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-rw-r--r--.gitignore3
-rw-r--r--.mailmap3
-rw-r--r--Documentation/PCI/pci-error-recovery.rst5
-rw-r--r--Documentation/RCU/rculist_nulls.txt2
-rw-r--r--Documentation/admin-guide/conf.py10
-rw-r--r--Documentation/admin-guide/hw-vuln/spectre.rst88
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt10
-rw-r--r--Documentation/admin-guide/mm/transhuge.rst2
-rw-r--r--Documentation/conf.py30
-rw-r--r--Documentation/core-api/conf.py10
-rw-r--r--Documentation/crypto/conf.py10
-rw-r--r--Documentation/dev-tools/conf.py10
-rw-r--r--Documentation/devicetree/bindings/Makefile4
-rw-r--r--Documentation/devicetree/bindings/arm/idle-states.txt2
-rw-r--r--Documentation/devicetree/bindings/arm/renesas.yaml2
-rw-r--r--Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml2
-rw-r--r--Documentation/devicetree/bindings/arm/ti/ti,davinci.yaml2
-rw-r--r--Documentation/devicetree/bindings/clock/allwinner,sun4i-a10-ccu.yaml2
-rw-r--r--Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml2
-rw-r--r--Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml2
-rw-r--r--Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml2
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt16
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml2
-rw-r--r--Documentation/devicetree/bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml (renamed from Documentation/devicetree/bindings/misc/intel,ixp4xx-queue-manager.yaml)2
-rw-r--r--Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml2
-rw-r--r--Documentation/devicetree/bindings/net/fsl-fec.txt30
-rw-r--r--Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml4
-rw-r--r--Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml45
-rw-r--r--Documentation/devicetree/bindings/nvmem/nvmem.txt81
-rw-r--r--Documentation/devicetree/bindings/nvmem/nvmem.yaml93
-rw-r--r--Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml2
-rw-r--r--Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml3
-rw-r--r--Documentation/devicetree/bindings/riscv/cpus.txt162
-rw-r--r--Documentation/devicetree/bindings/riscv/cpus.yaml16
-rw-r--r--Documentation/devicetree/bindings/riscv/sifive.yaml2
-rw-r--r--Documentation/devicetree/bindings/spi/spi-controller.yaml1
-rw-r--r--Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml2
-rw-r--r--Documentation/devicetree/bindings/usb/usb251xb.txt6
-rw-r--r--Documentation/doc-guide/conf.py10
-rw-r--r--Documentation/driver-api/80211/conf.py10
-rw-r--r--Documentation/driver-api/conf.py10
-rw-r--r--Documentation/driver-api/generic-counter.rst4
-rw-r--r--Documentation/driver-api/phy/phy.rst4
-rw-r--r--Documentation/driver-api/pm/conf.py10
-rw-r--r--Documentation/filesystems/cifs/TODO26
-rw-r--r--Documentation/filesystems/conf.py10
-rw-r--r--Documentation/gpu/conf.py10
-rw-r--r--Documentation/hwmon/k8temp.rst2
-rw-r--r--Documentation/index.rst3
-rw-r--r--Documentation/input/conf.py10
-rw-r--r--Documentation/kernel-hacking/conf.py10
-rw-r--r--Documentation/locking/spinlocks.rst4
-rw-r--r--Documentation/maintainer/conf.py10
-rw-r--r--Documentation/media/conf.py12
-rw-r--r--Documentation/memory-barriers.txt2
-rw-r--r--Documentation/networking/conf.py10
-rw-r--r--Documentation/networking/tls-offload.rst23
-rw-r--r--Documentation/power/index.rst2
-rw-r--r--Documentation/powerpc/bootwrapper.rst (renamed from Documentation/powerpc/bootwrapper.txt)28
-rw-r--r--Documentation/powerpc/cpu_families.rst (renamed from Documentation/powerpc/cpu_families.txt)23
-rw-r--r--Documentation/powerpc/cpu_features.rst (renamed from Documentation/powerpc/cpu_features.txt)6
-rw-r--r--Documentation/powerpc/cxl.rst (renamed from Documentation/powerpc/cxl.txt)46
-rw-r--r--Documentation/powerpc/cxlflash.rst (renamed from Documentation/powerpc/cxlflash.txt)10
-rw-r--r--Documentation/powerpc/dawr-power9.rst (renamed from Documentation/powerpc/DAWR-POWER9.txt)15
-rw-r--r--Documentation/powerpc/dscr.rst (renamed from Documentation/powerpc/dscr.txt)18
-rw-r--r--Documentation/powerpc/eeh-pci-error-recovery.rst (renamed from Documentation/powerpc/eeh-pci-error-recovery.txt)108
-rw-r--r--Documentation/powerpc/firmware-assisted-dump.rst (renamed from Documentation/powerpc/firmware-assisted-dump.txt)117
-rw-r--r--Documentation/powerpc/hvcs.rst (renamed from Documentation/powerpc/hvcs.txt)108
-rw-r--r--Documentation/powerpc/index.rst34
-rw-r--r--Documentation/powerpc/isa-versions.rst15
-rw-r--r--Documentation/powerpc/mpc52xx.rst (renamed from Documentation/powerpc/mpc52xx.txt)12
-rw-r--r--Documentation/powerpc/pci_iov_resource_on_powernv.rst (renamed from Documentation/powerpc/pci_iov_resource_on_powernv.txt)15
-rw-r--r--Documentation/powerpc/pmu-ebb.rst (renamed from Documentation/powerpc/pmu-ebb.txt)1
-rw-r--r--Documentation/powerpc/ptrace.rst156
-rw-r--r--Documentation/powerpc/ptrace.txt151
-rw-r--r--Documentation/powerpc/qe_firmware.rst (renamed from Documentation/powerpc/qe_firmware.txt)37
-rw-r--r--Documentation/powerpc/syscall64-abi.rst (renamed from Documentation/powerpc/syscall64-abi.txt)29
-rw-r--r--Documentation/powerpc/transactional_memory.rst (renamed from Documentation/powerpc/transactional_memory.txt)45
-rw-r--r--Documentation/process/conf.py10
-rw-r--r--Documentation/process/deprecated.rst14
-rw-r--r--Documentation/s390/vfio-ccw.rst31
-rw-r--r--Documentation/sh/conf.py10
-rw-r--r--Documentation/sound/conf.py10
-rw-r--r--Documentation/sphinx/load_config.py27
-rw-r--r--Documentation/translations/it_IT/doc-guide/sphinx.rst19
-rw-r--r--Documentation/translations/it_IT/process/index.rst1
-rw-r--r--Documentation/translations/it_IT/process/kernel-docs.rst11
-rw-r--r--Documentation/translations/it_IT/process/maintainer-pgp-guide.rst25
-rw-r--r--Documentation/translations/it_IT/process/programming-language.rst51
-rw-r--r--Documentation/translations/ko_KR/memory-barriers.txt2
-rw-r--r--Documentation/userspace-api/conf.py10
-rw-r--r--Documentation/virt/index.rst (renamed from Documentation/virtual/index.rst)0
-rw-r--r--Documentation/virt/kvm/amd-memory-encryption.rst (renamed from Documentation/virtual/kvm/amd-memory-encryption.rst)0
-rw-r--r--Documentation/virt/kvm/api.txt (renamed from Documentation/virtual/kvm/api.txt)2
-rw-r--r--Documentation/virt/kvm/arm/hyp-abi.txt (renamed from Documentation/virtual/kvm/arm/hyp-abi.txt)0
-rw-r--r--Documentation/virt/kvm/arm/psci.txt (renamed from Documentation/virtual/kvm/arm/psci.txt)0
-rw-r--r--Documentation/virt/kvm/cpuid.rst (renamed from Documentation/virtual/kvm/cpuid.rst)0
-rw-r--r--Documentation/virt/kvm/devices/README (renamed from Documentation/virtual/kvm/devices/README)0
-rw-r--r--Documentation/virt/kvm/devices/arm-vgic-its.txt (renamed from Documentation/virtual/kvm/devices/arm-vgic-its.txt)0
-rw-r--r--Documentation/virt/kvm/devices/arm-vgic-v3.txt (renamed from Documentation/virtual/kvm/devices/arm-vgic-v3.txt)0
-rw-r--r--Documentation/virt/kvm/devices/arm-vgic.txt (renamed from Documentation/virtual/kvm/devices/arm-vgic.txt)0
-rw-r--r--Documentation/virt/kvm/devices/mpic.txt (renamed from Documentation/virtual/kvm/devices/mpic.txt)0
-rw-r--r--Documentation/virt/kvm/devices/s390_flic.txt (renamed from Documentation/virtual/kvm/devices/s390_flic.txt)0
-rw-r--r--Documentation/virt/kvm/devices/vcpu.txt (renamed from Documentation/virtual/kvm/devices/vcpu.txt)0
-rw-r--r--Documentation/virt/kvm/devices/vfio.txt (renamed from Documentation/virtual/kvm/devices/vfio.txt)0
-rw-r--r--Documentation/virt/kvm/devices/vm.txt (renamed from Documentation/virtual/kvm/devices/vm.txt)0
-rw-r--r--Documentation/virt/kvm/devices/xics.txt (renamed from Documentation/virtual/kvm/devices/xics.txt)0
-rw-r--r--Documentation/virt/kvm/devices/xive.txt (renamed from Documentation/virtual/kvm/devices/xive.txt)0
-rw-r--r--Documentation/virt/kvm/halt-polling.txt (renamed from Documentation/virtual/kvm/halt-polling.txt)0
-rw-r--r--Documentation/virt/kvm/hypercalls.txt (renamed from Documentation/virtual/kvm/hypercalls.txt)4
-rw-r--r--Documentation/virt/kvm/index.rst (renamed from Documentation/virtual/kvm/index.rst)1
-rw-r--r--Documentation/virt/kvm/locking.txt (renamed from Documentation/virtual/kvm/locking.txt)0
-rw-r--r--Documentation/virt/kvm/mmu.txt (renamed from Documentation/virtual/kvm/mmu.txt)2
-rw-r--r--Documentation/virt/kvm/msr.txt (renamed from Documentation/virtual/kvm/msr.txt)0
-rw-r--r--Documentation/virt/kvm/nested-vmx.txt (renamed from Documentation/virtual/kvm/nested-vmx.txt)0
-rw-r--r--Documentation/virt/kvm/ppc-pv.txt (renamed from Documentation/virtual/kvm/ppc-pv.txt)0
-rw-r--r--Documentation/virt/kvm/review-checklist.txt (renamed from Documentation/virtual/kvm/review-checklist.txt)2
-rw-r--r--Documentation/virt/kvm/s390-diag.txt (renamed from Documentation/virtual/kvm/s390-diag.txt)0
-rw-r--r--Documentation/virt/kvm/timekeeping.txt (renamed from Documentation/virtual/kvm/timekeeping.txt)0
-rw-r--r--Documentation/virt/kvm/vcpu-requests.rst (renamed from Documentation/virtual/kvm/vcpu-requests.rst)0
-rw-r--r--Documentation/virt/paravirt_ops.rst (renamed from Documentation/virtual/paravirt_ops.rst)0
-rw-r--r--Documentation/virt/uml/UserModeLinux-HOWTO.txt (renamed from Documentation/virtual/uml/UserModeLinux-HOWTO.txt)0
-rw-r--r--Documentation/vm/conf.py10
-rw-r--r--Documentation/vm/hmm.rst2
-rw-r--r--Documentation/watchdog/hpwdt.rst2
-rw-r--r--Documentation/x86/conf.py10
-rw-r--r--MAINTAINERS83
-rw-r--r--Makefile28
-rw-r--r--arch/arm/Kconfig.debug5
-rw-r--r--arch/arm/boot/dts/bcm47094-linksys-panamera.dts3
-rw-r--r--arch/arm/boot/dts/imx6ul-14x14-evk.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6ul-geam.dts2
-rw-r--r--arch/arm/boot/dts/imx6ul-isiot.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6ul-pico-hobbit.dts2
-rw-r--r--arch/arm/boot/dts/imx6ul-pico-pi.dts4
-rw-r--r--arch/arm/boot/dts/imx7ulp.dtsi2
-rw-r--r--arch/arm/configs/u8500_defconfig34
-rw-r--r--arch/arm/include/asm/dma-mapping.h4
-rw-r--r--arch/arm/kernel/hw_breakpoint.c5
-rw-r--r--arch/arm/kernel/signal.c1
-rw-r--r--arch/arm/kvm/coproc.c23
-rw-r--r--arch/arm/mach-davinci/sleep.S1
-rw-r--r--arch/arm/mach-ep93xx/crunch.c1
-rw-r--r--arch/arm/mach-netx/Kconfig22
-rw-r--r--arch/arm/mach-netx/Makefile13
-rw-r--r--arch/arm/mach-netx/Makefile.boot3
-rw-r--r--arch/arm/mach-netx/fb.c65
-rw-r--r--arch/arm/mach-netx/fb.h12
-rw-r--r--arch/arm/mach-netx/generic.c182
-rw-r--r--arch/arm/mach-netx/generic.h14
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-rw-r--r--arch/arm/mach-netx/include/mach/irqs.h58
-rw-r--r--arch/arm/mach-netx/include/mach/netx-regs.h420
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-rw-r--r--arch/arm/mach-netx/include/mach/xc.h30
-rw-r--r--arch/arm/mach-netx/nxdb500.c197
-rw-r--r--arch/arm/mach-netx/nxdkn.c90
-rw-r--r--arch/arm/mach-netx/nxeb500hmi.c174
-rw-r--r--arch/arm/mach-netx/pfifo.c56
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-rw-r--r--arch/arm/mach-netx/xc.c246
-rw-r--r--arch/arm/mach-tegra/reset.c2
-rw-r--r--arch/arm/mm/Kconfig5
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-rw-r--r--arch/arm/mm/dma-mapping.c59
-rw-r--r--arch/arm/mm/init.c5
-rw-r--r--arch/arm/plat-omap/dma.c14
-rw-r--r--arch/arm64/Makefile2
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h4
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq.dtsi3
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-rw-r--r--arch/csky/include/uapi/asm/byteorder.h2
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-rw-r--r--sound/pci/hda/hda_controller.c13
-rw-r--r--sound/pci/hda/hda_controller.h2
-rw-r--r--sound/pci/hda/hda_generic.c21
-rw-r--r--sound/pci/hda/hda_generic.h1
-rw-r--r--sound/pci/hda/hda_intel.c71
-rw-r--r--sound/pci/hda/patch_conexant.c16
-rw-r--r--sound/pci/hda/patch_realtek.c12
-rw-r--r--sound/soc/amd/raven/acp3x-pcm-dma.c20
-rw-r--r--sound/soc/codecs/cs42xx8.c116
-rw-r--r--sound/soc/codecs/max98357a.c25
-rw-r--r--sound/soc/codecs/max98373.c6
-rw-r--r--sound/soc/codecs/max98373.h2
-rw-r--r--sound/soc/codecs/pcm3060-i2c.c4
-rw-r--r--sound/soc/codecs/pcm3060-spi.c4
-rw-r--r--sound/soc/codecs/pcm3060.c4
-rw-r--r--sound/soc/codecs/pcm3060.h2
-rw-r--r--sound/soc/codecs/rt1011.c4
-rw-r--r--[-rwxr-xr-x]sound/soc/codecs/rt1308.c0
-rw-r--r--[-rwxr-xr-x]sound/soc/codecs/rt1308.h0
-rw-r--r--sound/soc/generic/audio-graph-card.c30
-rw-r--r--sound/soc/generic/simple-card-utils.c7
-rw-r--r--sound/soc/generic/simple-card.c26
-rw-r--r--sound/soc/intel/boards/bytcht_es8316.c8
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-bxt-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-byt-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-cht-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-cnl-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-glk-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-hda-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-hsw-bdw-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-icl-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-kbl-match.c2
-rw-r--r--sound/soc/intel/common/soc-acpi-intel-skl-match.c2
-rw-r--r--sound/soc/qcom/apq8016_sbc.c16
-rw-r--r--sound/soc/rockchip/rockchip_i2s.c5
-rw-r--r--sound/soc/rockchip/rockchip_max98090.c32
-rw-r--r--sound/soc/samsung/odroid.c8
-rw-r--r--sound/soc/soc-core.c7
-rw-r--r--sound/soc/soc-dapm.c10
-rw-r--r--sound/soc/sof/intel/cnl.c4
-rw-r--r--sound/soc/sof/intel/hda-ipc.c4
-rw-r--r--sound/soc/sunxi/sun4i-i2s.c4
-rw-r--r--sound/soc/ti/davinci-mcasp.c46
-rw-r--r--sound/sound_core.c3
-rw-r--r--sound/usb/helper.c2
-rw-r--r--sound/usb/hiface/pcm.c11
-rw-r--r--sound/usb/line6/podhd.c2
-rw-r--r--sound/usb/line6/variax.c2
-rw-r--r--sound/usb/mixer.c37
-rw-r--r--sound/usb/stream.c1
-rw-r--r--tools/arch/arm/include/uapi/asm/kvm.h12
-rw-r--r--tools/arch/arm64/include/uapi/asm/kvm.h10
-rw-r--r--tools/arch/powerpc/include/uapi/asm/mman.h4
-rw-r--r--tools/arch/sparc/include/uapi/asm/mman.h4
-rw-r--r--tools/arch/x86/include/uapi/asm/kvm.h22
-rw-r--r--tools/arch/x86/include/uapi/asm/vmx.h1
-rwxr-xr-xtools/hv/hv_get_dhcp_info.sh2
-rw-r--r--tools/hv/hv_kvp_daemon.c8
-rwxr-xr-xtools/hv/hv_set_ifconfig.sh2
-rw-r--r--tools/hv/hv_vss_daemon.c4
-rw-r--r--tools/hv/lsvmbus75
-rw-r--r--tools/include/uapi/asm-generic/mman-common.h15
-rw-r--r--tools/include/uapi/asm-generic/mman.h10
-rw-r--r--tools/include/uapi/asm-generic/unistd.h8
-rw-r--r--tools/include/uapi/drm/drm.h1
-rw-r--r--tools/include/uapi/drm/i915_drm.h209
-rw-r--r--tools/include/uapi/linux/if_link.h5
-rw-r--r--tools/include/uapi/linux/kvm.h7
-rw-r--r--tools/include/uapi/linux/sched.h30
-rw-r--r--tools/include/uapi/linux/usbdevice_fs.h26
-rw-r--r--tools/lib/bpf/btf.c5
-rw-r--r--tools/lib/bpf/hashmap.h5
-rw-r--r--tools/lib/bpf/libbpf.c34
-rw-r--r--tools/lib/bpf/xsk.c11
-rw-r--r--tools/objtool/check.c7
-rw-r--r--tools/objtool/check.h3
-rw-r--r--tools/perf/Documentation/Makefile2
-rw-r--r--tools/perf/Documentation/perf-script.txt8
-rw-r--r--tools/perf/Documentation/perf.data-file-format.txt2
-rw-r--r--tools/perf/arch/s390/util/machine.c31
-rw-r--r--tools/perf/arch/x86/entry/syscalls/syscall_64.tbl2
-rw-r--r--tools/perf/bench/numa.c6
-rw-r--r--tools/perf/builtin-ftrace.c2
-rw-r--r--tools/perf/builtin-probe.c10
-rw-r--r--tools/perf/builtin-script.c2
-rw-r--r--tools/perf/builtin-stat.c9
-rw-r--r--tools/perf/pmu-events/jevents.c1
-rwxr-xr-xtools/perf/trace/beauty/usbdevfs_ioctl.sh9
-rw-r--r--tools/perf/ui/browser.c9
-rw-r--r--tools/perf/ui/tui/progress.c2
-rw-r--r--tools/perf/util/annotate.c2
-rw-r--r--tools/perf/util/cpumap.c5
-rw-r--r--tools/perf/util/evsel.c2
-rw-r--r--tools/perf/util/header.c11
-rw-r--r--tools/perf/util/machine.c3
-rw-r--r--tools/perf/util/machine.h2
-rw-r--r--tools/perf/util/probe-event.c1
-rw-r--r--tools/perf/util/session.c22
-rw-r--r--tools/perf/util/session.h1
-rw-r--r--tools/perf/util/stat-shadow.c3
-rw-r--r--tools/perf/util/symbol.c7
-rw-r--r--tools/perf/util/symbol.h1
-rw-r--r--tools/perf/util/thread.c12
-rw-r--r--tools/perf/util/zstd.c4
-rw-r--r--tools/scripts/Makefile.include9
-rwxr-xr-xtools/testing/ktest/config-bisect.pl4
-rw-r--r--tools/testing/selftests/bpf/Makefile3
-rw-r--r--tools/testing/selftests/bpf/progs/sendmsg6_prog.c3
-rwxr-xr-xtools/testing/selftests/bpf/test_xdp_vlan.sh57
-rwxr-xr-xtools/testing/selftests/bpf/test_xdp_vlan_mode_generic.sh9
-rwxr-xr-xtools/testing/selftests/bpf/test_xdp_vlan_mode_native.sh9
-rw-r--r--tools/testing/selftests/bpf/verifier/ctx_skb.c11
-rw-r--r--tools/testing/selftests/cgroup/cgroup_util.c3
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh4
-rwxr-xr-xtools/testing/selftests/kmod/kmod.sh6
-rw-r--r--tools/testing/selftests/kselftest.h15
-rw-r--r--tools/testing/selftests/kvm/.gitignore3
-rw-r--r--tools/testing/selftests/kvm/config3
-rw-r--r--tools/testing/selftests/livepatch/functions.sh46
-rw-r--r--tools/testing/selftests/net/.gitignore4
-rwxr-xr-xtools/testing/selftests/net/forwarding/gre_multipath.sh28
-rw-r--r--tools/testing/selftests/net/tls.c223
-rw-r--r--tools/testing/selftests/pidfd/pidfd_test.c6
-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/actions/vlan.json94
-rw-r--r--tools/testing/selftests/x86/test_vsyscall.c2
-rw-r--r--usr/include/Makefile4
-rw-r--r--virt/kvm/arm/arm.c20
-rw-r--r--virt/kvm/arm/hyp/vgic-v3-sr.c8
-rw-r--r--virt/kvm/arm/pmu.c18
-rw-r--r--virt/kvm/arm/vgic/vgic-mmio-v3.c2
-rw-r--r--virt/kvm/arm/vgic/vgic-mmio.c16
-rw-r--r--virt/kvm/arm/vgic/vgic-v2.c9
-rw-r--r--virt/kvm/arm/vgic/vgic-v3.c7
-rw-r--r--virt/kvm/arm/vgic/vgic.c11
-rw-r--r--virt/kvm/arm/vgic/vgic.h6
-rw-r--r--virt/kvm/kvm_main.c61
1452 files changed, 13652 insertions, 10263 deletions
diff --git a/.gitignore b/.gitignore
index 8f5422cba6e2..2030c7a4d2f8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -142,3 +142,6 @@ x509.genkey
# Kdevelop4
*.kdev4
+
+# Clang's compilation database file
+/compile_commands.json
diff --git a/.mailmap b/.mailmap
index 0fef932de3db..acba1a6163f1 100644
--- a/.mailmap
+++ b/.mailmap
@@ -98,6 +98,7 @@ Jason Gunthorpe <jgg@ziepe.ca> <jgunthorpe@obsidianresearch.com>
Javi Merino <javi.merino@kernel.org> <javi.merino@arm.com>
<javier@osg.samsung.com> <javier.martinez@collabora.co.uk>
Jean Tourrilhes <jt@hpl.hp.com>
+<jean-philippe@linaro.org> <jean-philippe.brucker@arm.com>
Jeff Garzik <jgarzik@pretzel.yyz.us>
Jeff Layton <jlayton@kernel.org> <jlayton@redhat.com>
Jeff Layton <jlayton@kernel.org> <jlayton@poochiereds.net>
@@ -116,6 +117,7 @@ John Stultz <johnstul@us.ibm.com>
Juha Yrjola <at solidboot.com>
Juha Yrjola <juha.yrjola@nokia.com>
Juha Yrjola <juha.yrjola@solidboot.com>
+Julien Thierry <julien.thierry.kdev@gmail.com> <julien.thierry@arm.com>
Kay Sievers <kay.sievers@vrfy.org>
Kenneth W Chen <kenneth.w.chen@intel.com>
Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com>
@@ -132,6 +134,7 @@ Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch>
Li Yang <leoyang.li@nxp.com> <leo@zh-kernel.org>
Li Yang <leoyang.li@nxp.com> <leoli@freescale.com>
Maciej W. Rozycki <macro@mips.com> <macro@imgtec.com>
+Marc Zyngier <maz@kernel.org> <marc.zyngier@arm.com>
Marcin Nowakowski <marcin.nowakowski@mips.com> <marcin.nowakowski@imgtec.com>
Mark Brown <broonie@sirena.org.uk>
Mark Yao <markyao0591@gmail.com> <mark.yao@rock-chips.com>
diff --git a/Documentation/PCI/pci-error-recovery.rst b/Documentation/PCI/pci-error-recovery.rst
index 83db42092935..e5d450df06b4 100644
--- a/Documentation/PCI/pci-error-recovery.rst
+++ b/Documentation/PCI/pci-error-recovery.rst
@@ -403,7 +403,7 @@ That is, the recovery API only requires that:
.. note::
Implementation details for the powerpc platform are discussed in
- the file Documentation/powerpc/eeh-pci-error-recovery.txt
+ the file Documentation/powerpc/eeh-pci-error-recovery.rst
As of this writing, there is a growing list of device drivers with
patches implementing error recovery. Not all of these patches are in
@@ -422,3 +422,6 @@ That is, the recovery API only requires that:
- drivers/net/cxgb3
- drivers/net/s2io.c
- drivers/net/qlge
+
+The End
+-------
diff --git a/Documentation/RCU/rculist_nulls.txt b/Documentation/RCU/rculist_nulls.txt
index 8151f0195f76..23f115dc87cf 100644
--- a/Documentation/RCU/rculist_nulls.txt
+++ b/Documentation/RCU/rculist_nulls.txt
@@ -1,7 +1,7 @@
Using hlist_nulls to protect read-mostly linked lists and
objects using SLAB_TYPESAFE_BY_RCU allocations.
-Please read the basics in Documentation/RCU/listRCU.txt
+Please read the basics in Documentation/RCU/listRCU.rst
Using special makers (called 'nulls') is a convenient way
to solve following problem :
diff --git a/Documentation/admin-guide/conf.py b/Documentation/admin-guide/conf.py
deleted file mode 100644
index 86f738953799..000000000000
--- a/Documentation/admin-guide/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = 'Linux Kernel User Documentation'
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'linux-user.tex', 'Linux Kernel User Documentation',
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/admin-guide/hw-vuln/spectre.rst b/Documentation/admin-guide/hw-vuln/spectre.rst
index 25f3b2532198..e05e581af5cf 100644
--- a/Documentation/admin-guide/hw-vuln/spectre.rst
+++ b/Documentation/admin-guide/hw-vuln/spectre.rst
@@ -41,10 +41,11 @@ Related CVEs
The following CVE entries describe Spectre variants:
- ============= ======================= =================
+ ============= ======================= ==========================
CVE-2017-5753 Bounds check bypass Spectre variant 1
CVE-2017-5715 Branch target injection Spectre variant 2
- ============= ======================= =================
+ CVE-2019-1125 Spectre v1 swapgs Spectre variant 1 (swapgs)
+ ============= ======================= ==========================
Problem
-------
@@ -78,6 +79,13 @@ There are some extensions of Spectre variant 1 attacks for reading data
over the network, see :ref:`[12] <spec_ref12>`. However such attacks
are difficult, low bandwidth, fragile, and are considered low risk.
+Note that, despite "Bounds Check Bypass" name, Spectre variant 1 is not
+only about user-controlled array bounds checks. It can affect any
+conditional checks. The kernel entry code interrupt, exception, and NMI
+handlers all have conditional swapgs checks. Those may be problematic
+in the context of Spectre v1, as kernel code can speculatively run with
+a user GS.
+
Spectre variant 2 (Branch Target Injection)
-------------------------------------------
@@ -132,6 +140,9 @@ not cover all possible attack vectors.
1. A user process attacking the kernel
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+Spectre variant 1
+~~~~~~~~~~~~~~~~~
+
The attacker passes a parameter to the kernel via a register or
via a known address in memory during a syscall. Such parameter may
be used later by the kernel as an index to an array or to derive
@@ -144,7 +155,40 @@ not cover all possible attack vectors.
potentially be influenced for Spectre attacks, new "nospec" accessor
macros are used to prevent speculative loading of data.
- Spectre variant 2 attacker can :ref:`poison <poison_btb>` the branch
+Spectre variant 1 (swapgs)
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+ An attacker can train the branch predictor to speculatively skip the
+ swapgs path for an interrupt or exception. If they initialize
+ the GS register to a user-space value, if the swapgs is speculatively
+ skipped, subsequent GS-related percpu accesses in the speculation
+ window will be done with the attacker-controlled GS value. This
+ could cause privileged memory to be accessed and leaked.
+
+ For example:
+
+ ::
+
+ if (coming from user space)
+ swapgs
+ mov %gs:<percpu_offset>, %reg
+ mov (%reg), %reg1
+
+ When coming from user space, the CPU can speculatively skip the
+ swapgs, and then do a speculative percpu load using the user GS
+ value. So the user can speculatively force a read of any kernel
+ value. If a gadget exists which uses the percpu value as an address
+ in another load/store, then the contents of the kernel value may
+ become visible via an L1 side channel attack.
+
+ A similar attack exists when coming from kernel space. The CPU can
+ speculatively do the swapgs, causing the user GS to get used for the
+ rest of the speculative window.
+
+Spectre variant 2
+~~~~~~~~~~~~~~~~~
+
+ A spectre variant 2 attacker can :ref:`poison <poison_btb>` the branch
target buffer (BTB) before issuing syscall to launch an attack.
After entering the kernel, the kernel could use the poisoned branch
target buffer on indirect jump and jump to gadget code in speculative
@@ -280,11 +324,18 @@ The sysfs file showing Spectre variant 1 mitigation status is:
The possible values in this file are:
- ======================================= =================================
- 'Mitigation: __user pointer sanitation' Protection in kernel on a case by
- case base with explicit pointer
- sanitation.
- ======================================= =================================
+ .. list-table::
+
+ * - 'Not affected'
+ - The processor is not vulnerable.
+ * - 'Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers'
+ - The swapgs protections are disabled; otherwise it has
+ protection in the kernel on a case by case base with explicit
+ pointer sanitation and usercopy LFENCE barriers.
+ * - 'Mitigation: usercopy/swapgs barriers and __user pointer sanitization'
+ - Protection in the kernel on a case by case base with explicit
+ pointer sanitation, usercopy LFENCE barriers, and swapgs LFENCE
+ barriers.
However, the protections are put in place on a case by case basis,
and there is no guarantee that all possible attack vectors for Spectre
@@ -366,12 +417,27 @@ Turning on mitigation for Spectre variant 1 and Spectre variant 2
1. Kernel mitigation
^^^^^^^^^^^^^^^^^^^^
+Spectre variant 1
+~~~~~~~~~~~~~~~~~
+
For the Spectre variant 1, vulnerable kernel code (as determined
by code audit or scanning tools) is annotated on a case by case
basis to use nospec accessor macros for bounds clipping :ref:`[2]
<spec_ref2>` to avoid any usable disclosure gadgets. However, it may
not cover all attack vectors for Spectre variant 1.
+ Copy-from-user code has an LFENCE barrier to prevent the access_ok()
+ check from being mis-speculated. The barrier is done by the
+ barrier_nospec() macro.
+
+ For the swapgs variant of Spectre variant 1, LFENCE barriers are
+ added to interrupt, exception and NMI entry where needed. These
+ barriers are done by the FENCE_SWAPGS_KERNEL_ENTRY and
+ FENCE_SWAPGS_USER_ENTRY macros.
+
+Spectre variant 2
+~~~~~~~~~~~~~~~~~
+
For Spectre variant 2 mitigation, the compiler turns indirect calls or
jumps in the kernel into equivalent return trampolines (retpolines)
:ref:`[3] <spec_ref3>` :ref:`[9] <spec_ref9>` to go to the target
@@ -473,6 +539,12 @@ Mitigation control on the kernel command line
Spectre variant 2 mitigation can be disabled or force enabled at the
kernel command line.
+ nospectre_v1
+
+ [X86,PPC] Disable mitigations for Spectre Variant 1
+ (bounds check bypass). With this option data leaks are
+ possible in the system.
+
nospectre_v2
[X86] Disable all mitigations for the Spectre variant 2
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 46b826fcb5ad..47d981a86e2f 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2545,7 +2545,7 @@
mem_encrypt=on: Activate SME
mem_encrypt=off: Do not activate SME
- Refer to Documentation/virtual/kvm/amd-memory-encryption.rst
+ Refer to Documentation/virt/kvm/amd-memory-encryption.rst
for details on when memory encryption can be activated.
mem_sleep_default= [SUSPEND] Default system suspend mode:
@@ -2604,7 +2604,7 @@
expose users to several CPU vulnerabilities.
Equivalent to: nopti [X86,PPC]
kpti=0 [ARM64]
- nospectre_v1 [PPC]
+ nospectre_v1 [X86,PPC]
nobp=0 [S390]
nospectre_v2 [X86,PPC,S390,ARM64]
spectre_v2_user=off [X86]
@@ -2965,9 +2965,9 @@
nosmt=force: Force disable SMT, cannot be undone
via the sysfs control file.
- nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
- check bypass). With this option data leaks are possible
- in the system.
+ nospectre_v1 [X86,PPC] Disable mitigations for Spectre Variant 1
+ (bounds check bypass). With this option data leaks are
+ possible in the system.
nospectre_v2 [X86,PPC_FSL_BOOK3E,ARM64] Disable all mitigations for
the Spectre variant 2 (indirect branch prediction)
diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst
index 7ab93a8404b9..bd5714547cee 100644
--- a/Documentation/admin-guide/mm/transhuge.rst
+++ b/Documentation/admin-guide/mm/transhuge.rst
@@ -53,7 +53,7 @@ disabled, there is ``khugepaged`` daemon that scans memory and
collapses sequences of basic pages into huge pages.
The THP behaviour is controlled via :ref:`sysfs <thp_sysfs>`
-interface and using madivse(2) and prctl(2) system calls.
+interface and using madvise(2) and prctl(2) system calls.
Transparent Hugepage Support maximizes the usefulness of free memory
if compared to the reservation approach of hugetlbfs by allowing all
diff --git a/Documentation/conf.py b/Documentation/conf.py
index 3b2397bcb565..a8fe845832bc 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -16,6 +16,8 @@ import sys
import os
import sphinx
+from subprocess import check_output
+
# Get Sphinx version
major, minor, patch = sphinx.version_info[:3]
@@ -276,10 +278,21 @@ latex_elements = {
\\setsansfont{DejaVu Sans}
\\setromanfont{DejaVu Serif}
\\setmonofont{DejaVu Sans Mono}
-
'''
}
+# At least one book (translations) may have Asian characters
+# with are only displayed if xeCJK is used
+
+cjk_cmd = check_output(['fc-list', '--format="%{family[0]}\n"']).decode('utf-8', 'ignore')
+if cjk_cmd.find("Noto Sans CJK SC") >= 0:
+ print ("enabling CJK for LaTeX builder")
+ latex_elements['preamble'] += '''
+ % This is needed for translations
+ \\usepackage{xeCJK}
+ \\setCJKmainfont{Noto Sans CJK SC}
+ '''
+
# Fix reference escape troubles with Sphinx 1.4.x
if major == 1 and minor > 3:
latex_elements['preamble'] += '\\renewcommand*{\\DUrole}[2]{ #2 }\n'
@@ -410,6 +423,21 @@ latex_documents = [
'The kernel development community', 'manual'),
]
+# Add all other index files from Documentation/ subdirectories
+for fn in os.listdir('.'):
+ doc = os.path.join(fn, "index")
+ if os.path.exists(doc + ".rst"):
+ has = False
+ for l in latex_documents:
+ if l[0] == doc:
+ has = True
+ break
+ if not has:
+ latex_documents.append((doc, fn + '.tex',
+ 'Linux %s Documentation' % fn.capitalize(),
+ 'The kernel development community',
+ 'manual'))
+
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#latex_logo = None
diff --git a/Documentation/core-api/conf.py b/Documentation/core-api/conf.py
deleted file mode 100644
index db1f7659f3da..000000000000
--- a/Documentation/core-api/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Core-API Documentation"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'core-api.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/crypto/conf.py b/Documentation/crypto/conf.py
deleted file mode 100644
index 4335d251ddf3..000000000000
--- a/Documentation/crypto/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = 'Linux Kernel Crypto API'
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'crypto-api.tex', 'Linux Kernel Crypto API manual',
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/dev-tools/conf.py b/Documentation/dev-tools/conf.py
deleted file mode 100644
index 7faafa3f7888..000000000000
--- a/Documentation/dev-tools/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Development tools for the kernel"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'dev-tools.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index 6b0dfd5c17ba..5138a2f6232a 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -19,7 +19,9 @@ quiet_cmd_mk_schema = SCHEMA $@
DT_DOCS = $(shell \
cd $(srctree)/$(src) && \
- find * \( -name '*.yaml' ! -name $(DT_TMP_SCHEMA) \) \
+ find * \( -name '*.yaml' ! \
+ -name $(DT_TMP_SCHEMA) ! \
+ -name '*.example.dt.yaml' \) \
)
DT_SCHEMA_FILES ?= $(addprefix $(src)/,$(DT_DOCS))
diff --git a/Documentation/devicetree/bindings/arm/idle-states.txt b/Documentation/devicetree/bindings/arm/idle-states.txt
index 326f29b270ad..2d325bed37e5 100644
--- a/Documentation/devicetree/bindings/arm/idle-states.txt
+++ b/Documentation/devicetree/bindings/arm/idle-states.txt
@@ -703,4 +703,4 @@ cpus {
https://www.devicetree.org/specifications/
[6] ARM Linux Kernel documentation - Booting AArch64 Linux
- Documentation/arm64/booting.txt
+ Documentation/arm64/booting.rst
diff --git a/Documentation/devicetree/bindings/arm/renesas.yaml b/Documentation/devicetree/bindings/arm/renesas.yaml
index 08c923f8c257..28eb458f761a 100644
--- a/Documentation/devicetree/bindings/arm/renesas.yaml
+++ b/Documentation/devicetree/bindings/arm/renesas.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/arm/shmobile.yaml#
+$id: http://devicetree.org/schemas/arm/renesas.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Renesas SH-Mobile, R-Mobile, and R-Car Platform Device Tree Bindings
diff --git a/Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml b/Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml
index aae53fc3cb1e..2bd519d2e855 100644
--- a/Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml
+++ b/Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/arm/milbeaut.yaml#
+$id: http://devicetree.org/schemas/arm/socionext/milbeaut.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Milbeaut platforms device tree bindings
diff --git a/Documentation/devicetree/bindings/arm/ti/ti,davinci.yaml b/Documentation/devicetree/bindings/arm/ti/ti,davinci.yaml
index 4326d2cfa15d..a8765ba29476 100644
--- a/Documentation/devicetree/bindings/arm/ti/ti,davinci.yaml
+++ b/Documentation/devicetree/bindings/arm/ti/ti,davinci.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/arm/ti/davinci.yaml#
+$id: http://devicetree.org/schemas/arm/ti/ti,davinci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Texas Instruments DaVinci Platforms Device Tree Bindings
diff --git a/Documentation/devicetree/bindings/clock/allwinner,sun4i-a10-ccu.yaml b/Documentation/devicetree/bindings/clock/allwinner,sun4i-a10-ccu.yaml
index c935405458fe..fa4d143a73de 100644
--- a/Documentation/devicetree/bindings/clock/allwinner,sun4i-a10-ccu.yaml
+++ b/Documentation/devicetree/bindings/clock/allwinner,sun4i-a10-ccu.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/phy/allwinner,sun4i-a10-ccu.yaml#
+$id: http://devicetree.org/schemas/clock/allwinner,sun4i-a10-ccu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner Clock Control Unit Device Tree Bindings
diff --git a/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
index 8cb136c376fb..4f0db8ee226a 100644
--- a/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
+++ b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
@@ -2,7 +2,7 @@
# Copyright 2019 Linaro Ltd.
%YAML 1.2
---
-$id: "http://devicetree.org/schemas/firmware/intel-ixp4xx-network-processing-engine.yaml#"
+$id: "http://devicetree.org/schemas/firmware/intel,ixp4xx-network-processing-engine.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Intel IXP4xx Network Processing Engine
diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
index 7ba167e2e1ea..c602b6fe1c0c 100644
--- a/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
+++ b/Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/iio/accelerometers/adi,adxl345.yaml#
+$id: http://devicetree.org/schemas/iio/accel/adi,adxl345.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices ADXL345/ADXL375 3-Axis Digital Accelerometers
diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml
index a7fafb9bf5c6..e7daffec88d3 100644
--- a/Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml
+++ b/Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/iio/accelerometers/adi,adxl372.yaml#
+$id: http://devicetree.org/schemas/iio/accel/adi,adxl372.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Analog Devices ADXL372 3-Axis, +/-(200g) Digital Accelerometer
diff --git a/Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt b/Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt
index 4e82fd575cec..c676b03c752e 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt
@@ -5,21 +5,19 @@ Required properties:
- compatible: should be "amazon,al-fic"
- reg: physical base address and size of the registers
- interrupt-controller: identifies the node as an interrupt controller
-- #interrupt-cells: must be 2.
- First cell defines the index of the interrupt within the controller.
- Second cell is used to specify the trigger type and must be one of the
- following:
- - bits[3:0] trigger type and level flags
- 1 = low-to-high edge triggered
- 4 = active high level-sensitive
-- interrupt-parent: specifies the parent interrupt controller.
+- #interrupt-cells : must be 2. Specifies the number of cells needed to encode
+ an interrupt source. Supported trigger types are low-to-high edge
+ triggered and active high level-sensitive.
- interrupts: describes which input line in the interrupt parent, this
fic's output is connected to. This field property depends on the parent's
binding
+Please refer to interrupts.txt in this directory for details of the common
+Interrupt Controllers bindings used by client devices.
+
Example:
-amazon_fic: interrupt-controller@0xfd8a8500 {
+amazon_fic: interrupt-controller@fd8a8500 {
compatible = "amazon,al-fic";
interrupt-controller;
#interrupt-cells = <2>;
diff --git a/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml b/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
index bae10e261fa9..507c141ea760 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
@@ -2,7 +2,7 @@
# Copyright 2018 Linaro Ltd.
%YAML 1.2
---
-$id: "http://devicetree.org/schemas/interrupt/intel-ixp4xx-interrupt.yaml#"
+$id: "http://devicetree.org/schemas/interrupt-controller/intel,ixp4xx-interrupt.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Intel IXP4xx XScale Networking Processors Interrupt Controller
diff --git a/Documentation/devicetree/bindings/misc/intel,ixp4xx-queue-manager.yaml b/Documentation/devicetree/bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml
index d2313b1d9405..0ea21a6f70b4 100644
--- a/Documentation/devicetree/bindings/misc/intel,ixp4xx-queue-manager.yaml
+++ b/Documentation/devicetree/bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml
@@ -2,7 +2,7 @@
# Copyright 2019 Linaro Ltd.
%YAML 1.2
---
-$id: "http://devicetree.org/schemas/misc/intel-ixp4xx-ahb-queue-manager.yaml#"
+$id: "http://devicetree.org/schemas/misc/intel,ixp4xx-ahb-queue-manager.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Intel IXP4xx AHB Queue Manager
diff --git a/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml b/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml
index d4084c149768..3fb0714e761e 100644
--- a/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml
+++ b/Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/net/allwinner,sun8i-a83t-gmac.yaml#
+$id: http://devicetree.org/schemas/net/allwinner,sun8i-a83t-emac.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A83t EMAC Device Tree Bindings
diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index 2d41fb96ce0a..5b88fae0307d 100644
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -7,18 +7,6 @@ Required properties:
- phy-mode : See ethernet.txt file in the same directory
Optional properties:
-- phy-reset-gpios : Should specify the gpio for phy reset
-- phy-reset-duration : Reset duration in milliseconds. Should present
- only if property "phy-reset-gpios" is available. Missing the property
- will have the duration be 1 millisecond. Numbers greater than 1000 are
- invalid and 1 millisecond will be used instead.
-- phy-reset-active-high : If present then the reset sequence using the GPIO
- specified in the "phy-reset-gpios" property is reversed (H=reset state,
- L=operation state).
-- phy-reset-post-delay : Post reset delay in milliseconds. If present then
- a delay of phy-reset-post-delay milliseconds will be observed after the
- phy-reset-gpios has been toggled. Can be omitted thus no delay is
- observed. Delay is in range of 1ms to 1000ms. Other delays are invalid.
- phy-supply : regulator that powers the Ethernet PHY.
- phy-handle : phandle to the PHY device connected to this device.
- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
@@ -47,11 +35,27 @@ Optional properties:
For imx6sx, "int0" handles all 3 queues and ENET_MII. "pps" is for the pulse
per second interrupt associated with 1588 precision time protocol(PTP).
-
Optional subnodes:
- mdio : specifies the mdio bus in the FEC, used as a container for phy nodes
according to phy.txt in the same directory
+Deprecated optional properties:
+ To avoid these, create a phy node according to phy.txt in the same
+ directory, and point the fec's "phy-handle" property to it. Then use
+ the phy's reset binding, again described by phy.txt.
+- phy-reset-gpios : Should specify the gpio for phy reset
+- phy-reset-duration : Reset duration in milliseconds. Should present
+ only if property "phy-reset-gpios" is available. Missing the property
+ will have the duration be 1 millisecond. Numbers greater than 1000 are
+ invalid and 1 millisecond will be used instead.
+- phy-reset-active-high : If present then the reset sequence using the GPIO
+ specified in the "phy-reset-gpios" property is reversed (H=reset state,
+ L=operation state).
+- phy-reset-post-delay : Post reset delay in milliseconds. If present then
+ a delay of phy-reset-post-delay milliseconds will be observed after the
+ phy-reset-gpios has been toggled. Can be omitted thus no delay is
+ observed. Delay is in range of 1ms to 1000ms. Other delays are invalid.
+
Example:
ethernet@83fec000 {
diff --git a/Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml b/Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml
index c9efd6e2c134..1084e9d2917d 100644
--- a/Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml
+++ b/Documentation/devicetree/bindings/nvmem/allwinner,sun4i-a10-sid.yaml
@@ -37,13 +37,13 @@ required:
examples:
- |
- sid@1c23800 {
+ efuse@1c23800 {
compatible = "allwinner,sun4i-a10-sid";
reg = <0x01c23800 0x10>;
};
- |
- sid@1c23800 {
+ efuse@1c23800 {
compatible = "allwinner,sun7i-a20-sid";
reg = <0x01c23800 0x200>;
};
diff --git a/Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml b/Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml
new file mode 100644
index 000000000000..b7c00ed31085
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/nvmem-consumer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVMEM (Non Volatile Memory) Consumer Device Tree Bindings
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+select: true
+
+properties:
+ nvmem:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description:
+ List of phandle to the nvmem providers.
+
+ nvmem-cells:
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ description:
+ List of phandle to the nvmem data cells.
+
+ nvmem-names:
+ $ref: /schemas/types.yaml#/definitions/string-array
+ description:
+ Names for the each nvmem provider.
+
+ nvmem-cell-names:
+ $ref: /schemas/types.yaml#/definitions/string-array
+ description:
+ Names for each nvmem-cells specified.
+
+dependencies:
+ nvmem-names: [ nvmem ]
+ nvmem-cell-names: [ nvmem-cells ]
+
+examples:
+ - |
+ tsens {
+ /* ... */
+ nvmem-cells = <&tsens_calibration>;
+ nvmem-cell-names = "calibration";
+ };
diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.txt b/Documentation/devicetree/bindings/nvmem/nvmem.txt
index fd06c09b822b..46a7ef485e24 100644
--- a/Documentation/devicetree/bindings/nvmem/nvmem.txt
+++ b/Documentation/devicetree/bindings/nvmem/nvmem.txt
@@ -1,80 +1 @@
-= NVMEM(Non Volatile Memory) Data Device Tree Bindings =
-
-This binding is intended to represent the location of hardware
-configuration data stored in NVMEMs like eeprom, efuses and so on.
-
-On a significant proportion of boards, the manufacturer has stored
-some data on NVMEM, for the OS to be able to retrieve these information
-and act upon it. Obviously, the OS has to know about where to retrieve
-these data from, and where they are stored on the storage device.
-
-This document is here to document this.
-
-= Data providers =
-Contains bindings specific to provider drivers and data cells as children
-of this node.
-
-Optional properties:
- read-only: Mark the provider as read only.
-
-= Data cells =
-These are the child nodes of the provider which contain data cell
-information like offset and size in nvmem provider.
-
-Required properties:
-reg: specifies the offset in byte within the storage device.
-
-Optional properties:
-
-bits: Is pair of bit location and number of bits, which specifies offset
- in bit and number of bits within the address range specified by reg property.
- Offset takes values from 0-7.
-
-For example:
-
- /* Provider */
- qfprom: qfprom@700000 {
- ...
-
- /* Data cells */
- tsens_calibration: calib@404 {
- reg = <0x404 0x10>;
- };
-
- tsens_calibration_bckp: calib_bckp@504 {
- reg = <0x504 0x11>;
- bits = <6 128>
- };
-
- pvs_version: pvs-version@6 {
- reg = <0x6 0x2>
- bits = <7 2>
- };
-
- speed_bin: speed-bin@c{
- reg = <0xc 0x1>;
- bits = <2 3>;
-
- };
- ...
- };
-
-= Data consumers =
-Are device nodes which consume nvmem data cells/providers.
-
-Required-properties:
-nvmem-cells: list of phandle to the nvmem data cells.
-nvmem-cell-names: names for the each nvmem-cells specified. Required if
- nvmem-cells is used.
-
-Optional-properties:
-nvmem : list of phandles to nvmem providers.
-nvmem-names: names for the each nvmem provider. required if nvmem is used.
-
-For example:
-
- tsens {
- ...
- nvmem-cells = <&tsens_calibration>;
- nvmem-cell-names = "calibration";
- };
+This file has been moved to nvmem.yaml and nvmem-consumer.yaml.
diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.yaml b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
new file mode 100644
index 000000000000..1c75a059206c
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
@@ -0,0 +1,93 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/nvmem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVMEM (Non Volatile Memory) Device Tree Bindings
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description: |
+ This binding is intended to represent the location of hardware
+ configuration data stored in NVMEMs like eeprom, efuses and so on.
+
+ On a significant proportion of boards, the manufacturer has stored
+ some data on NVMEM, for the OS to be able to retrieve these
+ information and act upon it. Obviously, the OS has to know about
+ where to retrieve these data from, and where they are stored on the
+ storage device.
+
+properties:
+ $nodename:
+ pattern: "^(eeprom|efuse|nvram)(@.*|-[0-9a-f])*$"
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 1
+
+ read-only:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ Mark the provider as read only.
+
+patternProperties:
+ "^.*@[0-9a-f]+$":
+ type: object
+
+ properties:
+ reg:
+ maxItems: 1
+ description:
+ Offset and size in bytes within the storage device.
+
+ bits:
+ maxItems: 1
+ items:
+ items:
+ - minimum: 0
+ maximum: 7
+ description:
+ Offset in bit within the address range specified by reg.
+ - minimum: 1
+ description:
+ Size in bit within the address range specified by reg.
+
+ required:
+ - reg
+
+ additionalProperties: false
+
+examples:
+ - |
+ qfprom: eeprom@700000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /* ... */
+
+ /* Data cells */
+ tsens_calibration: calib@404 {
+ reg = <0x404 0x10>;
+ };
+
+ tsens_calibration_bckp: calib_bckp@504 {
+ reg = <0x504 0x11>;
+ bits = <6 128>;
+ };
+
+ pvs_version: pvs-version@6 {
+ reg = <0x6 0x2>;
+ bits = <7 2>;
+ };
+
+ speed_bin: speed-bin@c{
+ reg = <0xc 0x1>;
+ bits = <2 3>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
index 250f9d5aabdf..fa46670de299 100644
--- a/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
+++ b/Documentation/devicetree/bindings/phy/allwinner,sun6i-a31-mipi-dphy.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
-$id: http://devicetree.org/schemas/display/allwinner,sun6i-a31-mipi-dphy.yaml#
+$id: http://devicetree.org/schemas/phy/allwinner,sun6i-a31-mipi-dphy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Allwinner A31 MIPI D-PHY Controller Device Tree Bindings
diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
index 91d3e78b3395..400df2da018a 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
@@ -37,7 +37,8 @@ properties:
hwlocks: true
st,syscfg:
- $ref: "/schemas/types.yaml#/definitions/phandle-array"
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/phandle-array"
description: Should be phandle/offset/mask
items:
- description: Phandle to the syscon node which includes IRQ mux selection.
diff --git a/Documentation/devicetree/bindings/riscv/cpus.txt b/Documentation/devicetree/bindings/riscv/cpus.txt
deleted file mode 100644
index adf7b7af5dc3..000000000000
--- a/Documentation/devicetree/bindings/riscv/cpus.txt
+++ /dev/null
@@ -1,162 +0,0 @@
-===================
-RISC-V CPU Bindings
-===================
-
-The device tree allows to describe the layout of CPUs in a system through
-the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
-defining properties for every cpu.
-
-Bindings for CPU nodes follow the Devicetree Specification, available from:
-
-https://www.devicetree.org/specifications/
-
-with updates for 32-bit and 64-bit RISC-V systems provided in this document.
-
-===========
-Terminology
-===========
-
-This document uses some terminology common to the RISC-V community that is not
-widely used, the definitions of which are listed here:
-
-* hart: A hardware execution context, which contains all the state mandated by
- the RISC-V ISA: a PC and some registers. This terminology is designed to
- disambiguate software's view of execution contexts from any particular
- microarchitectural implementation strategy. For example, my Intel laptop is
- described as having one socket with two cores, each of which has two hyper
- threads. Therefore this system has four harts.
-
-=====================================
-cpus and cpu node bindings definition
-=====================================
-
-The RISC-V architecture, in accordance with the Devicetree Specification,
-requires the cpus and cpu nodes to be present and contain the properties
-described below.
-
-- cpus node
-
- Description: Container of cpu nodes
-
- The node name must be "cpus".
-
- A cpus node must define the following properties:
-
- - #address-cells
- Usage: required
- Value type: <u32>
- Definition: must be set to 1
- - #size-cells
- Usage: required
- Value type: <u32>
- Definition: must be set to 0
-
-- cpu node
-
- Description: Describes a hart context
-
- PROPERTIES
-
- - device_type
- Usage: required
- Value type: <string>
- Definition: must be "cpu"
- - reg
- Usage: required
- Value type: <u32>
- Definition: The hart ID of this CPU node
- - compatible:
- Usage: required
- Value type: <stringlist>
- Definition: must contain "riscv", may contain one of
- "sifive,rocket0"
- - mmu-type:
- Usage: optional
- Value type: <string>
- Definition: Specifies the CPU's MMU type. Possible values are
- "riscv,sv32"
- "riscv,sv39"
- "riscv,sv48"
- - riscv,isa:
- Usage: required
- Value type: <string>
- Definition: Contains the RISC-V ISA string of this hart. These
- ISA strings are defined by the RISC-V ISA manual.
-
-Example: SiFive Freedom U540G Development Kit
----------------------------------------------
-
-This system contains two harts: a hart marked as disabled that's used for
-low-level system tasks and should be ignored by Linux, and a second hart that
-Linux is allowed to run on.
-
- cpus {
- #address-cells = <1>;
- #size-cells = <0>;
- timebase-frequency = <1000000>;
- cpu@0 {
- clock-frequency = <1600000000>;
- compatible = "sifive,rocket0", "riscv";
- device_type = "cpu";
- i-cache-block-size = <64>;
- i-cache-sets = <128>;
- i-cache-size = <16384>;
- next-level-cache = <&L15 &L0>;
- reg = <0>;
- riscv,isa = "rv64imac";
- status = "disabled";
- L10: interrupt-controller {
- #interrupt-cells = <1>;
- compatible = "riscv,cpu-intc";
- interrupt-controller;
- };
- };
- cpu@1 {
- clock-frequency = <1600000000>;
- compatible = "sifive,rocket0", "riscv";
- d-cache-block-size = <64>;
- d-cache-sets = <64>;
- d-cache-size = <32768>;
- d-tlb-sets = <1>;
- d-tlb-size = <32>;
- device_type = "cpu";
- i-cache-block-size = <64>;
- i-cache-sets = <64>;
- i-cache-size = <32768>;
- i-tlb-sets = <1>;
- i-tlb-size = <32>;
- mmu-type = "riscv,sv39";
- next-level-cache = <&L15 &L0>;
- reg = <1>;
- riscv,isa = "rv64imafdc";
- status = "okay";
- tlb-split;
- L13: interrupt-controller {
- #interrupt-cells = <1>;
- compatible = "riscv,cpu-intc";
- interrupt-controller;
- };
- };
- };
-
-Example: Spike ISA Simulator with 1 Hart
-----------------------------------------
-
-This device tree matches the Spike ISA golden model as run with `spike -p1`.
-
- cpus {
- cpu@0 {
- device_type = "cpu";
- reg = <0x00000000>;
- status = "okay";
- compatible = "riscv";
- riscv,isa = "rv64imafdc";
- mmu-type = "riscv,sv48";
- clock-frequency = <0x3b9aca00>;
- interrupt-controller {
- #interrupt-cells = <0x00000001>;
- interrupt-controller;
- compatible = "riscv,cpu-intc";
- }
- }
- }
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index c899111aa5e3..b261a3015f84 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -10,6 +10,18 @@ maintainers:
- Paul Walmsley <paul.walmsley@sifive.com>
- Palmer Dabbelt <palmer@sifive.com>
+description: |
+ This document uses some terminology common to the RISC-V community
+ that is not widely used, the definitions of which are listed here:
+
+ hart: A hardware execution context, which contains all the state
+ mandated by the RISC-V ISA: a PC and some registers. This
+ terminology is designed to disambiguate software's view of execution
+ contexts from any particular microarchitectural implementation
+ strategy. For example, an Intel laptop containing one socket with
+ two cores, each of which has two hyperthreads, could be described as
+ having four harts.
+
properties:
compatible:
items:
@@ -50,6 +62,10 @@ properties:
User-Level ISA document, available from
https://riscv.org/specifications/
+ While the isa strings in ISA specification are case
+ insensitive, letters in the riscv,isa string must be all
+ lowercase to simplify parsing.
+
timebase-frequency:
type: integer
minimum: 1
diff --git a/Documentation/devicetree/bindings/riscv/sifive.yaml b/Documentation/devicetree/bindings/riscv/sifive.yaml
index 9d17dc2f3f84..3ab532713dc1 100644
--- a/Documentation/devicetree/bindings/riscv/sifive.yaml
+++ b/Documentation/devicetree/bindings/riscv/sifive.yaml
@@ -19,7 +19,7 @@ properties:
compatible:
items:
- enum:
- - sifive,freedom-unleashed-a00
+ - sifive,hifive-unleashed-a00
- const: sifive,fu540-c000
- const: sifive,fu540
...
diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index 876c0623f322..a02e2fe2bfb2 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -73,7 +73,6 @@ patternProperties:
Compatible of the SPI device.
reg:
- maxItems: 1
minimum: 0
maximum: 256
description:
diff --git a/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml b/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
index a36a0746c056..2807225db902 100644
--- a/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
+++ b/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
@@ -2,7 +2,7 @@
# Copyright 2018 Linaro Ltd.
%YAML 1.2
---
-$id: "http://devicetree.org/schemas/timer/intel-ixp4xx-timer.yaml#"
+$id: "http://devicetree.org/schemas/timer/intel,ixp4xx-timer.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Intel IXP4xx XScale Networking Processors Timers
diff --git a/Documentation/devicetree/bindings/usb/usb251xb.txt b/Documentation/devicetree/bindings/usb/usb251xb.txt
index bc7945e9dbfe..17915f64b8ee 100644
--- a/Documentation/devicetree/bindings/usb/usb251xb.txt
+++ b/Documentation/devicetree/bindings/usb/usb251xb.txt
@@ -64,10 +64,8 @@ Optional properties :
- power-on-time-ms : Specifies the time it takes from the time the host
initiates the power-on sequence to a port until the port has adequate
power. The value is given in ms in a 0 - 510 range (default is 100ms).
- - swap-dx-lanes : Specifies the downstream ports which will swap the
- differential-pair (D+/D-), default is not-swapped.
- - swap-us-lanes : Selects the upstream port differential-pair (D+/D-)
- swapping (boolean, default is not-swapped)
+ - swap-dx-lanes : Specifies the ports which will swap the differential-pair
+ (D+/D-), default is not-swapped.
Examples:
usb2512b@2c {
diff --git a/Documentation/doc-guide/conf.py b/Documentation/doc-guide/conf.py
deleted file mode 100644
index fd3731182d5a..000000000000
--- a/Documentation/doc-guide/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = 'Linux Kernel Documentation Guide'
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'kernel-doc-guide.tex', 'Linux Kernel Documentation Guide',
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/driver-api/80211/conf.py b/Documentation/driver-api/80211/conf.py
deleted file mode 100644
index 4424b4b0b9c3..000000000000
--- a/Documentation/driver-api/80211/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Linux 802.11 Driver Developer's Guide"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', '80211.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/driver-api/conf.py b/Documentation/driver-api/conf.py
deleted file mode 100644
index 202726d20088..000000000000
--- a/Documentation/driver-api/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "The Linux driver implementer's API guide"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'driver-api.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/driver-api/generic-counter.rst b/Documentation/driver-api/generic-counter.rst
index 0c161b1a3be6..8382f01a53e3 100644
--- a/Documentation/driver-api/generic-counter.rst
+++ b/Documentation/driver-api/generic-counter.rst
@@ -233,7 +233,7 @@ Userspace Interface
Several sysfs attributes are generated by the Generic Counter interface,
and reside under the /sys/bus/counter/devices/counterX directory, where
counterX refers to the respective counter device. Please see
-Documentation/ABI/testing/sys-bus-counter-generic-sysfs for detailed
+Documentation/ABI/testing/sysfs-bus-counter for detailed
information on each Generic Counter interface sysfs attribute.
Through these sysfs attributes, programs and scripts may interact with
@@ -325,7 +325,7 @@ sysfs attributes, where Y is the unique ID of the respective Count:
For a more detailed breakdown of the available Generic Counter interface
sysfs attributes, please refer to the
-Documentation/ABI/testing/sys-bus-counter file.
+Documentation/ABI/testing/sysfs-bus-counter file.
The Signals and Counts associated with the Counter device are registered
to the system as well by the counter_register function. The
diff --git a/Documentation/driver-api/phy/phy.rst b/Documentation/driver-api/phy/phy.rst
index 457c3e0f86d6..8fc1ce0bb905 100644
--- a/Documentation/driver-api/phy/phy.rst
+++ b/Documentation/driver-api/phy/phy.rst
@@ -179,8 +179,8 @@ PHY Mappings
In order to get reference to a PHY without help from DeviceTree, the framework
offers lookups which can be compared to clkdev that allow clk structures to be
-bound to devices. A lookup can be made be made during runtime when a handle to
-the struct phy already exists.
+bound to devices. A lookup can be made during runtime when a handle to the
+struct phy already exists.
The framework offers the following API for registering and unregistering the
lookups::
diff --git a/Documentation/driver-api/pm/conf.py b/Documentation/driver-api/pm/conf.py
deleted file mode 100644
index a89fac11272f..000000000000
--- a/Documentation/driver-api/pm/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Device Power Management"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'pm.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/filesystems/cifs/TODO b/Documentation/filesystems/cifs/TODO
index 9267f3fb131f..edbbccda1942 100644
--- a/Documentation/filesystems/cifs/TODO
+++ b/Documentation/filesystems/cifs/TODO
@@ -13,7 +13,8 @@ a) SMB3 (and SMB3.1.1) missing optional features:
- T10 copy offload ie "ODX" (copy chunk, and "Duplicate Extents" ioctl
currently the only two server side copy mechanisms supported)
-b) improved sparse file support
+b) improved sparse file support (fiemap and SEEK_HOLE are implemented
+but additional features would be supportable by the protocol).
c) Directory entry caching relies on a 1 second timer, rather than
using Directory Leases, currently only the root file handle is cached longer
@@ -21,9 +22,13 @@ using Directory Leases, currently only the root file handle is cached longer
d) quota support (needs minor kernel change since quota calls
to make it to network filesystems or deviceless filesystems)
-e) Additional use cases where we use "compoounding" (e.g. open/query/close
-and open/setinfo/close) to reduce the number of roundtrips, and also
-open to reduce redundant opens (using deferred close and reference counts more).
+e) Additional use cases can be optimized to use "compounding"
+(e.g. open/query/close and open/setinfo/close) to reduce the number
+of roundtrips to the server and improve performance. Various cases
+(stat, statfs, create, unlink, mkdir) already have been improved by
+using compounding but more can be done. In addition we could significantly
+reduce redundant opens by using deferred close (with handle caching leases)
+and better using reference counters on file handles.
f) Finish inotify support so kde and gnome file list windows
will autorefresh (partially complete by Asser). Needs minor kernel
@@ -43,18 +48,17 @@ mount or a per server basis to client UIDs or nobody if no mapping
exists. Also better integration with winbind for resolving SID owners
k) Add tools to take advantage of more smb3 specific ioctls and features
-(passthrough ioctl/fsctl for sending various SMB3 fsctls to the server
-is in progress, and a passthrough query_info call is already implemented
-in cifs.ko to allow smb3 info levels queries to be sent from userspace)
+(passthrough ioctl/fsctl is now implemented in cifs.ko to allow sending
+various SMB3 fsctls and query info and set info calls directly from user space)
+Add tools to make setting various non-POSIX metadata attributes easier
+from tools (e.g. extending what was done in smb-info tool).
l) encrypted file support
m) improved stats gathering tools (perhaps integration with nfsometer?)
to extend and make easier to use what is currently in /proc/fs/cifs/Stats
-n) allow setting more NTFS/SMB3 file attributes remotely (currently limited to compressed
-file attribute via chflags) and improve user space tools for managing and
-viewing them.
+n) Add support for claims based ACLs ("DAC")
o) mount helper GUI (to simplify the various configuration options on mount)
@@ -82,6 +86,8 @@ so far).
w) Add support for additional strong encryption types, and additional spnego
authentication mechanisms (see MS-SMB2)
+x) Finish support for SMB3.1.1 compression
+
KNOWN BUGS
====================================
See http://bugzilla.samba.org - search on product "CifsVFS" for
diff --git a/Documentation/filesystems/conf.py b/Documentation/filesystems/conf.py
deleted file mode 100644
index ea44172af5c4..000000000000
--- a/Documentation/filesystems/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Linux Filesystems API"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'filesystems.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/gpu/conf.py b/Documentation/gpu/conf.py
deleted file mode 100644
index 1757b040fb32..000000000000
--- a/Documentation/gpu/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Linux GPU Driver Developer's Guide"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'gpu.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/hwmon/k8temp.rst b/Documentation/hwmon/k8temp.rst
index 72da12aa17e5..fe9109521056 100644
--- a/Documentation/hwmon/k8temp.rst
+++ b/Documentation/hwmon/k8temp.rst
@@ -9,7 +9,7 @@ Supported chips:
Addresses scanned: PCI space
- Datasheet: http://support.amd.com/us/Processor_TechDocs/32559.pdf
+ Datasheet: http://www.amd.com/system/files/TechDocs/32559.pdf
Author: Rudolf Marek
diff --git a/Documentation/index.rst b/Documentation/index.rst
index 70ae148ec980..2df5a3da563c 100644
--- a/Documentation/index.rst
+++ b/Documentation/index.rst
@@ -111,9 +111,11 @@ needed).
netlabel/index
networking/index
pcmcia/index
+ power/index
target/index
timers/index
watchdog/index
+ virtual/index
input/index
hwmon/index
gpu/index
@@ -143,6 +145,7 @@ implementation.
arm64/index
ia64/index
m68k/index
+ powerpc/index
riscv/index
s390/index
sh/index
diff --git a/Documentation/input/conf.py b/Documentation/input/conf.py
deleted file mode 100644
index d2352fdc92ed..000000000000
--- a/Documentation/input/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "The Linux input driver subsystem"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'linux-input.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/kernel-hacking/conf.py b/Documentation/kernel-hacking/conf.py
deleted file mode 100644
index 3d8acf0f33ad..000000000000
--- a/Documentation/kernel-hacking/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Kernel Hacking Guides"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'kernel-hacking.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/locking/spinlocks.rst b/Documentation/locking/spinlocks.rst
index 098107fb7d86..e93ec6645238 100644
--- a/Documentation/locking/spinlocks.rst
+++ b/Documentation/locking/spinlocks.rst
@@ -82,7 +82,7 @@ itself. The read lock allows many concurrent readers. Anything that
**changes** the list will have to get the write lock.
NOTE! RCU is better for list traversal, but requires careful
- attention to design detail (see Documentation/RCU/listRCU.txt).
+ attention to design detail (see Documentation/RCU/listRCU.rst).
Also, you cannot "upgrade" a read-lock to a write-lock, so if you at _any_
time need to do any changes (even if you don't do it every time), you have
@@ -90,7 +90,7 @@ to get the write-lock at the very beginning.
NOTE! We are working hard to remove reader-writer spinlocks in most
cases, so please don't add a new one without consensus. (Instead, see
- Documentation/RCU/rcu.txt for complete information.)
+ Documentation/RCU/rcu.rst for complete information.)
----
diff --git a/Documentation/maintainer/conf.py b/Documentation/maintainer/conf.py
deleted file mode 100644
index 81e9eb7a7884..000000000000
--- a/Documentation/maintainer/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = 'Linux Kernel Development Documentation'
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'maintainer.tex', 'Linux Kernel Development Documentation',
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/media/conf.py b/Documentation/media/conf.py
deleted file mode 100644
index 1f194fcd2cae..000000000000
--- a/Documentation/media/conf.py
+++ /dev/null
@@ -1,12 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-# SPDX-License-Identifier: GPL-2.0
-
-project = 'Linux Media Subsystem Documentation'
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'media.tex', 'Linux Media Subsystem Documentation',
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index 045bb8148fe9..1adbb8a371c7 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -548,7 +548,7 @@ There are certain things that the Linux kernel memory barriers do not guarantee:
[*] For information on bus mastering DMA and coherency please read:
- Documentation/PCI/pci.rst
+ Documentation/driver-api/pci/pci.rst
Documentation/DMA-API-HOWTO.txt
Documentation/DMA-API.txt
diff --git a/Documentation/networking/conf.py b/Documentation/networking/conf.py
deleted file mode 100644
index 40f69e67a883..000000000000
--- a/Documentation/networking/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Linux Networking Documentation"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'networking.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/networking/tls-offload.rst b/Documentation/networking/tls-offload.rst
index 048e5ca44824..b70b70dc4524 100644
--- a/Documentation/networking/tls-offload.rst
+++ b/Documentation/networking/tls-offload.rst
@@ -424,13 +424,24 @@ Statistics
Following minimum set of TLS-related statistics should be reported
by the driver:
- * ``rx_tls_decrypted`` - number of successfully decrypted TLS segments
- * ``tx_tls_encrypted`` - number of in-order TLS segments passed to device
- for encryption
+ * ``rx_tls_decrypted_packets`` - number of successfully decrypted RX packets
+ which were part of a TLS stream.
+ * ``rx_tls_decrypted_bytes`` - number of TLS payload bytes in RX packets
+ which were successfully decrypted.
+ * ``tx_tls_encrypted_packets`` - number of TX packets passed to the device
+ for encryption of their TLS payload.
+ * ``tx_tls_encrypted_bytes`` - number of TLS payload bytes in TX packets
+ passed to the device for encryption.
+ * ``tx_tls_ctx`` - number of TLS TX HW offload contexts added to device for
+ encryption.
* ``tx_tls_ooo`` - number of TX packets which were part of a TLS stream
- but did not arrive in the expected order
- * ``tx_tls_drop_no_sync_data`` - number of TX packets dropped because
- they arrived out of order and associated record could not be found
+ but did not arrive in the expected order.
+ * ``tx_tls_drop_no_sync_data`` - number of TX packets which were part of
+ a TLS stream dropped, because they arrived out of order and associated
+ record could not be found.
+ * ``tx_tls_drop_bypass_req`` - number of TX packets which were part of a TLS
+ stream dropped, because they contain both data that has been encrypted by
+ software and data that expects hardware crypto offload.
Notable corner cases, exceptions and additional requirements
============================================================
diff --git a/Documentation/power/index.rst b/Documentation/power/index.rst
index 20415f21e48a..002e42745263 100644
--- a/Documentation/power/index.rst
+++ b/Documentation/power/index.rst
@@ -1,4 +1,4 @@
-:orphan:
+.. SPDX-License-Identifier: GPL-2.0
================
Power Management
diff --git a/Documentation/powerpc/bootwrapper.txt b/Documentation/powerpc/bootwrapper.rst
index d60fced5e1cc..a6292afba573 100644
--- a/Documentation/powerpc/bootwrapper.txt
+++ b/Documentation/powerpc/bootwrapper.rst
@@ -1,5 +1,7 @@
+========================
The PowerPC boot wrapper
-------------------------
+========================
+
Copyright (C) Secret Lab Technologies Ltd.
PowerPC image targets compresses and wraps the kernel image (vmlinux) with
@@ -21,6 +23,7 @@ it uses the wrapper script (arch/powerpc/boot/wrapper) to generate target
image. The details of the build system is discussed in the next section.
Currently, the following image format targets exist:
+ ==================== ========================================================
cuImage.%: Backwards compatible uImage for older version of
U-Boot (for versions that don't understand the device
tree). This image embeds a device tree blob inside
@@ -29,31 +32,36 @@ Currently, the following image format targets exist:
with boot wrapper code that extracts data from the old
bd_info structure and loads the data into the device
tree before jumping into the kernel.
- Because of the series of #ifdefs found in the
+
+ Because of the series of #ifdefs found in the
bd_info structure used in the old U-Boot interfaces,
cuImages are platform specific. Each specific
U-Boot platform has a different platform init file
which populates the embedded device tree with data
from the platform specific bd_info file. The platform
specific cuImage platform init code can be found in
- arch/powerpc/boot/cuboot.*.c. Selection of the correct
+ `arch/powerpc/boot/cuboot.*.c`. Selection of the correct
cuImage init code for a specific board can be found in
the wrapper structure.
+
dtbImage.%: Similar to zImage, except device tree blob is embedded
inside the image instead of provided by firmware. The
output image file can be either an elf file or a flat
binary depending on the platform.
- dtbImages are used on systems which do not have an
+
+ dtbImages are used on systems which do not have an
interface for passing a device tree directly.
dtbImages are similar to simpleImages except that
dtbImages have platform specific code for extracting
data from the board firmware, but simpleImages do not
talk to the firmware at all.
- PlayStation 3 support uses dtbImage. So do Embedded
+
+ PlayStation 3 support uses dtbImage. So do Embedded
Planet boards using the PlanetCore firmware. Board
specific initialization code is typically found in a
file named arch/powerpc/boot/<platform>.c; but this
can be overridden by the wrapper script.
+
simpleImage.%: Firmware independent compressed image that does not
depend on any particular firmware interface and embeds
a device tree blob. This image is a flat binary that
@@ -61,14 +69,16 @@ Currently, the following image format targets exist:
Firmware cannot pass any configuration data to the
kernel with this image type and it depends entirely on
the embedded device tree for all information.
- The simpleImage is useful for booting systems with
+
+ The simpleImage is useful for booting systems with
an unknown firmware interface or for booting from
a debugger when no firmware is present (such as on
the Xilinx Virtex platform). The only assumption that
simpleImage makes is that RAM is correctly initialized
and that the MMU is either off or has RAM mapped to
base address 0.
- simpleImage also supports inserting special platform
+
+ simpleImage also supports inserting special platform
specific initialization code to the start of the bootup
sequence. The virtex405 platform uses this feature to
ensure that the cache is invalidated before caching
@@ -81,9 +91,11 @@ Currently, the following image format targets exist:
named (virtex405-<board>.dts). Search the wrapper
script for 'virtex405' and see the file
arch/powerpc/boot/virtex405-head.S for details.
+
treeImage.%; Image format for used with OpenBIOS firmware found
on some ppc4xx hardware. This image embeds a device
tree blob inside the image.
+
uImage: Native image format used by U-Boot. The uImage target
does not add any boot code. It just wraps a compressed
vmlinux in the uImage data structure. This image
@@ -91,12 +103,14 @@ Currently, the following image format targets exist:
a device tree to the kernel at boot. If using an older
version of U-Boot, then you need to use a cuImage
instead.
+
zImage.%: Image format which does not embed a device tree.
Used by OpenFirmware and other firmware interfaces
which are able to supply a device tree. This image
expects firmware to provide the device tree at boot.
Typically, if you have general purpose PowerPC
hardware then you want this image format.
+ ==================== ========================================================
Image types which embed a device tree blob (simpleImage, dtbImage, treeImage,
and cuImage) all generate the device tree blob from a file in the
diff --git a/Documentation/powerpc/cpu_families.txt b/Documentation/powerpc/cpu_families.rst
index fc08e22feb1a..1e063c5440c3 100644
--- a/Documentation/powerpc/cpu_families.txt
+++ b/Documentation/powerpc/cpu_families.rst
@@ -1,3 +1,4 @@
+============
CPU Families
============
@@ -8,8 +9,8 @@ and are supported by arch/powerpc.
Book3S (aka sPAPR)
------------------
- - Hash MMU
- - Mix of 32 & 64 bit
+- Hash MMU
+- Mix of 32 & 64 bit::
+--------------+ +----------------+
| Old POWER | --------------> | RS64 (threads) |
@@ -108,8 +109,8 @@ Book3S (aka sPAPR)
IBM BookE
---------
- - Software loaded TLB.
- - All 32 bit
+- Software loaded TLB.
+- All 32 bit::
+--------------+
| 401 |
@@ -155,8 +156,8 @@ IBM BookE
Motorola/Freescale 8xx
----------------------
- - Software loaded with hardware assist.
- - All 32 bit
+- Software loaded with hardware assist.
+- All 32 bit::
+-------------+
| MPC8xx Core |
@@ -166,9 +167,9 @@ Motorola/Freescale 8xx
Freescale BookE
---------------
- - Software loaded TLB.
- - e6500 adds HW loaded indirect TLB entries.
- - Mix of 32 & 64 bit
+- Software loaded TLB.
+- e6500 adds HW loaded indirect TLB entries.
+- Mix of 32 & 64 bit::
+--------------+
| e200 |
@@ -207,8 +208,8 @@ Freescale BookE
IBM A2 core
-----------
- - Book3E, software loaded TLB + HW loaded indirect TLB entries.
- - 64 bit
+- Book3E, software loaded TLB + HW loaded indirect TLB entries.
+- 64 bit::
+--------------+ +----------------+
| A2 core | --> | WSP |
diff --git a/Documentation/powerpc/cpu_features.txt b/Documentation/powerpc/cpu_features.rst
index ae09df8722c8..b7bcdd2f41bb 100644
--- a/Documentation/powerpc/cpu_features.txt
+++ b/Documentation/powerpc/cpu_features.rst
@@ -1,3 +1,7 @@
+============
+CPU Features
+============
+
Hollis Blanchard <hollis@austin.ibm.com>
5 Jun 2002
@@ -32,7 +36,7 @@ anyways).
After detecting the processor type, the kernel patches out sections of code
that shouldn't be used by writing nop's over it. Using cpufeatures requires
just 2 macros (found in arch/powerpc/include/asm/cputable.h), as seen in head.S
-transfer_to_handler:
+transfer_to_handler::
#ifdef CONFIG_ALTIVEC
BEGIN_FTR_SECTION
diff --git a/Documentation/powerpc/cxl.txt b/Documentation/powerpc/cxl.rst
index c5e8d5098ed3..920546d81326 100644
--- a/Documentation/powerpc/cxl.txt
+++ b/Documentation/powerpc/cxl.rst
@@ -1,3 +1,4 @@
+====================================
Coherent Accelerator Interface (CXL)
====================================
@@ -21,6 +22,8 @@ Introduction
Hardware overview
=================
+ ::
+
POWER8/9 FPGA
+----------+ +---------+
| | | |
@@ -59,14 +62,16 @@ Hardware overview
the fault. The context to which this fault is serviced is based on
who owns that acceleration function.
- POWER8 <-----> PSL Version 8 is compliant to the CAIA Version 1.0.
- POWER9 <-----> PSL Version 9 is compliant to the CAIA Version 2.0.
+ - POWER8 and PSL Version 8 are compliant to the CAIA Version 1.0.
+ - POWER9 and PSL Version 9 are compliant to the CAIA Version 2.0.
+
This PSL Version 9 provides new features such as:
+
* Interaction with the nest MMU on the P9 chip.
* Native DMA support.
* Supports sending ASB_Notify messages for host thread wakeup.
* Supports Atomic operations.
- * ....
+ * etc.
Cards with a PSL9 won't work on a POWER8 system and cards with a
PSL8 won't work on a POWER9 system.
@@ -147,7 +152,9 @@ User API
master devices.
A userspace library libcxl is available here:
+
https://github.com/ibm-capi/libcxl
+
This provides a C interface to this kernel API.
open
@@ -165,7 +172,8 @@ open
When all available contexts are allocated the open call will fail
and return -ENOSPC.
- Note: IRQs need to be allocated for each context, which may limit
+ Note:
+ IRQs need to be allocated for each context, which may limit
the number of contexts that can be created, and therefore
how many times the device can be opened. The POWER8 CAPP
supports 2040 IRQs and 3 are used by the kernel, so 2037 are
@@ -186,7 +194,9 @@ ioctl
updated as userspace allocates and frees memory. This ioctl
returns once the AFU context is started.
- Takes a pointer to a struct cxl_ioctl_start_work:
+ Takes a pointer to a struct cxl_ioctl_start_work
+
+ ::
struct cxl_ioctl_start_work {
__u64 flags;
@@ -269,7 +279,7 @@ read
The buffer passed to read() must be at least 4K bytes.
The result of the read will be a buffer of one or more events,
- each event is of type struct cxl_event, of varying size.
+ each event is of type struct cxl_event, of varying size::
struct cxl_event {
struct cxl_event_header header;
@@ -280,7 +290,9 @@ read
};
};
- The struct cxl_event_header is defined as:
+ The struct cxl_event_header is defined as
+
+ ::
struct cxl_event_header {
__u16 type;
@@ -307,7 +319,9 @@ read
For future extensions and padding.
If the event type is CXL_EVENT_AFU_INTERRUPT then the event
- structure is defined as:
+ structure is defined as
+
+ ::
struct cxl_event_afu_interrupt {
__u16 flags;
@@ -326,7 +340,9 @@ read
For future extensions and padding.
If the event type is CXL_EVENT_DATA_STORAGE then the event
- structure is defined as:
+ structure is defined as
+
+ ::
struct cxl_event_data_storage {
__u16 flags;
@@ -356,7 +372,9 @@ read
For future extensions
If the event type is CXL_EVENT_AFU_ERROR then the event structure
- is defined as:
+ is defined as
+
+ ::
struct cxl_event_afu_error {
__u16 flags;
@@ -393,15 +411,15 @@ open
ioctl
-----
-CXL_IOCTL_DOWNLOAD_IMAGE:
-CXL_IOCTL_VALIDATE_IMAGE:
+CXL_IOCTL_DOWNLOAD_IMAGE / CXL_IOCTL_VALIDATE_IMAGE:
Starts and controls flashing a new FPGA image. Partial
reconfiguration is not supported (yet), so the image must contain
a copy of the PSL and AFU(s). Since an image can be quite large,
the caller may have to iterate, splitting the image in smaller
chunks.
- Takes a pointer to a struct cxl_adapter_image:
+ Takes a pointer to a struct cxl_adapter_image::
+
struct cxl_adapter_image {
__u64 flags;
__u64 data;
@@ -442,7 +460,7 @@ Udev rules
The following udev rules could be used to create a symlink to the
most logical chardev to use in any programming mode (afuX.Yd for
dedicated, afuX.Ys for afu directed), since the API is virtually
- identical for each:
+ identical for each::
SUBSYSTEM=="cxl", ATTRS{mode}=="dedicated_process", SYMLINK="cxl/%b"
SUBSYSTEM=="cxl", ATTRS{mode}=="afu_directed", \
diff --git a/Documentation/powerpc/cxlflash.txt b/Documentation/powerpc/cxlflash.rst
index a64bdaa0a1cf..cea67931b3b9 100644
--- a/Documentation/powerpc/cxlflash.txt
+++ b/Documentation/powerpc/cxlflash.rst
@@ -1,3 +1,7 @@
+================================
+Coherent Accelerator (CXL) Flash
+================================
+
Introduction
============
@@ -28,7 +32,7 @@ Introduction
responsible for the initialization of the adapter, setting up the
special path for user space access, and performing error recovery. It
communicates directly the Flash Accelerator Functional Unit (AFU)
- as described in Documentation/powerpc/cxl.txt.
+ as described in Documentation/powerpc/cxl.rst.
The cxlflash driver supports two, mutually exclusive, modes of
operation at the device (LUN) level:
@@ -58,7 +62,7 @@ Overview
The CXL Flash Adapter Driver establishes a master context with the
AFU. It uses memory mapped I/O (MMIO) for this control and setup. The
- Adapter Problem Space Memory Map looks like this:
+ Adapter Problem Space Memory Map looks like this::
+-------------------------------+
| 512 * 64 KB User MMIO |
@@ -375,7 +379,7 @@ CXL Flash Driver Host IOCTLs
Each host adapter instance that is supported by the cxlflash driver
has a special character device associated with it to enable a set of
host management function. These character devices are hosted in a
- class dedicated for cxlflash and can be accessed via /dev/cxlflash/*.
+ class dedicated for cxlflash and can be accessed via `/dev/cxlflash/*`.
Applications can be written to perform various functions using the
host ioctl APIs below.
diff --git a/Documentation/powerpc/DAWR-POWER9.txt b/Documentation/powerpc/dawr-power9.rst
index ecdbb076438c..c96ab6befd9c 100644
--- a/Documentation/powerpc/DAWR-POWER9.txt
+++ b/Documentation/powerpc/dawr-power9.rst
@@ -1,10 +1,11 @@
+=====================
DAWR issues on POWER9
-============================
+=====================
On POWER9 the Data Address Watchpoint Register (DAWR) can cause a checkstop
if it points to cache inhibited (CI) memory. Currently Linux has no way to
disinguish CI memory when configuring the DAWR, so (for now) the DAWR is
-disabled by this commit:
+disabled by this commit::
commit 9654153158d3e0684a1bdb76dbababdb7111d5a0
Author: Michael Neuling <mikey@neuling.org>
@@ -12,7 +13,7 @@ disabled by this commit:
powerpc: Disable DAWR in the base POWER9 CPU features
Technical Details:
-============================
+==================
DAWR has 6 different ways of being set.
1) ptrace
@@ -37,7 +38,7 @@ DAWR on the migration.
For xmon, the 'bd' command will return an error on P9.
Consequences for users
-============================
+======================
For GDB watchpoints (ie 'watch' command) on POWER9 bare metal , GDB
will accept the command. Unfortunately since there is no hardware
@@ -57,8 +58,8 @@ trapped in GDB. The watchpoint is remembered, so if the guest is
migrated back to the POWER8 host, it will start working again.
Force enabling the DAWR
-=============================
-Kernels (since ~v5.2) have an option to force enable the DAWR via:
+=======================
+Kernels (since ~v5.2) have an option to force enable the DAWR via::
echo Y > /sys/kernel/debug/powerpc/dawr_enable_dangerous
@@ -86,5 +87,7 @@ dawr_enable_dangerous file will fail if the hypervisor doesn't support
writing the DAWR.
To double check the DAWR is working, run this kernel selftest:
+
tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c
+
Any errors/failures/skips mean something is wrong.
diff --git a/Documentation/powerpc/dscr.txt b/Documentation/powerpc/dscr.rst
index ece300c64f76..2ab99006014c 100644
--- a/Documentation/powerpc/dscr.txt
+++ b/Documentation/powerpc/dscr.rst
@@ -1,5 +1,6 @@
- DSCR (Data Stream Control Register)
- ================================================
+===================================
+DSCR (Data Stream Control Register)
+===================================
DSCR register in powerpc allows user to have some control of prefetch of data
stream in the processor. Please refer to the ISA documents or related manual
@@ -10,14 +11,17 @@ user interface.
(A) Data Structures:
- (1) thread_struct:
+ (1) thread_struct::
+
dscr /* Thread DSCR value */
dscr_inherit /* Thread has changed default DSCR */
- (2) PACA:
+ (2) PACA::
+
dscr_default /* per-CPU DSCR default value */
- (3) sysfs.c:
+ (3) sysfs.c::
+
dscr_default /* System DSCR default value */
(B) Scheduler Changes:
@@ -35,8 +39,8 @@ user interface.
(C) SYSFS Interface:
- Global DSCR default: /sys/devices/system/cpu/dscr_default
- CPU specific DSCR default: /sys/devices/system/cpu/cpuN/dscr
+ - Global DSCR default: /sys/devices/system/cpu/dscr_default
+ - CPU specific DSCR default: /sys/devices/system/cpu/cpuN/dscr
Changing the global DSCR default in the sysfs will change all the CPU
specific DSCR defaults immediately in their PACA structures. Again if
diff --git a/Documentation/powerpc/eeh-pci-error-recovery.txt b/Documentation/powerpc/eeh-pci-error-recovery.rst
index 678189280bb4..438a87ebc095 100644
--- a/Documentation/powerpc/eeh-pci-error-recovery.txt
+++ b/Documentation/powerpc/eeh-pci-error-recovery.rst
@@ -1,10 +1,10 @@
+==========================
+PCI Bus EEH Error Recovery
+==========================
+Linas Vepstas <linas@austin.ibm.com>
- PCI Bus EEH Error Recovery
- --------------------------
- Linas Vepstas
- <linas@austin.ibm.com>
- 12 January 2005
+12 January 2005
Overview:
@@ -143,17 +143,17 @@ seen in /proc/ppc64/eeh (subject to change). Normally, almost
all of these occur during boot, when the PCI bus is scanned, where
a large number of 0xff reads are part of the bus scan procedure.
-If a frozen slot is detected, code in
-arch/powerpc/platforms/pseries/eeh.c will print a stack trace to
-syslog (/var/log/messages). This stack trace has proven to be very
-useful to device-driver authors for finding out at what point the EEH
-error was detected, as the error itself usually occurs slightly
+If a frozen slot is detected, code in
+arch/powerpc/platforms/pseries/eeh.c will print a stack trace to
+syslog (/var/log/messages). This stack trace has proven to be very
+useful to device-driver authors for finding out at what point the EEH
+error was detected, as the error itself usually occurs slightly
beforehand.
Next, it uses the Linux kernel notifier chain/work queue mechanism to
allow any interested parties to find out about the failure. Device
drivers, or other parts of the kernel, can use
-eeh_register_notifier(struct notifier_block *) to find out about EEH
+`eeh_register_notifier(struct notifier_block *)` to find out about EEH
events. The event will include a pointer to the pci device, the
device node and some state info. Receivers of the event can "do as
they wish"; the default handler will be described further in this
@@ -162,10 +162,13 @@ section.
To assist in the recovery of the device, eeh.c exports the
following functions:
-rtas_set_slot_reset() -- assert the PCI #RST line for 1/8th of a second
-rtas_configure_bridge() -- ask firmware to configure any PCI bridges
+rtas_set_slot_reset()
+ assert the PCI #RST line for 1/8th of a second
+rtas_configure_bridge()
+ ask firmware to configure any PCI bridges
located topologically under the pci slot.
-eeh_save_bars() and eeh_restore_bars(): save and restore the PCI
+eeh_save_bars() and eeh_restore_bars():
+ save and restore the PCI
config-space info for a device and any devices under it.
@@ -191,7 +194,7 @@ events get delivered to user-space scripts.
Following is an example sequence of events that cause a device driver
close function to be called during the first phase of an EEH reset.
-The following sequence is an example of the pcnet32 device driver.
+The following sequence is an example of the pcnet32 device driver::
rpa_php_unconfig_pci_adapter (struct slot *) // in rpaphp_pci.c
{
@@ -241,53 +244,54 @@ The following sequence is an example of the pcnet32 device driver.
}}}}}}
- in drivers/pci/pci_driver.c,
- struct device_driver->remove() is just pci_device_remove()
- which calls struct pci_driver->remove() which is pcnet32_remove_one()
- which calls unregister_netdev() (in net/core/dev.c)
- which calls dev_close() (in net/core/dev.c)
- which calls dev->stop() which is pcnet32_close()
- which then does the appropriate shutdown.
+in drivers/pci/pci_driver.c,
+struct device_driver->remove() is just pci_device_remove()
+which calls struct pci_driver->remove() which is pcnet32_remove_one()
+which calls unregister_netdev() (in net/core/dev.c)
+which calls dev_close() (in net/core/dev.c)
+which calls dev->stop() which is pcnet32_close()
+which then does the appropriate shutdown.
---
+
Following is the analogous stack trace for events sent to user-space
-when the pci device is unconfigured.
+when the pci device is unconfigured::
-rpa_php_unconfig_pci_adapter() { // in rpaphp_pci.c
- calls
- pci_remove_bus_device (struct pci_dev *) { // in /drivers/pci/remove.c
+ rpa_php_unconfig_pci_adapter() { // in rpaphp_pci.c
calls
- pci_destroy_dev (struct pci_dev *) {
+ pci_remove_bus_device (struct pci_dev *) { // in /drivers/pci/remove.c
calls
- device_unregister (&dev->dev) { // in /drivers/base/core.c
+ pci_destroy_dev (struct pci_dev *) {
calls
- device_del(struct device * dev) { // in /drivers/base/core.c
+ device_unregister (&dev->dev) { // in /drivers/base/core.c
calls
- kobject_del() { //in /libs/kobject.c
+ device_del(struct device * dev) { // in /drivers/base/core.c
calls
- kobject_uevent() { // in /libs/kobject.c
+ kobject_del() { //in /libs/kobject.c
calls
- kset_uevent() { // in /lib/kobject.c
+ kobject_uevent() { // in /libs/kobject.c
calls
- kset->uevent_ops->uevent() // which is really just
- a call to
- dev_uevent() { // in /drivers/base/core.c
+ kset_uevent() { // in /lib/kobject.c
calls
- dev->bus->uevent() which is really just a call to
- pci_uevent () { // in drivers/pci/hotplug.c
- which prints device name, etc....
+ kset->uevent_ops->uevent() // which is really just
+ a call to
+ dev_uevent() { // in /drivers/base/core.c
+ calls
+ dev->bus->uevent() which is really just a call to
+ pci_uevent () { // in drivers/pci/hotplug.c
+ which prints device name, etc....
+ }
}
- }
- then kobject_uevent() sends a netlink uevent to userspace
- --> userspace uevent
- (during early boot, nobody listens to netlink events and
- kobject_uevent() executes uevent_helper[], which runs the
- event process /sbin/hotplug)
+ then kobject_uevent() sends a netlink uevent to userspace
+ --> userspace uevent
+ (during early boot, nobody listens to netlink events and
+ kobject_uevent() executes uevent_helper[], which runs the
+ event process /sbin/hotplug)
+ }
}
- }
- kobject_del() then calls sysfs_remove_dir(), which would
- trigger any user-space daemon that was watching /sysfs,
- and notice the delete event.
+ kobject_del() then calls sysfs_remove_dir(), which would
+ trigger any user-space daemon that was watching /sysfs,
+ and notice the delete event.
Pro's and Con's of the Current Design
@@ -299,12 +303,12 @@ individual device drivers, so that the current design throws a wide net.
The biggest negative of the design is that it potentially disturbs
network daemons and file systems that didn't need to be disturbed.
--- A minor complaint is that resetting the network card causes
+- A minor complaint is that resetting the network card causes
user-space back-to-back ifdown/ifup burps that potentially disturb
network daemons, that didn't need to even know that the pci
card was being rebooted.
--- A more serious concern is that the same reset, for SCSI devices,
+- A more serious concern is that the same reset, for SCSI devices,
causes havoc to mounted file systems. Scripts cannot post-facto
unmount a file system without flushing pending buffers, but this
is impossible, because I/O has already been stopped. Thus,
@@ -322,7 +326,7 @@ network daemons and file systems that didn't need to be disturbed.
from the block layer. It would be very natural to add an EEH
reset into this chain of events.
--- If a SCSI error occurs for the root device, all is lost unless
+- If a SCSI error occurs for the root device, all is lost unless
the sysadmin had the foresight to run /bin, /sbin, /etc, /var
and so on, out of ramdisk/tmpfs.
@@ -330,5 +334,3 @@ network daemons and file systems that didn't need to be disturbed.
Conclusions
-----------
There's forward progress ...
-
-
diff --git a/Documentation/powerpc/firmware-assisted-dump.txt b/Documentation/powerpc/firmware-assisted-dump.rst
index 10e7f4d16c14..9ca12830a48e 100644
--- a/Documentation/powerpc/firmware-assisted-dump.txt
+++ b/Documentation/powerpc/firmware-assisted-dump.rst
@@ -1,7 +1,8 @@
+======================
+Firmware-Assisted Dump
+======================
- Firmware-Assisted Dump
- ------------------------
- July 2011
+July 2011
The goal of firmware-assisted dump is to enable the dump of
a crashed system, and to do so from a fully-reset system, and
@@ -27,11 +28,11 @@ in production use.
Comparing with kdump or other strategies, firmware-assisted
dump offers several strong, practical advantages:
--- Unlike kdump, the system has been reset, and loaded
+- Unlike kdump, the system has been reset, and loaded
with a fresh copy of the kernel. In particular,
PCI and I/O devices have been reinitialized and are
in a clean, consistent state.
--- Once the dump is copied out, the memory that held the dump
+- Once the dump is copied out, the memory that held the dump
is immediately available to the running kernel. And therefore,
unlike kdump, fadump doesn't need a 2nd reboot to get back
the system to the production configuration.
@@ -40,17 +41,18 @@ The above can only be accomplished by coordination with,
and assistance from the Power firmware. The procedure is
as follows:
--- The first kernel registers the sections of memory with the
+- The first kernel registers the sections of memory with the
Power firmware for dump preservation during OS initialization.
These registered sections of memory are reserved by the first
kernel during early boot.
--- When a system crashes, the Power firmware will save
+- When a system crashes, the Power firmware will save
the low memory (boot memory of size larger of 5% of system RAM
or 256MB) of RAM to the previous registered region. It will
also save system registers, and hardware PTE's.
- NOTE: The term 'boot memory' means size of the low memory chunk
+ NOTE:
+ The term 'boot memory' means size of the low memory chunk
that is required for a kernel to boot successfully when
booted with restricted memory. By default, the boot memory
size will be the larger of 5% of system RAM or 256MB.
@@ -64,12 +66,12 @@ as follows:
as fadump uses a predefined offset to reserve memory
for boot memory dump preservation in case of a crash.
--- After the low memory (boot memory) area has been saved, the
+- After the low memory (boot memory) area has been saved, the
firmware will reset PCI and other hardware state. It will
*not* clear the RAM. It will then launch the bootloader, as
normal.
--- The freshly booted kernel will notice that there is a new
+- The freshly booted kernel will notice that there is a new
node (ibm,dump-kernel) in the device tree, indicating that
there is crash data available from a previous boot. During
the early boot OS will reserve rest of the memory above
@@ -77,17 +79,18 @@ as follows:
size. This will make sure that the second kernel will not
touch any of the dump memory area.
--- User-space tools will read /proc/vmcore to obtain the contents
+- User-space tools will read /proc/vmcore to obtain the contents
of memory, which holds the previous crashed kernel dump in ELF
format. The userspace tools may copy this info to disk, or
network, nas, san, iscsi, etc. as desired.
--- Once the userspace tool is done saving dump, it will echo
+- Once the userspace tool is done saving dump, it will echo
'1' to /sys/kernel/fadump_release_mem to release the reserved
memory back to general use, except the memory required for
next firmware-assisted dump registration.
- e.g.
+ e.g.::
+
# echo 1 > /sys/kernel/fadump_release_mem
Please note that the firmware-assisted dump feature
@@ -95,7 +98,7 @@ is only available on Power6 and above systems with recent
firmware versions.
Implementation details:
-----------------------
+-----------------------
During boot, a check is made to see if firmware supports
this feature on that particular machine. If it does, then
@@ -121,7 +124,7 @@ Allocator (CMA) for memory reservation if CMA is configured for kernel.
With CMA reservation this memory will be available for applications to
use it, while kernel is prevented from using it. With this fadump will
still be able to capture all of the kernel memory and most of the user
-space memory except the user pages that were present in CMA region.
+space memory except the user pages that were present in CMA region::
o Memory Reservation during first kernel
@@ -166,7 +169,7 @@ The tools to examine the dump will be same as the ones
used for kdump.
How to enable firmware-assisted dump (fadump):
--------------------------------------
+----------------------------------------------
1. Set config option CONFIG_FA_DUMP=y and build kernel.
2. Boot into linux kernel with 'fadump=on' kernel cmdline option.
@@ -177,19 +180,20 @@ How to enable firmware-assisted dump (fadump):
to specify size of the memory to reserve for boot memory dump
preservation.
-NOTE: 1. 'fadump_reserve_mem=' parameter has been deprecated. Instead
- use 'crashkernel=' to specify size of the memory to reserve
- for boot memory dump preservation.
- 2. If firmware-assisted dump fails to reserve memory then it
- will fallback to existing kdump mechanism if 'crashkernel='
- option is set at kernel cmdline.
- 3. if user wants to capture all of user space memory and ok with
- reserved memory not available to production system, then
- 'fadump=nocma' kernel parameter can be used to fallback to
- old behaviour.
+NOTE:
+ 1. 'fadump_reserve_mem=' parameter has been deprecated. Instead
+ use 'crashkernel=' to specify size of the memory to reserve
+ for boot memory dump preservation.
+ 2. If firmware-assisted dump fails to reserve memory then it
+ will fallback to existing kdump mechanism if 'crashkernel='
+ option is set at kernel cmdline.
+ 3. if user wants to capture all of user space memory and ok with
+ reserved memory not available to production system, then
+ 'fadump=nocma' kernel parameter can be used to fallback to
+ old behaviour.
Sysfs/debugfs files:
-------------
+--------------------
Firmware-assisted dump feature uses sysfs file system to hold
the control files and debugfs file to display memory reserved region.
@@ -197,20 +201,20 @@ the control files and debugfs file to display memory reserved region.
Here is the list of files under kernel sysfs:
/sys/kernel/fadump_enabled
-
This is used to display the fadump status.
- 0 = fadump is disabled
- 1 = fadump is enabled
+
+ - 0 = fadump is disabled
+ - 1 = fadump is enabled
This interface can be used by kdump init scripts to identify if
fadump is enabled in the kernel and act accordingly.
/sys/kernel/fadump_registered
-
This is used to display the fadump registration status as well
as to control (start/stop) the fadump registration.
- 0 = fadump is not registered.
- 1 = fadump is registered and ready to handle system crash.
+
+ - 0 = fadump is not registered.
+ - 1 = fadump is registered and ready to handle system crash.
To register fadump echo 1 > /sys/kernel/fadump_registered and
echo 0 > /sys/kernel/fadump_registered for un-register and stop the
@@ -219,13 +223,12 @@ Here is the list of files under kernel sysfs:
easily integrated with kdump service start/stop.
/sys/kernel/fadump_release_mem
-
This file is available only when fadump is active during
second kernel. This is used to release the reserved memory
region that are held for saving crash dump. To release the
- reserved memory echo 1 to it:
+ reserved memory echo 1 to it::
- echo 1 > /sys/kernel/fadump_release_mem
+ echo 1 > /sys/kernel/fadump_release_mem
After echo 1, the content of the /sys/kernel/debug/powerpc/fadump_region
file will change to reflect the new memory reservations.
@@ -238,38 +241,39 @@ Here is the list of files under powerpc debugfs:
(Assuming debugfs is mounted on /sys/kernel/debug directory.)
/sys/kernel/debug/powerpc/fadump_region
-
This file shows the reserved memory regions if fadump is
enabled otherwise this file is empty. The output format
- is:
- <region>: [<start>-<end>] <reserved-size> bytes, Dumped: <dump-size>
+ is::
+
+ <region>: [<start>-<end>] <reserved-size> bytes, Dumped: <dump-size>
e.g.
- Contents when fadump is registered during first kernel
+ Contents when fadump is registered during first kernel::
- # cat /sys/kernel/debug/powerpc/fadump_region
- CPU : [0x0000006ffb0000-0x0000006fff001f] 0x40020 bytes, Dumped: 0x0
- HPTE: [0x0000006fff0020-0x0000006fff101f] 0x1000 bytes, Dumped: 0x0
- DUMP: [0x0000006fff1020-0x0000007fff101f] 0x10000000 bytes, Dumped: 0x0
+ # cat /sys/kernel/debug/powerpc/fadump_region
+ CPU : [0x0000006ffb0000-0x0000006fff001f] 0x40020 bytes, Dumped: 0x0
+ HPTE: [0x0000006fff0020-0x0000006fff101f] 0x1000 bytes, Dumped: 0x0
+ DUMP: [0x0000006fff1020-0x0000007fff101f] 0x10000000 bytes, Dumped: 0x0
- Contents when fadump is active during second kernel
+ Contents when fadump is active during second kernel::
- # cat /sys/kernel/debug/powerpc/fadump_region
- CPU : [0x0000006ffb0000-0x0000006fff001f] 0x40020 bytes, Dumped: 0x40020
- HPTE: [0x0000006fff0020-0x0000006fff101f] 0x1000 bytes, Dumped: 0x1000
- DUMP: [0x0000006fff1020-0x0000007fff101f] 0x10000000 bytes, Dumped: 0x10000000
- : [0x00000010000000-0x0000006ffaffff] 0x5ffb0000 bytes, Dumped: 0x5ffb0000
+ # cat /sys/kernel/debug/powerpc/fadump_region
+ CPU : [0x0000006ffb0000-0x0000006fff001f] 0x40020 bytes, Dumped: 0x40020
+ HPTE: [0x0000006fff0020-0x0000006fff101f] 0x1000 bytes, Dumped: 0x1000
+ DUMP: [0x0000006fff1020-0x0000007fff101f] 0x10000000 bytes, Dumped: 0x10000000
+ : [0x00000010000000-0x0000006ffaffff] 0x5ffb0000 bytes, Dumped: 0x5ffb0000
-NOTE: Please refer to Documentation/filesystems/debugfs.txt on
+NOTE:
+ Please refer to Documentation/filesystems/debugfs.txt on
how to mount the debugfs filesystem.
TODO:
-----
- o Need to come up with the better approach to find out more
+ - Need to come up with the better approach to find out more
accurate boot memory size that is required for a kernel to
boot successfully when booted with restricted memory.
- o The fadump implementation introduces a fadump crash info structure
+ - The fadump implementation introduces a fadump crash info structure
in the scratch area before the ELF core header. The idea of introducing
this structure is to pass some important crash info data to the second
kernel which will help second kernel to populate ELF core header with
@@ -277,7 +281,9 @@ TODO:
design implementation does not address a possibility of introducing
additional fields (in future) to this structure without affecting
compatibility. Need to come up with the better approach to address this.
+
The possible approaches are:
+
1. Introduce version field for version tracking, bump up the version
whenever a new field is added to the structure in future. The version
field can be used to find out what fields are valid for the current
@@ -285,8 +291,11 @@ TODO:
2. Reserve the area of predefined size (say PAGE_SIZE) for this
structure and have unused area as reserved (initialized to zero)
for future field additions.
+
The advantage of approach 1 over 2 is we don't need to reserve extra space.
----
+
Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
+
This document is based on the original documentation written for phyp
+
assisted dump by Linas Vepstas and Manish Ahuja.
diff --git a/Documentation/powerpc/hvcs.txt b/Documentation/powerpc/hvcs.rst
index a730ca5a07f8..6808acde672f 100644
--- a/Documentation/powerpc/hvcs.txt
+++ b/Documentation/powerpc/hvcs.rst
@@ -1,19 +1,22 @@
-===========================================================================
- HVCS
- IBM "Hypervisor Virtual Console Server" Installation Guide
- for Linux Kernel 2.6.4+
- Copyright (C) 2004 IBM Corporation
+===============================================================
+HVCS IBM "Hypervisor Virtual Console Server" Installation Guide
+===============================================================
-===========================================================================
-NOTE:Eight space tabs are the optimum editor setting for reading this file.
-===========================================================================
+for Linux Kernel 2.6.4+
- Author(s) : Ryan S. Arnold <rsa@us.ibm.com>
- Date Created: March, 02, 2004
- Last Changed: August, 24, 2004
+Copyright (C) 2004 IBM Corporation
----------------------------------------------------------------------------
-Table of contents:
+.. ===========================================================================
+.. NOTE:Eight space tabs are the optimum editor setting for reading this file.
+.. ===========================================================================
+
+
+Author(s): Ryan S. Arnold <rsa@us.ibm.com>
+
+Date Created: March, 02, 2004
+Last Changed: August, 24, 2004
+
+.. Table of contents:
1. Driver Introduction:
2. System Requirements
@@ -27,8 +30,8 @@ Table of contents:
8. Questions & Answers:
9. Reporting Bugs:
----------------------------------------------------------------------------
1. Driver Introduction:
+=======================
This is the device driver for the IBM Hypervisor Virtual Console Server,
"hvcs". The IBM hvcs provides a tty driver interface to allow Linux user
@@ -38,8 +41,8 @@ ppc64 system. Physical hardware consoles per partition are not practical
on this hardware so system consoles are accessed by this driver using
firmware interfaces to virtual terminal devices.
----------------------------------------------------------------------------
2. System Requirements:
+=======================
This device driver was written using 2.6.4 Linux kernel APIs and will only
build and run on kernels of this version or later.
@@ -52,8 +55,8 @@ Sysfs must be mounted on the system so that the user can determine which
major and minor numbers are associated with each vty-server. Directions
for sysfs mounting are outside the scope of this document.
----------------------------------------------------------------------------
3. Build Options:
+=================
The hvcs driver registers itself as a tty driver. The tty layer
dynamically allocates a block of major and minor numbers in a quantity
@@ -65,11 +68,11 @@ If the default number of device entries is adequate then this driver can be
built into the kernel. If not, the default can be over-ridden by inserting
the driver as a module with insmod parameters.
----------------------------------------------------------------------------
3.1 Built-in:
+-------------
The following menuconfig example demonstrates selecting to build this
-driver into the kernel.
+driver into the kernel::
Device Drivers --->
Character devices --->
@@ -77,11 +80,11 @@ driver into the kernel.
Begin the kernel make process.
----------------------------------------------------------------------------
3.2 Module:
+-----------
The following menuconfig example demonstrates selecting to build this
-driver as a kernel module.
+driver as a kernel module::
Device Drivers --->
Character devices --->
@@ -89,11 +92,11 @@ driver as a kernel module.
The make process will build the following kernel modules:
- hvcs.ko
- hvcserver.ko
+ - hvcs.ko
+ - hvcserver.ko
To insert the module with the default allocation execute the following
-commands in the order they appear:
+commands in the order they appear::
insmod hvcserver.ko
insmod hvcs.ko
@@ -103,7 +106,7 @@ be inserted first, otherwise the hvcs module will not find some of the
symbols it expects.
To override the default use an insmod parameter as follows (requesting 4
-tty devices as an example):
+tty devices as an example)::
insmod hvcs.ko hvcs_parm_num_devs=4
@@ -115,31 +118,31 @@ source file before building.
NOTE: The length of time it takes to insmod the driver seems to be related
to the number of tty interfaces the registering driver requests.
-In order to remove the driver module execute the following command:
+In order to remove the driver module execute the following command::
rmmod hvcs.ko
The recommended method for installing hvcs as a module is to use depmod to
build a current modules.dep file in /lib/modules/`uname -r` and then
-execute:
+execute::
-modprobe hvcs hvcs_parm_num_devs=4
+ modprobe hvcs hvcs_parm_num_devs=4
The modules.dep file indicates that hvcserver.ko needs to be inserted
before hvcs.ko and modprobe uses this file to smartly insert the modules in
the proper order.
The following modprobe command is used to remove hvcs and hvcserver in the
-proper order:
+proper order::
-modprobe -r hvcs
+ modprobe -r hvcs
----------------------------------------------------------------------------
4. Installation:
+================
The tty layer creates sysfs entries which contain the major and minor
numbers allocated for the hvcs driver. The following snippet of "tree"
-output of the sysfs directory shows where these numbers are presented:
+output of the sysfs directory shows where these numbers are presented::
sys/
|-- *other sysfs base dirs*
@@ -164,7 +167,7 @@ output of the sysfs directory shows where these numbers are presented:
|-- *other sysfs base dirs*
For the above examples the following output is a result of cat'ing the
-"dev" entry in the hvcs directory:
+"dev" entry in the hvcs directory::
Pow5:/sys/class/tty/hvcs0/ # cat dev
254:0
@@ -184,7 +187,7 @@ systems running hvcs will already have the device entries created or udev
will do it automatically.
Given the example output above, to manually create a /dev/hvcs* node entry
-mknod can be used as follows:
+mknod can be used as follows::
mknod /dev/hvcs0 c 254 0
mknod /dev/hvcs1 c 254 1
@@ -195,15 +198,15 @@ Using mknod to manually create the device entries makes these device nodes
persistent. Once created they will exist prior to the driver insmod.
Attempting to connect an application to /dev/hvcs* prior to insertion of
-the hvcs module will result in an error message similar to the following:
+the hvcs module will result in an error message similar to the following::
"/dev/hvcs*: No such device".
NOTE: Just because there is a device node present doesn't mean that there
is a vty-server device configured for that node.
----------------------------------------------------------------------------
5. Connection
+=============
Since this driver controls devices that provide a tty interface a user can
interact with the device node entries using any standard tty-interactive
@@ -249,7 +252,7 @@ vty-server adapter is associated with which /dev/hvcs* node a special sysfs
attribute has been added to each vty-server sysfs entry. This entry is
called "index" and showing it reveals an integer that refers to the
/dev/hvcs* entry to use to connect to that device. For instance cating the
-index attribute of vty-server adapter 30000004 shows the following.
+index attribute of vty-server adapter 30000004 shows the following::
Pow5:/sys/bus/vio/drivers/hvcs/30000004 # cat index
2
@@ -262,8 +265,8 @@ system the /dev/hvcs* entry that interacts with a particular vty-server
adapter is not guaranteed to remain the same across system reboots. Look
in the Q & A section for more on this issue.
----------------------------------------------------------------------------
6. Disconnection
+================
As a security feature to prevent the delivery of stale data to an
unintended target the Power5 system firmware disables the fetching of data
@@ -305,7 +308,7 @@ connection between the vty-server and target vty ONLY if the vterm_state
previously read '1'. The write directive is ignored if the vterm_state
read '0' or if any value other than '0' was written to the vterm_state
attribute. The following example will show the method used for verifying
-the vty-server connection status and disconnecting a vty-server connection.
+the vty-server connection status and disconnecting a vty-server connection::
Pow5:/sys/bus/vio/drivers/hvcs/30000004 # cat vterm_state
1
@@ -318,12 +321,12 @@ the vty-server connection status and disconnecting a vty-server connection.
All vty-server connections are automatically terminated when the device is
hotplug removed and when the module is removed.
----------------------------------------------------------------------------
7. Configuration
+================
Each vty-server has a sysfs entry in the /sys/devices/vio directory, which
is symlinked in several other sysfs tree directories, notably under the
-hvcs driver entry, which looks like the following example:
+hvcs driver entry, which looks like the following example::
Pow5:/sys/bus/vio/drivers/hvcs # ls
. .. 30000003 30000004 rescan
@@ -344,7 +347,7 @@ completed or was never executed.
Vty-server entries in this directory are a 32 bit partition unique unit
address that is created by firmware. An example vty-server sysfs entry
-looks like the following:
+looks like the following::
Pow5:/sys/bus/vio/drivers/hvcs/30000004 # ls
. current_vty devspec name partner_vtys
@@ -352,21 +355,21 @@ looks like the following:
Each entry is provided, by default with a "name" attribute. Reading the
"name" attribute will reveal the device type as shown in the following
-example:
+example::
Pow5:/sys/bus/vio/drivers/hvcs/30000003 # cat name
vty-server
Each entry is also provided, by default, with a "devspec" attribute which
reveals the full device specification when read, as shown in the following
-example:
+example::
Pow5:/sys/bus/vio/drivers/hvcs/30000004 # cat devspec
/vdevice/vty-server@30000004
Each vty-server sysfs dir is provided with two read-only attributes that
provide lists of easily parsed partner vty data: "partner_vtys" and
-"partner_clcs".
+"partner_clcs"::
Pow5:/sys/bus/vio/drivers/hvcs/30000004 # cat partner_vtys
30000000
@@ -396,7 +399,7 @@ A vty-server can only be connected to a single vty at a time. The entry,
read.
The current_vty can be changed by writing a valid partner clc to the entry
-as in the following example:
+as in the following example::
Pow5:/sys/bus/vio/drivers/hvcs/30000004 # echo U5112.428.10304
8A-V4-C0 > current_vty
@@ -408,9 +411,9 @@ currently open connection is freed.
Information on the "vterm_state" attribute was covered earlier on the
chapter entitled "disconnection".
----------------------------------------------------------------------------
8. Questions & Answers:
-===========================================================================
+=======================
+
Q: What are the security concerns involving hvcs?
A: There are three main security concerns:
@@ -429,6 +432,7 @@ A: There are three main security concerns:
partition) will experience the previously logged in session.
---------------------------------------------------------------------------
+
Q: How do I multiplex a console that I grab through hvcs so that other
people can see it:
@@ -440,6 +444,7 @@ term type "screen" to others. This means that curses based programs may
not display properly in screen sessions.
---------------------------------------------------------------------------
+
Q: Why are the colors all messed up?
Q: Why are the control characters acting strange or not working?
Q: Why is the console output all strange and unintelligible?
@@ -455,6 +460,7 @@ disconnect from the console. This will ensure that the next user gets
their own TERM type set when they login.
---------------------------------------------------------------------------
+
Q: When I try to CONNECT kermit to an hvcs device I get:
"Sorry, can't open connection: /dev/hvcs*"What is happening?
@@ -490,6 +496,7 @@ A: There is not a corresponding vty-server device that maps to an existing
/dev/hvcs* entry.
---------------------------------------------------------------------------
+
Q: When I try to CONNECT kermit to an hvcs device I get:
"Sorry, write access to UUCP lockfile directory denied."
@@ -497,6 +504,7 @@ A: The /dev/hvcs* entry you have specified doesn't exist where you said it
does? Maybe you haven't inserted the module (on systems with udev).
---------------------------------------------------------------------------
+
Q: If I already have one Linux partition installed can I use hvcs on said
partition to provide the console for the install of a second Linux
partition?
@@ -505,6 +513,7 @@ A: Yes granted that your are connected to the /dev/hvcs* device using
kermit or cu or some other program that doesn't provide terminal emulation.
---------------------------------------------------------------------------
+
Q: Can I connect to more than one partition's console at a time using this
driver?
@@ -512,6 +521,7 @@ A: Yes. Of course this means that there must be more than one vty-server
configured for this partition and each must point to a disconnected vty.
---------------------------------------------------------------------------
+
Q: Does the hvcs driver support dynamic (hotplug) addition of devices?
A: Yes, if you have dlpar and hotplug enabled for your system and it has
@@ -519,6 +529,7 @@ been built into the kernel the hvcs drivers is configured to dynamically
handle additions of new devices and removals of unused devices.
---------------------------------------------------------------------------
+
Q: For some reason /dev/hvcs* doesn't map to the same vty-server adapter
after a reboot. What happened?
@@ -533,6 +544,7 @@ on how to determine which vty-server goes with which /dev/hvcs* node.
Hint; look at the sysfs "index" attribute for the vty-server.
---------------------------------------------------------------------------
+
Q: Can I use /dev/hvcs* as a conduit to another partition and use a tty
device on that partition as the other end of the pipe?
@@ -554,7 +566,9 @@ read or write to /dev/hvcs*. Now you have a tty conduit between two
partitions.
---------------------------------------------------------------------------
+
9. Reporting Bugs:
+==================
The proper channel for reporting bugs is either through the Linux OS
distribution company that provided your OS or by posting issues to the
diff --git a/Documentation/powerpc/index.rst b/Documentation/powerpc/index.rst
new file mode 100644
index 000000000000..549b1cdd77ae
--- /dev/null
+++ b/Documentation/powerpc/index.rst
@@ -0,0 +1,34 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=======
+powerpc
+=======
+
+.. toctree::
+ :maxdepth: 1
+
+ bootwrapper
+ cpu_families
+ cpu_features
+ cxl
+ cxlflash
+ dawr-power9
+ dscr
+ eeh-pci-error-recovery
+ firmware-assisted-dump
+ hvcs
+ isa-versions
+ mpc52xx
+ pci_iov_resource_on_powernv
+ pmu-ebb
+ ptrace
+ qe_firmware
+ syscall64-abi
+ transactional_memory
+
+.. only:: subproject and html
+
+ Indices
+ =======
+
+ * :ref:`genindex`
diff --git a/Documentation/powerpc/isa-versions.rst b/Documentation/powerpc/isa-versions.rst
index 66c24140ebf1..a363d8c1603c 100644
--- a/Documentation/powerpc/isa-versions.rst
+++ b/Documentation/powerpc/isa-versions.rst
@@ -1,13 +1,12 @@
-:orphan:
-
+==========================
CPU to ISA Version Mapping
==========================
Mapping of some CPU versions to relevant ISA versions.
-========= ====================
+========= ====================================================================
CPU Architecture version
-========= ====================
+========= ====================================================================
Power9 Power ISA v3.0B
Power8 Power ISA v2.07
Power7 Power ISA v2.06
@@ -24,7 +23,7 @@ PPC970 - PowerPC User Instruction Set Architecture Book I v2.01
- PowerPC Virtual Environment Architecture Book II v2.01
- PowerPC Operating Environment Architecture Book III v2.01
- Plus Altivec/VMX ~= 2.03
-========= ====================
+========= ====================================================================
Key Features
@@ -60,9 +59,9 @@ Power5 No
PPC970 No
========== ====
-========== ====================
+========== ====================================
CPU Transactional Memory
-========== ====================
+========== ====================================
Power9 Yes (* see transactional_memory.txt)
Power8 Yes
Power7 No
@@ -73,4 +72,4 @@ Power5++ No
Power5+ No
Power5 No
PPC970 No
-========== ====================
+========== ====================================
diff --git a/Documentation/powerpc/mpc52xx.txt b/Documentation/powerpc/mpc52xx.rst
index 0d540a31ea1a..8676ac63e077 100644
--- a/Documentation/powerpc/mpc52xx.txt
+++ b/Documentation/powerpc/mpc52xx.rst
@@ -1,11 +1,13 @@
+=============================
Linux 2.6.x on MPC52xx family
------------------------------
+=============================
For the latest info, go to http://www.246tNt.com/mpc52xx/
To compile/use :
- - U-Boot:
+ - U-Boot::
+
# <edit Makefile to set ARCH=ppc & CROSS_COMPILE=... ( also EXTRAVERSION
if you wish to ).
# make lite5200_defconfig
@@ -16,7 +18,8 @@ To compile/use :
=> tftpboot 400000 pRamdisk
=> bootm 200000 400000
- - DBug:
+ - DBug::
+
# <edit Makefile to set ARCH=ppc & CROSS_COMPILE=... ( also EXTRAVERSION
if you wish to ).
# make lite5200_defconfig
@@ -28,7 +31,8 @@ To compile/use :
DBug> dn -i zImage.initrd.lite5200
-Some remarks :
+Some remarks:
+
- The port is named mpc52xxx, and config options are PPC_MPC52xx. The MGT5100
is not supported, and I'm not sure anyone is interesting in working on it
so. I didn't took 5xxx because there's apparently a lot of 5xxx that have
diff --git a/Documentation/powerpc/pci_iov_resource_on_powernv.txt b/Documentation/powerpc/pci_iov_resource_on_powernv.rst
index b55c5cd83f8d..f5a5793e1613 100644
--- a/Documentation/powerpc/pci_iov_resource_on_powernv.txt
+++ b/Documentation/powerpc/pci_iov_resource_on_powernv.rst
@@ -1,6 +1,13 @@
+===================================================
+PCI Express I/O Virtualization Resource on Powerenv
+===================================================
+
Wei Yang <weiyang@linux.vnet.ibm.com>
+
Benjamin Herrenschmidt <benh@au1.ibm.com>
+
Bjorn Helgaas <bhelgaas@google.com>
+
26 Aug 2014
This document describes the requirement from hardware for PCI MMIO resource
@@ -10,6 +17,7 @@ Endpoints and the implementation on P8 (IODA2). The next two sections talks
about considerations on enabling SRIOV on IODA2.
1. Introduction to Partitionable Endpoints
+==========================================
A Partitionable Endpoint (PE) is a way to group the various resources
associated with a device or a set of devices to provide isolation between
@@ -35,6 +43,7 @@ is a completely separate HW entity that replicates the entire logic, so has
its own set of PEs, etc.
2. Implementation of Partitionable Endpoints on P8 (IODA2)
+==========================================================
P8 supports up to 256 Partitionable Endpoints per PHB.
@@ -149,6 +158,7 @@ P8 supports up to 256 Partitionable Endpoints per PHB.
sense, but we haven't done it yet.
3. Considerations for SR-IOV on PowerKVM
+========================================
* SR-IOV Background
@@ -224,7 +234,7 @@ P8 supports up to 256 Partitionable Endpoints per PHB.
IODA supports 256 PEs, so segmented windows contain 256 segments, so if
total_VFs is less than 256, we have the situation in Figure 1.0, where
segments [total_VFs, 255] of the M64 window may map to some MMIO range on
- other devices:
+ other devices::
0 1 total_VFs - 1
+------+------+- -+------+------+
@@ -243,7 +253,7 @@ P8 supports up to 256 Partitionable Endpoints per PHB.
Figure 1.0 Direct map VF(n) BAR space
Our current solution is to allocate 256 segments even if the VF(n) BAR
- space doesn't need that much, as shown in Figure 1.1:
+ space doesn't need that much, as shown in Figure 1.1::
0 1 total_VFs - 1 255
+------+------+- -+------+------+- -+------+------+
@@ -269,6 +279,7 @@ P8 supports up to 256 Partitionable Endpoints per PHB.
responds to segments [total_VFs, 255].
4. Implications for the Generic PCI Code
+========================================
The PCIe SR-IOV spec requires that the base of the VF(n) BAR space be
aligned to the size of an individual VF BAR.
diff --git a/Documentation/powerpc/pmu-ebb.txt b/Documentation/powerpc/pmu-ebb.rst
index 73cd163dbfb8..4f474758eb55 100644
--- a/Documentation/powerpc/pmu-ebb.txt
+++ b/Documentation/powerpc/pmu-ebb.rst
@@ -1,3 +1,4 @@
+========================
PMU Event Based Branches
========================
diff --git a/Documentation/powerpc/ptrace.rst b/Documentation/powerpc/ptrace.rst
new file mode 100644
index 000000000000..864d4b6dddd1
--- /dev/null
+++ b/Documentation/powerpc/ptrace.rst
@@ -0,0 +1,156 @@
+======
+Ptrace
+======
+
+GDB intends to support the following hardware debug features of BookE
+processors:
+
+4 hardware breakpoints (IAC)
+2 hardware watchpoints (read, write and read-write) (DAC)
+2 value conditions for the hardware watchpoints (DVC)
+
+For that, we need to extend ptrace so that GDB can query and set these
+resources. Since we're extending, we're trying to create an interface
+that's extendable and that covers both BookE and server processors, so
+that GDB doesn't need to special-case each of them. We added the
+following 3 new ptrace requests.
+
+1. PTRACE_PPC_GETHWDEBUGINFO
+============================
+
+Query for GDB to discover the hardware debug features. The main info to
+be returned here is the minimum alignment for the hardware watchpoints.
+BookE processors don't have restrictions here, but server processors have
+an 8-byte alignment restriction for hardware watchpoints. We'd like to avoid
+adding special cases to GDB based on what it sees in AUXV.
+
+Since we're at it, we added other useful info that the kernel can return to
+GDB: this query will return the number of hardware breakpoints, hardware
+watchpoints and whether it supports a range of addresses and a condition.
+The query will fill the following structure provided by the requesting process::
+
+ struct ppc_debug_info {
+ unit32_t version;
+ unit32_t num_instruction_bps;
+ unit32_t num_data_bps;
+ unit32_t num_condition_regs;
+ unit32_t data_bp_alignment;
+ unit32_t sizeof_condition; /* size of the DVC register */
+ uint64_t features; /* bitmask of the individual flags */
+ };
+
+features will have bits indicating whether there is support for::
+
+ #define PPC_DEBUG_FEATURE_INSN_BP_RANGE 0x1
+ #define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x2
+ #define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x4
+ #define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x8
+ #define PPC_DEBUG_FEATURE_DATA_BP_DAWR 0x10
+
+2. PTRACE_SETHWDEBUG
+
+Sets a hardware breakpoint or watchpoint, according to the provided structure::
+
+ struct ppc_hw_breakpoint {
+ uint32_t version;
+ #define PPC_BREAKPOINT_TRIGGER_EXECUTE 0x1
+ #define PPC_BREAKPOINT_TRIGGER_READ 0x2
+ #define PPC_BREAKPOINT_TRIGGER_WRITE 0x4
+ uint32_t trigger_type; /* only some combinations allowed */
+ #define PPC_BREAKPOINT_MODE_EXACT 0x0
+ #define PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE 0x1
+ #define PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE 0x2
+ #define PPC_BREAKPOINT_MODE_MASK 0x3
+ uint32_t addr_mode; /* address match mode */
+
+ #define PPC_BREAKPOINT_CONDITION_MODE 0x3
+ #define PPC_BREAKPOINT_CONDITION_NONE 0x0
+ #define PPC_BREAKPOINT_CONDITION_AND 0x1
+ #define PPC_BREAKPOINT_CONDITION_EXACT 0x1 /* different name for the same thing as above */
+ #define PPC_BREAKPOINT_CONDITION_OR 0x2
+ #define PPC_BREAKPOINT_CONDITION_AND_OR 0x3
+ #define PPC_BREAKPOINT_CONDITION_BE_ALL 0x00ff0000 /* byte enable bits */
+ #define PPC_BREAKPOINT_CONDITION_BE(n) (1<<((n)+16))
+ uint32_t condition_mode; /* break/watchpoint condition flags */
+
+ uint64_t addr;
+ uint64_t addr2;
+ uint64_t condition_value;
+ };
+
+A request specifies one event, not necessarily just one register to be set.
+For instance, if the request is for a watchpoint with a condition, both the
+DAC and DVC registers will be set in the same request.
+
+With this GDB can ask for all kinds of hardware breakpoints and watchpoints
+that the BookE supports. COMEFROM breakpoints available in server processors
+are not contemplated, but that is out of the scope of this work.
+
+ptrace will return an integer (handle) uniquely identifying the breakpoint or
+watchpoint just created. This integer will be used in the PTRACE_DELHWDEBUG
+request to ask for its removal. Return -ENOSPC if the requested breakpoint
+can't be allocated on the registers.
+
+Some examples of using the structure to:
+
+- set a breakpoint in the first breakpoint register::
+
+ p.version = PPC_DEBUG_CURRENT_VERSION;
+ p.trigger_type = PPC_BREAKPOINT_TRIGGER_EXECUTE;
+ p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
+ p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
+ p.addr = (uint64_t) address;
+ p.addr2 = 0;
+ p.condition_value = 0;
+
+- set a watchpoint which triggers on reads in the second watchpoint register::
+
+ p.version = PPC_DEBUG_CURRENT_VERSION;
+ p.trigger_type = PPC_BREAKPOINT_TRIGGER_READ;
+ p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
+ p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
+ p.addr = (uint64_t) address;
+ p.addr2 = 0;
+ p.condition_value = 0;
+
+- set a watchpoint which triggers only with a specific value::
+
+ p.version = PPC_DEBUG_CURRENT_VERSION;
+ p.trigger_type = PPC_BREAKPOINT_TRIGGER_READ;
+ p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
+ p.condition_mode = PPC_BREAKPOINT_CONDITION_AND | PPC_BREAKPOINT_CONDITION_BE_ALL;
+ p.addr = (uint64_t) address;
+ p.addr2 = 0;
+ p.condition_value = (uint64_t) condition;
+
+- set a ranged hardware breakpoint::
+
+ p.version = PPC_DEBUG_CURRENT_VERSION;
+ p.trigger_type = PPC_BREAKPOINT_TRIGGER_EXECUTE;
+ p.addr_mode = PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE;
+ p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
+ p.addr = (uint64_t) begin_range;
+ p.addr2 = (uint64_t) end_range;
+ p.condition_value = 0;
+
+- set a watchpoint in server processors (BookS)::
+
+ p.version = 1;
+ p.trigger_type = PPC_BREAKPOINT_TRIGGER_RW;
+ p.addr_mode = PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE;
+ or
+ p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
+
+ p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
+ p.addr = (uint64_t) begin_range;
+ /* For PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE addr2 needs to be specified, where
+ * addr2 - addr <= 8 Bytes.
+ */
+ p.addr2 = (uint64_t) end_range;
+ p.condition_value = 0;
+
+3. PTRACE_DELHWDEBUG
+
+Takes an integer which identifies an existing breakpoint or watchpoint
+(i.e., the value returned from PTRACE_SETHWDEBUG), and deletes the
+corresponding breakpoint or watchpoint..
diff --git a/Documentation/powerpc/ptrace.txt b/Documentation/powerpc/ptrace.txt
deleted file mode 100644
index 99c5ce88d0fe..000000000000
--- a/Documentation/powerpc/ptrace.txt
+++ /dev/null
@@ -1,151 +0,0 @@
-GDB intends to support the following hardware debug features of BookE
-processors:
-
-4 hardware breakpoints (IAC)
-2 hardware watchpoints (read, write and read-write) (DAC)
-2 value conditions for the hardware watchpoints (DVC)
-
-For that, we need to extend ptrace so that GDB can query and set these
-resources. Since we're extending, we're trying to create an interface
-that's extendable and that covers both BookE and server processors, so
-that GDB doesn't need to special-case each of them. We added the
-following 3 new ptrace requests.
-
-1. PTRACE_PPC_GETHWDEBUGINFO
-
-Query for GDB to discover the hardware debug features. The main info to
-be returned here is the minimum alignment for the hardware watchpoints.
-BookE processors don't have restrictions here, but server processors have
-an 8-byte alignment restriction for hardware watchpoints. We'd like to avoid
-adding special cases to GDB based on what it sees in AUXV.
-
-Since we're at it, we added other useful info that the kernel can return to
-GDB: this query will return the number of hardware breakpoints, hardware
-watchpoints and whether it supports a range of addresses and a condition.
-The query will fill the following structure provided by the requesting process:
-
-struct ppc_debug_info {
- unit32_t version;
- unit32_t num_instruction_bps;
- unit32_t num_data_bps;
- unit32_t num_condition_regs;
- unit32_t data_bp_alignment;
- unit32_t sizeof_condition; /* size of the DVC register */
- uint64_t features; /* bitmask of the individual flags */
-};
-
-features will have bits indicating whether there is support for:
-
-#define PPC_DEBUG_FEATURE_INSN_BP_RANGE 0x1
-#define PPC_DEBUG_FEATURE_INSN_BP_MASK 0x2
-#define PPC_DEBUG_FEATURE_DATA_BP_RANGE 0x4
-#define PPC_DEBUG_FEATURE_DATA_BP_MASK 0x8
-#define PPC_DEBUG_FEATURE_DATA_BP_DAWR 0x10
-
-2. PTRACE_SETHWDEBUG
-
-Sets a hardware breakpoint or watchpoint, according to the provided structure:
-
-struct ppc_hw_breakpoint {
- uint32_t version;
-#define PPC_BREAKPOINT_TRIGGER_EXECUTE 0x1
-#define PPC_BREAKPOINT_TRIGGER_READ 0x2
-#define PPC_BREAKPOINT_TRIGGER_WRITE 0x4
- uint32_t trigger_type; /* only some combinations allowed */
-#define PPC_BREAKPOINT_MODE_EXACT 0x0
-#define PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE 0x1
-#define PPC_BREAKPOINT_MODE_RANGE_EXCLUSIVE 0x2
-#define PPC_BREAKPOINT_MODE_MASK 0x3
- uint32_t addr_mode; /* address match mode */
-
-#define PPC_BREAKPOINT_CONDITION_MODE 0x3
-#define PPC_BREAKPOINT_CONDITION_NONE 0x0
-#define PPC_BREAKPOINT_CONDITION_AND 0x1
-#define PPC_BREAKPOINT_CONDITION_EXACT 0x1 /* different name for the same thing as above */
-#define PPC_BREAKPOINT_CONDITION_OR 0x2
-#define PPC_BREAKPOINT_CONDITION_AND_OR 0x3
-#define PPC_BREAKPOINT_CONDITION_BE_ALL 0x00ff0000 /* byte enable bits */
-#define PPC_BREAKPOINT_CONDITION_BE(n) (1<<((n)+16))
- uint32_t condition_mode; /* break/watchpoint condition flags */
-
- uint64_t addr;
- uint64_t addr2;
- uint64_t condition_value;
-};
-
-A request specifies one event, not necessarily just one register to be set.
-For instance, if the request is for a watchpoint with a condition, both the
-DAC and DVC registers will be set in the same request.
-
-With this GDB can ask for all kinds of hardware breakpoints and watchpoints
-that the BookE supports. COMEFROM breakpoints available in server processors
-are not contemplated, but that is out of the scope of this work.
-
-ptrace will return an integer (handle) uniquely identifying the breakpoint or
-watchpoint just created. This integer will be used in the PTRACE_DELHWDEBUG
-request to ask for its removal. Return -ENOSPC if the requested breakpoint
-can't be allocated on the registers.
-
-Some examples of using the structure to:
-
-- set a breakpoint in the first breakpoint register
-
- p.version = PPC_DEBUG_CURRENT_VERSION;
- p.trigger_type = PPC_BREAKPOINT_TRIGGER_EXECUTE;
- p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
- p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
- p.addr = (uint64_t) address;
- p.addr2 = 0;
- p.condition_value = 0;
-
-- set a watchpoint which triggers on reads in the second watchpoint register
-
- p.version = PPC_DEBUG_CURRENT_VERSION;
- p.trigger_type = PPC_BREAKPOINT_TRIGGER_READ;
- p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
- p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
- p.addr = (uint64_t) address;
- p.addr2 = 0;
- p.condition_value = 0;
-
-- set a watchpoint which triggers only with a specific value
-
- p.version = PPC_DEBUG_CURRENT_VERSION;
- p.trigger_type = PPC_BREAKPOINT_TRIGGER_READ;
- p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
- p.condition_mode = PPC_BREAKPOINT_CONDITION_AND | PPC_BREAKPOINT_CONDITION_BE_ALL;
- p.addr = (uint64_t) address;
- p.addr2 = 0;
- p.condition_value = (uint64_t) condition;
-
-- set a ranged hardware breakpoint
-
- p.version = PPC_DEBUG_CURRENT_VERSION;
- p.trigger_type = PPC_BREAKPOINT_TRIGGER_EXECUTE;
- p.addr_mode = PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE;
- p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
- p.addr = (uint64_t) begin_range;
- p.addr2 = (uint64_t) end_range;
- p.condition_value = 0;
-
-- set a watchpoint in server processors (BookS)
-
- p.version = 1;
- p.trigger_type = PPC_BREAKPOINT_TRIGGER_RW;
- p.addr_mode = PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE;
- or
- p.addr_mode = PPC_BREAKPOINT_MODE_EXACT;
-
- p.condition_mode = PPC_BREAKPOINT_CONDITION_NONE;
- p.addr = (uint64_t) begin_range;
- /* For PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE addr2 needs to be specified, where
- * addr2 - addr <= 8 Bytes.
- */
- p.addr2 = (uint64_t) end_range;
- p.condition_value = 0;
-
-3. PTRACE_DELHWDEBUG
-
-Takes an integer which identifies an existing breakpoint or watchpoint
-(i.e., the value returned from PTRACE_SETHWDEBUG), and deletes the
-corresponding breakpoint or watchpoint..
diff --git a/Documentation/powerpc/qe_firmware.txt b/Documentation/powerpc/qe_firmware.rst
index e7ac24aec4ff..42f5103140c9 100644
--- a/Documentation/powerpc/qe_firmware.txt
+++ b/Documentation/powerpc/qe_firmware.rst
@@ -1,23 +1,23 @@
- Freescale QUICC Engine Firmware Uploading
- -----------------------------------------
+=========================================
+Freescale QUICC Engine Firmware Uploading
+=========================================
(c) 2007 Timur Tabi <timur at freescale.com>,
Freescale Semiconductor
-Table of Contents
-=================
+.. Table of Contents
- I - Software License for Firmware
+ I - Software License for Firmware
- II - Microcode Availability
+ II - Microcode Availability
- III - Description and Terminology
+ III - Description and Terminology
- IV - Microcode Programming Details
+ IV - Microcode Programming Details
- V - Firmware Structure Layout
+ V - Firmware Structure Layout
- VI - Sample Code for Creating Firmware Files
+ VI - Sample Code for Creating Firmware Files
Revision Information
====================
@@ -39,7 +39,7 @@ http://opensource.freescale.com. For other firmware files, please contact
your Freescale representative or your operating system vendor.
III - Description and Terminology
-================================
+=================================
In this document, the term 'microcode' refers to the sequence of 32-bit
integers that compose the actual QE microcode.
@@ -89,7 +89,7 @@ being fixed in the RAM package utilizing they should be activated. This data
structure signals the microcode which of these virtual traps is active.
This structure contains 6 words that the application should copy to some
-specific been defined. This table describes the structure.
+specific been defined. This table describes the structure::
---------------------------------------------------------------
| Offset in | | Destination Offset | Size of |
@@ -119,7 +119,7 @@ Extended Modes
This is a double word bit array (64 bits) that defines special functionality
which has an impact on the software drivers. Each bit has its own impact
and has special instructions for the s/w associated with it. This structure is
-described in this table:
+described in this table::
-----------------------------------------------------------------------
| Bit # | Name | Description |
@@ -220,7 +220,8 @@ The 'model' field is a 16-bit number that matches the actual SOC. The
'major' and 'minor' fields are the major and minor revision numbers,
respectively, of the SOC.
-For example, to match the 8323, revision 1.0:
+For example, to match the 8323, revision 1.0::
+
soc.model = 8323
soc.major = 1
soc.minor = 0
@@ -273,10 +274,10 @@ library and available to any driver that calles qe_get_firmware_info().
'reserved'.
After the last microcode is a 32-bit CRC. It can be calculated using
-this algorithm:
+this algorithm::
-u32 crc32(const u8 *p, unsigned int len)
-{
+ u32 crc32(const u8 *p, unsigned int len)
+ {
unsigned int i;
u32 crc = 0;
@@ -286,7 +287,7 @@ u32 crc32(const u8 *p, unsigned int len)
crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0);
}
return crc;
-}
+ }
VI - Sample Code for Creating Firmware Files
============================================
diff --git a/Documentation/powerpc/syscall64-abi.txt b/Documentation/powerpc/syscall64-abi.rst
index fa716a0d88bd..e49f69f941b9 100644
--- a/Documentation/powerpc/syscall64-abi.txt
+++ b/Documentation/powerpc/syscall64-abi.rst
@@ -5,12 +5,12 @@ Power Architecture 64-bit Linux system call ABI
syscall
=======
-syscall calling sequence[*] matches the Power Architecture 64-bit ELF ABI
+syscall calling sequence\ [1]_ matches the Power Architecture 64-bit ELF ABI
specification C function calling sequence, including register preservation
rules, with the following differences.
-[*] Some syscalls (typically low-level management functions) may have
- different calling sequences (e.g., rt_sigreturn).
+.. [1] Some syscalls (typically low-level management functions) may have
+ different calling sequences (e.g., rt_sigreturn).
Parameters and return value
---------------------------
@@ -33,12 +33,14 @@ Register preservation rules
Register preservation rules match the ELF ABI calling sequence with the
following differences:
-r0: Volatile. (System call number.)
-r3: Volatile. (Parameter 1, and return value.)
-r4-r8: Volatile. (Parameters 2-6.)
-cr0: Volatile (cr0.SO is the return error condition)
-cr1, cr5-7: Nonvolatile.
-lr: Nonvolatile.
+=========== ============= ========================================
+r0 Volatile (System call number.)
+r3 Volatile (Parameter 1, and return value.)
+r4-r8 Volatile (Parameters 2-6.)
+cr0 Volatile (cr0.SO is the return error condition)
+cr1, cr5-7 Nonvolatile
+lr Nonvolatile
+=========== ============= ========================================
All floating point and vector data registers as well as control and status
registers are nonvolatile.
@@ -90,9 +92,12 @@ The vsyscall may or may not use the caller's stack frame save areas.
Register preservation rules
---------------------------
-r0: Volatile.
-cr1, cr5-7: Volatile.
-lr: Volatile.
+
+=========== ========
+r0 Volatile
+cr1, cr5-7 Volatile
+lr Volatile
+=========== ========
Invocation
----------
diff --git a/Documentation/powerpc/transactional_memory.txt b/Documentation/powerpc/transactional_memory.rst
index 52c023e14f26..09955103acb4 100644
--- a/Documentation/powerpc/transactional_memory.txt
+++ b/Documentation/powerpc/transactional_memory.rst
@@ -1,3 +1,4 @@
+============================
Transactional Memory support
============================
@@ -17,29 +18,29 @@ instructions are presented to delimit transactions; transactions are
guaranteed to either complete atomically or roll back and undo any partial
changes.
-A simple transaction looks like this:
+A simple transaction looks like this::
-begin_move_money:
- tbegin
- beq abort_handler
+ begin_move_money:
+ tbegin
+ beq abort_handler
- ld r4, SAVINGS_ACCT(r3)
- ld r5, CURRENT_ACCT(r3)
- subi r5, r5, 1
- addi r4, r4, 1
- std r4, SAVINGS_ACCT(r3)
- std r5, CURRENT_ACCT(r3)
+ ld r4, SAVINGS_ACCT(r3)
+ ld r5, CURRENT_ACCT(r3)
+ subi r5, r5, 1
+ addi r4, r4, 1
+ std r4, SAVINGS_ACCT(r3)
+ std r5, CURRENT_ACCT(r3)
- tend
+ tend
- b continue
+ b continue
-abort_handler:
- ... test for odd failures ...
+ abort_handler:
+ ... test for odd failures ...
- /* Retry the transaction if it failed because it conflicted with
- * someone else: */
- b begin_move_money
+ /* Retry the transaction if it failed because it conflicted with
+ * someone else: */
+ b begin_move_money
The 'tbegin' instruction denotes the start point, and 'tend' the end point.
@@ -123,7 +124,7 @@ Transaction-aware signal handlers can read the transactional register state
from the second ucontext. This will be necessary for crash handlers to
determine, for example, the address of the instruction causing the SIGSEGV.
-Example signal handler:
+Example signal handler::
void crash_handler(int sig, siginfo_t *si, void *uc)
{
@@ -133,9 +134,9 @@ Example signal handler:
if (ucp_link) {
u64 msr = ucp->uc_mcontext.regs->msr;
/* May have transactional ucontext! */
-#ifndef __powerpc64__
+ #ifndef __powerpc64__
msr |= ((u64)transactional_ucp->uc_mcontext.regs->msr) << 32;
-#endif
+ #endif
if (MSR_TM_ACTIVE(msr)) {
/* Yes, we crashed during a transaction. Oops. */
fprintf(stderr, "Transaction to be restarted at 0x%llx, but "
@@ -176,6 +177,7 @@ Failure cause codes used by kernel
These are defined in <asm/reg.h>, and distinguish different reasons why the
kernel aborted a transaction:
+ ====================== ================================
TM_CAUSE_RESCHED Thread was rescheduled.
TM_CAUSE_TLBI Software TLB invalid.
TM_CAUSE_FAC_UNAV FP/VEC/VSX unavailable trap.
@@ -184,6 +186,7 @@ kernel aborted a transaction:
TM_CAUSE_MISC Currently unused.
TM_CAUSE_ALIGNMENT Alignment fault.
TM_CAUSE_EMULATE Emulation that touched memory.
+ ====================== ================================
These can be checked by the user program's abort handler as TEXASR[0:7]. If
bit 7 is set, it indicates that the error is consider persistent. For example
@@ -203,7 +206,7 @@ POWER9
======
TM on POWER9 has issues with storing the complete register state. This
-is described in this commit:
+is described in this commit::
commit 4bb3c7a0208fc13ca70598efd109901a7cd45ae7
Author: Paul Mackerras <paulus@ozlabs.org>
diff --git a/Documentation/process/conf.py b/Documentation/process/conf.py
deleted file mode 100644
index 1b01a80ad9ce..000000000000
--- a/Documentation/process/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = 'Linux Kernel Development Documentation'
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'process.tex', 'Linux Kernel Development Documentation',
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst
index 49e0f64a3427..053b24a6dd38 100644
--- a/Documentation/process/deprecated.rst
+++ b/Documentation/process/deprecated.rst
@@ -119,3 +119,17 @@ array may exceed the remaining memory in the stack segment. This could
lead to a crash, possible overwriting sensitive contents at the end of the
stack (when built without `CONFIG_THREAD_INFO_IN_TASK=y`), or overwriting
memory adjacent to the stack (when built without `CONFIG_VMAP_STACK=y`)
+
+Implicit switch case fall-through
+---------------------------------
+The C language allows switch cases to "fall through" when
+a "break" statement is missing at the end of a case. This,
+however, introduces ambiguity in the code, as it's not always
+clear if the missing break is intentional or a bug. As there
+have been a long list of flaws `due to missing "break" statements
+<https://cwe.mitre.org/data/definitions/484.html>`_, we no longer allow
+"implicit fall-through". In order to identify an intentional fall-through
+case, we have adopted the marking used by static analyzers: a comment
+saying `/* Fall through */`. Once the C++17 `__attribute__((fallthrough))`
+is more widely handled by C compilers, static analyzers, and IDEs, we can
+switch to using that instead.
diff --git a/Documentation/s390/vfio-ccw.rst b/Documentation/s390/vfio-ccw.rst
index 1e210c6afa88..fca9c4f5bd9c 100644
--- a/Documentation/s390/vfio-ccw.rst
+++ b/Documentation/s390/vfio-ccw.rst
@@ -180,6 +180,13 @@ The process of how these work together.
add it to an iommu_group and a vfio_group. Then we could pass through
the mdev to a guest.
+
+VFIO-CCW Regions
+----------------
+
+The vfio-ccw driver exposes MMIO regions to accept requests from and return
+results to userspace.
+
vfio-ccw I/O region
-------------------
@@ -205,6 +212,25 @@ irb_area stores the I/O result.
ret_code stores a return code for each access of the region.
+This region is always available.
+
+vfio-ccw cmd region
+-------------------
+
+The vfio-ccw cmd region is used to accept asynchronous instructions
+from userspace::
+
+ #define VFIO_CCW_ASYNC_CMD_HSCH (1 << 0)
+ #define VFIO_CCW_ASYNC_CMD_CSCH (1 << 1)
+ struct ccw_cmd_region {
+ __u32 command;
+ __u32 ret_code;
+ } __packed;
+
+This region is exposed via region type VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD.
+
+Currently, CLEAR SUBCHANNEL and HALT SUBCHANNEL use this region.
+
vfio-ccw operation details
--------------------------
@@ -306,9 +332,8 @@ Together with the corresponding work in QEMU, we can bring the passed
through DASD/ECKD device online in a guest now and use it as a block
device.
-While the current code allows the guest to start channel programs via
-START SUBCHANNEL, support for HALT SUBCHANNEL or CLEAR SUBCHANNEL is
-not yet implemented.
+The current code allows the guest to start channel programs via
+START SUBCHANNEL, and to issue HALT SUBCHANNEL and CLEAR SUBCHANNEL.
vfio-ccw supports classic (command mode) channel I/O only. Transport
mode (HPF) is not supported.
diff --git a/Documentation/sh/conf.py b/Documentation/sh/conf.py
deleted file mode 100644
index 1eb684a13ac8..000000000000
--- a/Documentation/sh/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "SuperH architecture implementation manual"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'sh.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/sound/conf.py b/Documentation/sound/conf.py
deleted file mode 100644
index 3f1fc5e74e7b..000000000000
--- a/Documentation/sound/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Linux Sound Subsystem Documentation"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'sound.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/sphinx/load_config.py b/Documentation/sphinx/load_config.py
index 301a21aa4f63..eeb394b39e2c 100644
--- a/Documentation/sphinx/load_config.py
+++ b/Documentation/sphinx/load_config.py
@@ -21,6 +21,29 @@ def loadConfig(namespace):
and os.path.normpath(namespace["__file__"]) != os.path.normpath(config_file) ):
config_file = os.path.abspath(config_file)
+ # Let's avoid one conf.py file just due to latex_documents
+ start = config_file.find('Documentation/')
+ if start >= 0:
+ start = config_file.find('/', start + 1)
+
+ end = config_file.rfind('/')
+ if start >= 0 and end > 0:
+ dir = config_file[start + 1:end]
+
+ print("source directory: %s" % dir)
+ new_latex_docs = []
+ latex_documents = namespace['latex_documents']
+
+ for l in latex_documents:
+ if l[0].find(dir + '/') == 0:
+ has = True
+ fn = l[0][len(dir) + 1:]
+ new_latex_docs.append((fn, l[1], l[2], l[3], l[4]))
+ break
+
+ namespace['latex_documents'] = new_latex_docs
+
+ # If there is an extra conf.py file, load it
if os.path.isfile(config_file):
sys.stdout.write("load additional sphinx-config: %s\n" % config_file)
config = namespace.copy()
@@ -29,4 +52,6 @@ def loadConfig(namespace):
del config['__file__']
namespace.update(config)
else:
- sys.stderr.write("WARNING: additional sphinx-config not found: %s\n" % config_file)
+ config = namespace.copy()
+ config['tags'].add("subproject")
+ namespace.update(config)
diff --git a/Documentation/translations/it_IT/doc-guide/sphinx.rst b/Documentation/translations/it_IT/doc-guide/sphinx.rst
index 1739cba8863e..f1ad4504b734 100644
--- a/Documentation/translations/it_IT/doc-guide/sphinx.rst
+++ b/Documentation/translations/it_IT/doc-guide/sphinx.rst
@@ -242,8 +242,9 @@ del kernel:
* Per inserire blocchi di testo con caratteri a dimensione fissa (codici di
esempio, casi d'uso, eccetera): utilizzate ``::`` quando non è necessario
evidenziare la sintassi, specialmente per piccoli frammenti; invece,
- utilizzate ``.. code-block:: <language>`` per blocchi di più lunghi che
- potranno beneficiare dell'avere la sintassi evidenziata.
+ utilizzate ``.. code-block:: <language>`` per blocchi più lunghi che
+ beneficeranno della sintassi evidenziata. Per un breve pezzo di codice da
+ inserire nel testo, usate \`\`.
Il dominio C
@@ -267,12 +268,14 @@ molto comune come ``open`` o ``ioctl``:
Il nome della funzione (per esempio ioctl) rimane nel testo ma il nome del suo
riferimento cambia da ``ioctl`` a ``VIDIOC_LOG_STATUS``. Anche la voce
-nell'indice cambia in ``VIDIOC_LOG_STATUS`` e si potrà quindi fare riferimento
-a questa funzione scrivendo:
-
-.. code-block:: rst
-
- :c:func:`VIDIOC_LOG_STATUS`
+nell'indice cambia in ``VIDIOC_LOG_STATUS``.
+
+Notate che per una funzione non c'è bisogno di usare ``c:func:`` per generarne
+i riferimenti nella documentazione. Grazie a qualche magica estensione a
+Sphinx, il sistema di generazione della documentazione trasformerà
+automaticamente un riferimento ad una ``funzione()`` in un riferimento
+incrociato quando questa ha una voce nell'indice. Se trovate degli usi di
+``c:func:`` nella documentazione del kernel, sentitevi liberi di rimuoverli.
Tabelle a liste
diff --git a/Documentation/translations/it_IT/process/index.rst b/Documentation/translations/it_IT/process/index.rst
index 2eda85d5cd1e..012de0f3154a 100644
--- a/Documentation/translations/it_IT/process/index.rst
+++ b/Documentation/translations/it_IT/process/index.rst
@@ -27,6 +27,7 @@ Di seguito le guide che ogni sviluppatore dovrebbe leggere.
code-of-conduct
development-process
submitting-patches
+ programming-language
coding-style
maintainer-pgp-guide
email-clients
diff --git a/Documentation/translations/it_IT/process/kernel-docs.rst b/Documentation/translations/it_IT/process/kernel-docs.rst
index 7bd70d661737..38e0a955121a 100644
--- a/Documentation/translations/it_IT/process/kernel-docs.rst
+++ b/Documentation/translations/it_IT/process/kernel-docs.rst
@@ -1,6 +1,7 @@
.. include:: ../disclaimer-ita.rst
:Original: :ref:`Documentation/process/kernel-docs.rst <kernel_docs>`
+:Translator: Federico Vaga <federico.vaga@vaga.pv.it>
.. _it_kernel_docs:
@@ -8,6 +9,10 @@
Indice di documenti per le persone interessate a capire e/o scrivere per il kernel Linux
========================================================================================
-.. warning::
-
- TODO ancora da tradurre
+.. note::
+ Questo documento contiene riferimenti a documenti in lingua inglese; inoltre
+ utilizza dai campi *ReStructuredText* di supporto alla ricerca e che per
+ questo motivo è meglio non tradurre al fine di garantirne un corretto
+ utilizzo.
+ Per questi motivi il documento non verrà tradotto. Per favore fate
+ riferimento al documento originale in lingua inglese.
diff --git a/Documentation/translations/it_IT/process/maintainer-pgp-guide.rst b/Documentation/translations/it_IT/process/maintainer-pgp-guide.rst
index 276db0e37f43..118fb4153e8f 100644
--- a/Documentation/translations/it_IT/process/maintainer-pgp-guide.rst
+++ b/Documentation/translations/it_IT/process/maintainer-pgp-guide.rst
@@ -248,7 +248,10 @@ possano ricevere la vostra nuova sottochiave::
kernel.
Se per qualche ragione preferite rimanere con sottochiavi RSA, nel comando
- precedente, sostituite "ed25519" con "rsa2048".
+ precedente, sostituite "ed25519" con "rsa2048". In aggiunta, se avete
+ intenzione di usare un dispositivo hardware che non supporta le chiavi
+ ED25519 ECC, come la Nitrokey Pro o la Yubikey, allora dovreste usare
+ "nistp256" al posto di "ed25519".
Copia di riserva della chiave primaria per gestire il recupero da disastro
--------------------------------------------------------------------------
@@ -449,23 +452,27 @@ implementi le funzionalità delle smartcard. Sul mercato ci sono diverse
soluzioni disponibili:
- `Nitrokey Start`_: è Open hardware e Free Software, è basata sul progetto
- `GnuK`_ della FSIJ. Ha il supporto per chiavi ECC, ma meno funzionalità di
- sicurezza (come la resistenza alla manomissione o alcuni attacchi ad un
- canale laterale).
+ `GnuK`_ della FSIJ. Questo è uno dei pochi dispositivi a supportare le chiavi
+ ECC ED25519, ma offre meno funzionalità di sicurezza (come la resistenza
+ alla manomissione o alcuni attacchi ad un canale laterale).
- `Nitrokey Pro`_: è simile alla Nitrokey Start, ma è più resistente alla
- manomissione e offre più funzionalità di sicurezza, ma l'ECC.
-- `Yubikey 4`_: l'hardware e il software sono proprietari, ma è più economica
+ manomissione e offre più funzionalità di sicurezza. La Pro 2 supporta la
+ crittografia ECC (NISTP).
+- `Yubikey 5`_: l'hardware e il software sono proprietari, ma è più economica
della Nitrokey Pro ed è venduta anche con porta USB-C il che è utile con i
computer portatili più recenti. In aggiunta, offre altre funzionalità di
- sicurezza come FIDO, U2F, ma non l'ECC
+ sicurezza come FIDO, U2F, e ora supporta anche le chiavi ECC (NISTP)
`Su LWN c'è una buona recensione`_ dei modelli elencati qui sopra e altri.
+La scelta dipenderà dal costo, dalla disponibilità nella vostra area
+geografica e vostre considerazioni sull'hardware aperto/proprietario.
+
Se volete usare chiavi ECC, la vostra migliore scelta sul mercato è la
Nitrokey Start.
.. _`Nitrokey Start`: https://shop.nitrokey.com/shop/product/nitrokey-start-6
-.. _`Nitrokey Pro`: https://shop.nitrokey.com/shop/product/nitrokey-pro-3
-.. _`Yubikey 4`: https://www.yubico.com/product/yubikey-4-series/
+.. _`Nitrokey Pro 2`: https://shop.nitrokey.com/shop/product/nitrokey-pro-2-3
+.. _`Yubikey 5`: https://www.yubico.com/product/yubikey-5-overview/
.. _Gnuk: http://www.fsij.org/doc-gnuk/
.. _`Su LWN c'è una buona recensione`: https://lwn.net/Articles/736231/
diff --git a/Documentation/translations/it_IT/process/programming-language.rst b/Documentation/translations/it_IT/process/programming-language.rst
new file mode 100644
index 000000000000..f4b006395849
--- /dev/null
+++ b/Documentation/translations/it_IT/process/programming-language.rst
@@ -0,0 +1,51 @@
+.. include:: ../disclaimer-ita.rst
+
+:Original: :ref:`Documentation/process/programming-language.rst <programming_language>`
+:Translator: Federico Vaga <federico.vaga@vaga.pv.it>
+
+.. _it_programming_language:
+
+Linguaggio di programmazione
+============================
+
+Il kernel è scritto nel linguaggio di programmazione C [c-language]_.
+Più precisamente, il kernel viene compilato con ``gcc`` [gcc]_ usando
+l'opzione ``-std=gnu89`` [gcc-c-dialect-options]_: il dialetto GNU
+dello standard ISO C90 (con l'aggiunta di alcune funzionalità da C99)
+
+Questo dialetto contiene diverse estensioni al linguaggio [gnu-extensions]_,
+e molte di queste vengono usate sistematicamente dal kernel.
+
+Il kernel offre un certo livello di supporto per la compilazione con ``clang``
+[clang]_ e ``icc`` [icc]_ su diverse architetture, tuttavia in questo momento
+il supporto non è completo e richiede delle patch aggiuntive.
+
+Attributi
+---------
+
+Una delle estensioni più comuni e usate nel kernel sono gli attributi
+[gcc-attribute-syntax]_. Gli attributi permettono di aggiungere una semantica,
+definita dell'implementazione, alle entità del linguaggio (come le variabili,
+le funzioni o i tipi) senza dover fare importanti modifiche sintattiche al
+linguaggio stesso (come l'aggiunta di nuove parole chiave) [n2049]_.
+
+In alcuni casi, gli attributi sono opzionali (ovvero un compilatore che non
+dovesse supportarli dovrebbe produrre comunque codice corretto, anche se
+più lento o che non esegue controlli aggiuntivi durante la compilazione).
+
+Il kernel definisce alcune pseudo parole chiave (per esempio ``__pure``)
+in alternativa alla sintassi GNU per gli attributi (per esempio
+``__attribute__((__pure__))``) allo scopo di mostrare quali funzionalità si
+possono usare e/o per accorciare il codice.
+
+Per maggiori informazioni consultate il file d'intestazione
+``include/linux/compiler_attributes.h``.
+
+.. [c-language] http://www.open-std.org/jtc1/sc22/wg14/www/standards
+.. [gcc] https://gcc.gnu.org
+.. [clang] https://clang.llvm.org
+.. [icc] https://software.intel.com/en-us/c-compilers
+.. [gcc-c-dialect-options] https://gcc.gnu.org/onlinedocs/gcc/C-Dialect-Options.html
+.. [gnu-extensions] https://gcc.gnu.org/onlinedocs/gcc/C-Extensions.html
+.. [gcc-attribute-syntax] https://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html
+.. [n2049] http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2049.pdf
diff --git a/Documentation/translations/ko_KR/memory-barriers.txt b/Documentation/translations/ko_KR/memory-barriers.txt
index a33c2a536542..2774624ee843 100644
--- a/Documentation/translations/ko_KR/memory-barriers.txt
+++ b/Documentation/translations/ko_KR/memory-barriers.txt
@@ -569,7 +569,7 @@ ACQUIRE 는 해당 오퍼레이션의 로드 부분에만 적용되고 RELEASE
[*] 버스 마스터링 DMA 와 일관성에 대해서는 다음을 참고하시기 바랍니다:
- Documentation/PCI/pci.rst
+ Documentation/driver-api/pci/pci.rst
Documentation/DMA-API-HOWTO.txt
Documentation/DMA-API.txt
diff --git a/Documentation/userspace-api/conf.py b/Documentation/userspace-api/conf.py
deleted file mode 100644
index 2eaf59f844e5..000000000000
--- a/Documentation/userspace-api/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "The Linux kernel user-space API guide"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'userspace-api.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/virtual/index.rst b/Documentation/virt/index.rst
index 062ffb527043..062ffb527043 100644
--- a/Documentation/virtual/index.rst
+++ b/Documentation/virt/index.rst
diff --git a/Documentation/virtual/kvm/amd-memory-encryption.rst b/Documentation/virt/kvm/amd-memory-encryption.rst
index d18c97b4e140..d18c97b4e140 100644
--- a/Documentation/virtual/kvm/amd-memory-encryption.rst
+++ b/Documentation/virt/kvm/amd-memory-encryption.rst
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virt/kvm/api.txt
index e54a3f51ddc5..2d067767b617 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virt/kvm/api.txt
@@ -3781,7 +3781,7 @@ encrypted VMs.
Currently, this ioctl is used for issuing Secure Encrypted Virtualization
(SEV) commands on AMD Processors. The SEV commands are defined in
-Documentation/virtual/kvm/amd-memory-encryption.rst.
+Documentation/virt/kvm/amd-memory-encryption.rst.
4.111 KVM_MEMORY_ENCRYPT_REG_REGION
diff --git a/Documentation/virtual/kvm/arm/hyp-abi.txt b/Documentation/virt/kvm/arm/hyp-abi.txt
index a20a0bee268d..a20a0bee268d 100644
--- a/Documentation/virtual/kvm/arm/hyp-abi.txt
+++ b/Documentation/virt/kvm/arm/hyp-abi.txt
diff --git a/Documentation/virtual/kvm/arm/psci.txt b/Documentation/virt/kvm/arm/psci.txt
index 559586fc9d37..559586fc9d37 100644
--- a/Documentation/virtual/kvm/arm/psci.txt
+++ b/Documentation/virt/kvm/arm/psci.txt
diff --git a/Documentation/virtual/kvm/cpuid.rst b/Documentation/virt/kvm/cpuid.rst
index 01b081f6e7ea..01b081f6e7ea 100644
--- a/Documentation/virtual/kvm/cpuid.rst
+++ b/Documentation/virt/kvm/cpuid.rst
diff --git a/Documentation/virtual/kvm/devices/README b/Documentation/virt/kvm/devices/README
index 34a69834124a..34a69834124a 100644
--- a/Documentation/virtual/kvm/devices/README
+++ b/Documentation/virt/kvm/devices/README
diff --git a/Documentation/virtual/kvm/devices/arm-vgic-its.txt b/Documentation/virt/kvm/devices/arm-vgic-its.txt
index eeaa95b893a8..eeaa95b893a8 100644
--- a/Documentation/virtual/kvm/devices/arm-vgic-its.txt
+++ b/Documentation/virt/kvm/devices/arm-vgic-its.txt
diff --git a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt b/Documentation/virt/kvm/devices/arm-vgic-v3.txt
index ff290b43c8e5..ff290b43c8e5 100644
--- a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt
+++ b/Documentation/virt/kvm/devices/arm-vgic-v3.txt
diff --git a/Documentation/virtual/kvm/devices/arm-vgic.txt b/Documentation/virt/kvm/devices/arm-vgic.txt
index 97b6518148f8..97b6518148f8 100644
--- a/Documentation/virtual/kvm/devices/arm-vgic.txt
+++ b/Documentation/virt/kvm/devices/arm-vgic.txt
diff --git a/Documentation/virtual/kvm/devices/mpic.txt b/Documentation/virt/kvm/devices/mpic.txt
index 8257397adc3c..8257397adc3c 100644
--- a/Documentation/virtual/kvm/devices/mpic.txt
+++ b/Documentation/virt/kvm/devices/mpic.txt
diff --git a/Documentation/virtual/kvm/devices/s390_flic.txt b/Documentation/virt/kvm/devices/s390_flic.txt
index a4e20a090174..a4e20a090174 100644
--- a/Documentation/virtual/kvm/devices/s390_flic.txt
+++ b/Documentation/virt/kvm/devices/s390_flic.txt
diff --git a/Documentation/virtual/kvm/devices/vcpu.txt b/Documentation/virt/kvm/devices/vcpu.txt
index 2b5dab16c4f2..2b5dab16c4f2 100644
--- a/Documentation/virtual/kvm/devices/vcpu.txt
+++ b/Documentation/virt/kvm/devices/vcpu.txt
diff --git a/Documentation/virtual/kvm/devices/vfio.txt b/Documentation/virt/kvm/devices/vfio.txt
index 528c77c8022c..528c77c8022c 100644
--- a/Documentation/virtual/kvm/devices/vfio.txt
+++ b/Documentation/virt/kvm/devices/vfio.txt
diff --git a/Documentation/virtual/kvm/devices/vm.txt b/Documentation/virt/kvm/devices/vm.txt
index 4ffb82b02468..4ffb82b02468 100644
--- a/Documentation/virtual/kvm/devices/vm.txt
+++ b/Documentation/virt/kvm/devices/vm.txt
diff --git a/Documentation/virtual/kvm/devices/xics.txt b/Documentation/virt/kvm/devices/xics.txt
index 42864935ac5d..42864935ac5d 100644
--- a/Documentation/virtual/kvm/devices/xics.txt
+++ b/Documentation/virt/kvm/devices/xics.txt
diff --git a/Documentation/virtual/kvm/devices/xive.txt b/Documentation/virt/kvm/devices/xive.txt
index 9a24a4525253..9a24a4525253 100644
--- a/Documentation/virtual/kvm/devices/xive.txt
+++ b/Documentation/virt/kvm/devices/xive.txt
diff --git a/Documentation/virtual/kvm/halt-polling.txt b/Documentation/virt/kvm/halt-polling.txt
index 4f791b128dd2..4f791b128dd2 100644
--- a/Documentation/virtual/kvm/halt-polling.txt
+++ b/Documentation/virt/kvm/halt-polling.txt
diff --git a/Documentation/virtual/kvm/hypercalls.txt b/Documentation/virt/kvm/hypercalls.txt
index da210651f714..5f6d291bd004 100644
--- a/Documentation/virtual/kvm/hypercalls.txt
+++ b/Documentation/virt/kvm/hypercalls.txt
@@ -18,7 +18,7 @@ S390:
number in R1.
For further information on the S390 diagnose call as supported by KVM,
- refer to Documentation/virtual/kvm/s390-diag.txt.
+ refer to Documentation/virt/kvm/s390-diag.txt.
PowerPC:
It uses R3-R10 and hypercall number in R11. R4-R11 are used as output registers.
@@ -26,7 +26,7 @@ S390:
KVM hypercalls uses 4 byte opcode, that are patched with 'hypercall-instructions'
property inside the device tree's /hypervisor node.
- For more information refer to Documentation/virtual/kvm/ppc-pv.txt
+ For more information refer to Documentation/virt/kvm/ppc-pv.txt
MIPS:
KVM hypercalls use the HYPCALL instruction with code 0 and the hypercall
diff --git a/Documentation/virtual/kvm/index.rst b/Documentation/virt/kvm/index.rst
index 0b206a06f5be..ada224a511fe 100644
--- a/Documentation/virtual/kvm/index.rst
+++ b/Documentation/virt/kvm/index.rst
@@ -9,3 +9,4 @@ KVM
amd-memory-encryption
cpuid
+ vcpu-requests
diff --git a/Documentation/virtual/kvm/locking.txt b/Documentation/virt/kvm/locking.txt
index 635cd6eaf714..635cd6eaf714 100644
--- a/Documentation/virtual/kvm/locking.txt
+++ b/Documentation/virt/kvm/locking.txt
diff --git a/Documentation/virtual/kvm/mmu.txt b/Documentation/virt/kvm/mmu.txt
index 2efe0efc516e..1b9880dfba0a 100644
--- a/Documentation/virtual/kvm/mmu.txt
+++ b/Documentation/virt/kvm/mmu.txt
@@ -298,7 +298,7 @@ Handling a page fault is performed as follows:
vcpu->arch.mmio_gfn, and call the emulator
- If both P bit and R/W bit of error code are set, this could possibly
be handled as a "fast page fault" (fixed without taking the MMU lock). See
- the description in Documentation/virtual/kvm/locking.txt.
+ the description in Documentation/virt/kvm/locking.txt.
- if needed, walk the guest page tables to determine the guest translation
(gva->gpa or ngpa->gpa)
- if permissions are insufficient, reflect the fault back to the guest
diff --git a/Documentation/virtual/kvm/msr.txt b/Documentation/virt/kvm/msr.txt
index df1f4338b3ca..df1f4338b3ca 100644
--- a/Documentation/virtual/kvm/msr.txt
+++ b/Documentation/virt/kvm/msr.txt
diff --git a/Documentation/virtual/kvm/nested-vmx.txt b/Documentation/virt/kvm/nested-vmx.txt
index 97eb1353e962..97eb1353e962 100644
--- a/Documentation/virtual/kvm/nested-vmx.txt
+++ b/Documentation/virt/kvm/nested-vmx.txt
diff --git a/Documentation/virtual/kvm/ppc-pv.txt b/Documentation/virt/kvm/ppc-pv.txt
index e26115ce4258..e26115ce4258 100644
--- a/Documentation/virtual/kvm/ppc-pv.txt
+++ b/Documentation/virt/kvm/ppc-pv.txt
diff --git a/Documentation/virtual/kvm/review-checklist.txt b/Documentation/virt/kvm/review-checklist.txt
index a83b27635fdd..499af499e296 100644
--- a/Documentation/virtual/kvm/review-checklist.txt
+++ b/Documentation/virt/kvm/review-checklist.txt
@@ -7,7 +7,7 @@ Review checklist for kvm patches
2. Patches should be against kvm.git master branch.
3. If the patch introduces or modifies a new userspace API:
- - the API must be documented in Documentation/virtual/kvm/api.txt
+ - the API must be documented in Documentation/virt/kvm/api.txt
- the API must be discoverable using KVM_CHECK_EXTENSION
4. New state must include support for save/restore.
diff --git a/Documentation/virtual/kvm/s390-diag.txt b/Documentation/virt/kvm/s390-diag.txt
index 7c52e5f8b210..7c52e5f8b210 100644
--- a/Documentation/virtual/kvm/s390-diag.txt
+++ b/Documentation/virt/kvm/s390-diag.txt
diff --git a/Documentation/virtual/kvm/timekeeping.txt b/Documentation/virt/kvm/timekeeping.txt
index 76808a17ad84..76808a17ad84 100644
--- a/Documentation/virtual/kvm/timekeeping.txt
+++ b/Documentation/virt/kvm/timekeeping.txt
diff --git a/Documentation/virtual/kvm/vcpu-requests.rst b/Documentation/virt/kvm/vcpu-requests.rst
index 5feb3706a7ae..5feb3706a7ae 100644
--- a/Documentation/virtual/kvm/vcpu-requests.rst
+++ b/Documentation/virt/kvm/vcpu-requests.rst
diff --git a/Documentation/virtual/paravirt_ops.rst b/Documentation/virt/paravirt_ops.rst
index 6b789d27cead..6b789d27cead 100644
--- a/Documentation/virtual/paravirt_ops.rst
+++ b/Documentation/virt/paravirt_ops.rst
diff --git a/Documentation/virtual/uml/UserModeLinux-HOWTO.txt b/Documentation/virt/uml/UserModeLinux-HOWTO.txt
index 87b80f589e1c..87b80f589e1c 100644
--- a/Documentation/virtual/uml/UserModeLinux-HOWTO.txt
+++ b/Documentation/virt/uml/UserModeLinux-HOWTO.txt
diff --git a/Documentation/vm/conf.py b/Documentation/vm/conf.py
deleted file mode 100644
index 3b0b601af558..000000000000
--- a/Documentation/vm/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "Linux Memory Management Documentation"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'memory-management.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst
index 7d90964abbb0..710ce1c701bf 100644
--- a/Documentation/vm/hmm.rst
+++ b/Documentation/vm/hmm.rst
@@ -237,7 +237,7 @@ The usage pattern is::
ret = hmm_range_snapshot(&range);
if (ret) {
up_read(&mm->mmap_sem);
- if (ret == -EAGAIN) {
+ if (ret == -EBUSY) {
/*
* No need to check hmm_range_wait_until_valid() return value
* on retry we will get proper error with hmm_range_snapshot()
diff --git a/Documentation/watchdog/hpwdt.rst b/Documentation/watchdog/hpwdt.rst
index c165d92cfd12..c824cd7f6e32 100644
--- a/Documentation/watchdog/hpwdt.rst
+++ b/Documentation/watchdog/hpwdt.rst
@@ -63,7 +63,7 @@ Last reviewed: 08/20/2018
and loop forever. This is generally not what a watchdog user wants.
For those wishing to learn more please see:
- Documentation/kdump/kdump.rst
+ Documentation/admin-guide/kdump/kdump.rst
Documentation/admin-guide/kernel-parameters.txt (panic=)
Your Linux Distribution specific documentation.
diff --git a/Documentation/x86/conf.py b/Documentation/x86/conf.py
deleted file mode 100644
index 33c5c3142e20..000000000000
--- a/Documentation/x86/conf.py
+++ /dev/null
@@ -1,10 +0,0 @@
-# -*- coding: utf-8; mode: python -*-
-
-project = "X86 architecture specific documentation"
-
-tags.add("subproject")
-
-latex_documents = [
- ('index', 'x86.tex', project,
- 'The kernel development community', 'manual'),
-]
diff --git a/MAINTAINERS b/MAINTAINERS
index 783569e3c4b4..43604d6ab96c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -899,7 +899,7 @@ L: linux-iio@vger.kernel.org
W: http://ez.analog.com/community/linux-device-drivers
S: Supported
F: drivers/iio/adc/ad7124.c
-F: Documentation/devicetree/bindings/iio/adc/adi,ad7124.txt
+F: Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml
ANALOG DEVICES INC AD7606 DRIVER
M: Stefan Popa <stefan.popa@analog.com>
@@ -1194,7 +1194,7 @@ F: include/uapi/linux/if_arcnet.h
ARM ARCHITECTED TIMER DRIVER
M: Mark Rutland <mark.rutland@arm.com>
-M: Marc Zyngier <marc.zyngier@arm.com>
+M: Marc Zyngier <maz@kernel.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/include/asm/arch_timer.h
@@ -2155,10 +2155,12 @@ F: Documentation/devicetree/bindings/arm/realtek.txt
ARM/RENESAS ARM64 ARCHITECTURE
M: Simon Horman <horms@verge.net.au>
+M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm64/boot/dts/renesas/
F: Documentation/devicetree/bindings/arm/renesas.yaml
@@ -2269,10 +2271,12 @@ F: drivers/media/platform/s5p-mfc/
ARM/SHMOBILE ARM ARCHITECTURE
M: Simon Horman <horms@verge.net.au>
+M: Geert Uytterhoeven <geert+renesas@glider.be>
M: Magnus Damm <magnus.damm@gmail.com>
L: linux-renesas-soc@vger.kernel.org
Q: http://patchwork.kernel.org/project/linux-renesas-soc/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel.git next
S: Supported
F: arch/arm/boot/dts/emev2*
F: arch/arm/boot/dts/gr-peach*
@@ -4190,7 +4194,7 @@ M: Jens Axboe <axboe@kernel.dk>
L: cgroups@vger.kernel.org
L: linux-block@vger.kernel.org
T: git git://git.kernel.dk/linux-block
-F: Documentation/cgroup-v1/blkio-controller.rst
+F: Documentation/admin-guide/cgroup-v1/blkio-controller.rst
F: block/blk-cgroup.c
F: include/linux/blk-cgroup.h
F: block/blk-throttle.c
@@ -4469,7 +4473,7 @@ F: arch/powerpc/platforms/powernv/pci-cxl.c
F: drivers/misc/cxl/
F: include/misc/cxl*
F: include/uapi/misc/cxl.h
-F: Documentation/powerpc/cxl.txt
+F: Documentation/powerpc/cxl.rst
F: Documentation/ABI/testing/sysfs-class-cxl
CXLFLASH (IBM Coherent Accelerator Processor Interface CAPI Flash) SCSI DRIVER
@@ -4480,7 +4484,7 @@ L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/cxlflash/
F: include/uapi/scsi/cxlflash_ioctl.h
-F: Documentation/powerpc/cxlflash.txt
+F: Documentation/powerpc/cxlflash.rst
CYBERPRO FB DRIVER
M: Russell King <linux@armlinux.org.uk>
@@ -6322,7 +6326,8 @@ F: Documentation/devicetree/bindings/counter/ftm-quaddec.txt
F: drivers/counter/ftm-quaddec.c
FLOPPY DRIVER
-S: Orphan
+M: Denis Efremov <efremov@linux.com>
+S: Odd Fixes
L: linux-block@vger.kernel.org
F: drivers/block/floppy.c
@@ -6339,7 +6344,7 @@ FPGA MANAGER FRAMEWORK
M: Moritz Fischer <mdf@kernel.org>
L: linux-fpga@vger.kernel.org
S: Maintained
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/atull/linux-fpga.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga.git
Q: http://patchwork.kernel.org/project/linux-fpga/list/
F: Documentation/fpga/
F: Documentation/driver-api/fpga/
@@ -6372,7 +6377,7 @@ FRAMEBUFFER LAYER
M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
L: dri-devel@lists.freedesktop.org
L: linux-fbdev@vger.kernel.org
-T: git git://github.com/bzolnier/linux.git
+T: git git://anongit.freedesktop.org/drm/drm-misc
Q: http://patchwork.kernel.org/project/linux-fbdev/list/
S: Maintained
F: Documentation/fb/
@@ -6436,6 +6441,14 @@ S: Maintained
F: drivers/perf/fsl_imx8_ddr_perf.c
F: Documentation/devicetree/bindings/perf/fsl-imx-ddr.txt
+FREESCALE IMX I2C DRIVER
+M: Oleksij Rempel <o.rempel@pengutronix.de>
+R: Pengutronix Kernel Team <kernel@pengutronix.de>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: drivers/i2c/busses/i2c-imx.c
+F: Documentation/devicetree/bindings/i2c/i2c-imx.txt
+
FREESCALE IMX LPI2C DRIVER
M: Dong Aisheng <aisheng.dong@nxp.com>
L: linux-i2c@vger.kernel.org
@@ -6822,13 +6835,6 @@ F: Documentation/filesystems/gfs2*.txt
F: fs/gfs2/
F: include/uapi/linux/gfs2_ondisk.h
-GIGASET ISDN DRIVERS
-M: Paul Bolle <pebolle@tiscali.nl>
-L: gigaset307x-common@lists.sourceforge.net
-W: http://gigaset307x.sourceforge.net/
-S: Odd Fixes
-F: drivers/staging/isdn/gigaset/
-
GNSS SUBSYSTEM
M: Johan Hovold <johan@kernel.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss.git
@@ -6856,7 +6862,7 @@ R: Sagi Shahar <sagis@google.com>
R: Jon Olson <jonolson@google.com>
L: netdev@vger.kernel.org
S: Supported
-F: Documentation/networking/device_drivers/google/gve.txt
+F: Documentation/networking/device_drivers/google/gve.rst
F: drivers/net/ethernet/google
GPD POCKET FAN DRIVER
@@ -7454,7 +7460,7 @@ F: drivers/net/hyperv/
F: drivers/scsi/storvsc_drv.c
F: drivers/uio/uio_hv_generic.c
F: drivers/video/fbdev/hyperv_fb.c
-F: drivers/iommu/hyperv_iommu.c
+F: drivers/iommu/hyperv-iommu.c
F: net/vmw_vsock/hyperv_transport.c
F: include/clocksource/hyperv_timer.h
F: include/linux/hyperv.h
@@ -8044,6 +8050,7 @@ S: Maintained
F: drivers/video/fbdev/i810/
INTEL ASoC DRIVERS
+M: Cezary Rojewski <cezary.rojewski@intel.com>
M: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
M: Liam Girdwood <liam.r.girdwood@linux.intel.com>
M: Jie Yang <yang.jie@linux.intel.com>
@@ -8065,6 +8072,13 @@ T: git git://git.code.sf.net/p/intel-sas/isci
S: Supported
F: drivers/scsi/isci/
+INTEL CPU family model numbers
+M: Tony Luck <tony.luck@intel.com>
+M: x86@kernel.org
+L: linux-kernel@vger.kernel.org
+S: Supported
+F: arch/x86/include/asm/intel-family.h
+
INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
M: Jani Nikula <jani.nikula@linux.intel.com>
M: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
@@ -8416,7 +8430,6 @@ L: linux-xfs@vger.kernel.org
L: linux-fsdevel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
S: Supported
-F: fs/iomap.c
F: fs/iomap/
F: include/linux/iomap.h
@@ -8490,7 +8503,7 @@ S: Obsolete
F: include/uapi/linux/ipx.h
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
-M: Marc Zyngier <marc.zyngier@arm.com>
+M: Marc Zyngier <maz@kernel.org>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
F: Documentation/IRQ-domain.txt
@@ -8508,7 +8521,7 @@ F: kernel/irq/
IRQCHIP DRIVERS
M: Thomas Gleixner <tglx@linutronix.de>
M: Jason Cooper <jason@lakedaemon.net>
-M: Marc Zyngier <marc.zyngier@arm.com>
+M: Marc Zyngier <maz@kernel.org>
L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
@@ -8808,7 +8821,7 @@ L: kvm@vger.kernel.org
W: http://www.linux-kvm.org
T: git git://git.kernel.org/pub/scm/virt/kvm/kvm.git
S: Supported
-F: Documentation/virtual/kvm/
+F: Documentation/virt/kvm/
F: include/trace/events/kvm.h
F: include/uapi/asm-generic/kvm*
F: include/uapi/linux/kvm*
@@ -8828,10 +8841,10 @@ F: arch/x86/include/asm/svm.h
F: arch/x86/kvm/svm.c
KERNEL VIRTUAL MACHINE FOR ARM/ARM64 (KVM/arm, KVM/arm64)
-M: Marc Zyngier <marc.zyngier@arm.com>
+M: Marc Zyngier <maz@kernel.org>
R: James Morse <james.morse@arm.com>
-R: Julien Thierry <julien.thierry@arm.com>
-R: Suzuki K Pouloze <suzuki.poulose@arm.com>
+R: Julien Thierry <julien.thierry.kdev@gmail.com>
+R: Suzuki K Poulose <suzuki.poulose@arm.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: kvmarm@lists.cs.columbia.edu
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git
@@ -11144,6 +11157,7 @@ L: netdev@vger.kernel.org
S: Maintained
W: https://fedorahosted.org/dropwatch/
F: net/core/drop_monitor.c
+F: include/uapi/linux/net_dropmon.h
NETWORKING DRIVERS
M: "David S. Miller" <davem@davemloft.net>
@@ -11282,6 +11296,7 @@ M: Aviad Yehezkel <aviadye@mellanox.com>
M: Dave Watson <davejwatson@fb.com>
M: John Fastabend <john.fastabend@gmail.com>
M: Daniel Borkmann <daniel@iogearbox.net>
+M: Jakub Kicinski <jakub.kicinski@netronome.com>
L: netdev@vger.kernel.org
S: Maintained
F: net/tls/*
@@ -12137,7 +12152,7 @@ M: Thomas Hellstrom <thellstrom@vmware.com>
M: "VMware, Inc." <pv-drivers@vmware.com>
L: virtualization@lists.linux-foundation.org
S: Supported
-F: Documentation/virtual/paravirt_ops.txt
+F: Documentation/virt/paravirt_ops.rst
F: arch/*/kernel/paravirt*
F: arch/*/include/asm/paravirt*.h
F: include/linux/hypervisor.h
@@ -12394,7 +12409,7 @@ F: Documentation/PCI/pci-error-recovery.rst
F: drivers/pci/pcie/aer.c
F: drivers/pci/pcie/dpc.c
F: drivers/pci/pcie/err.c
-F: Documentation/powerpc/eeh-pci-error-recovery.txt
+F: Documentation/powerpc/eeh-pci-error-recovery.rst
F: arch/powerpc/kernel/eeh*.c
F: arch/powerpc/platforms/*/eeh*.c
F: arch/powerpc/include/*/eeh*.h
@@ -13725,6 +13740,7 @@ F: drivers/mtd/nand/raw/r852.c
F: drivers/mtd/nand/raw/r852.h
RISC-V ARCHITECTURE
+M: Paul Walmsley <paul.walmsley@sifive.com>
M: Palmer Dabbelt <palmer@sifive.com>
M: Albert Ou <aou@eecs.berkeley.edu>
L: linux-riscv@lists.infradead.org
@@ -13947,7 +13963,6 @@ F: drivers/pci/hotplug/s390_pci_hpc.c
S390 VFIO-CCW DRIVER
M: Cornelia Huck <cohuck@redhat.com>
-M: Farhan Ali <alifm@linux.ibm.com>
M: Eric Farman <farman@linux.ibm.com>
R: Halil Pasic <pasic@linux.ibm.com>
L: linux-s390@vger.kernel.org
@@ -14016,6 +14031,12 @@ F: drivers/media/common/saa7146/
F: drivers/media/pci/saa7146/
F: include/media/drv-intf/saa7146*
+SAFESETID SECURITY MODULE
+M: Micah Morton <mortonm@chromium.org>
+S: Supported
+F: security/safesetid/
+F: Documentation/admin-guide/LSM/SafeSetID.rst
+
SAMSUNG AUDIO (ASoC) DRIVERS
M: Krzysztof Kozlowski <krzk@kernel.org>
M: Sangbeom Kim <sbkim73@samsung.com>
@@ -16078,7 +16099,7 @@ S: Maintained
F: drivers/net/ethernet/ti/netcp*
TI PCM3060 ASoC CODEC DRIVER
-M: Kirill Marinushkin <kmarinushkin@birdec.tech>
+M: Kirill Marinushkin <kmarinushkin@birdec.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/sound/pcm3060.txt
@@ -16854,7 +16875,7 @@ W: http://user-mode-linux.sourceforge.net
Q: https://patchwork.ozlabs.org/project/linux-um/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml.git
S: Maintained
-F: Documentation/virtual/uml/
+F: Documentation/virt/uml/
F: arch/um/
F: arch/x86/um/
F: fs/hostfs/
@@ -17123,7 +17144,7 @@ F: drivers/virtio/virtio_input.c
F: include/uapi/linux/virtio_input.h
VIRTIO IOMMU DRIVER
-M: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
+M: Jean-Philippe Brucker <jean-philippe@linaro.org>
L: virtualization@lists.linux-foundation.org
S: Maintained
F: drivers/iommu/virtio-iommu.c
@@ -17172,7 +17193,6 @@ F: drivers/vme/
F: include/linux/vme*
VMWARE BALLOON DRIVER
-M: Julien Freche <jfreche@vmware.com>
M: Nadav Amit <namit@vmware.com>
M: "VMware, Inc." <pv-drivers@vmware.com>
L: linux-kernel@vger.kernel.org
@@ -17555,7 +17575,6 @@ M: Jakub Kicinski <jakub.kicinski@netronome.com>
M: Jesper Dangaard Brouer <hawk@kernel.org>
M: John Fastabend <john.fastabend@gmail.com>
L: netdev@vger.kernel.org
-L: xdp-newbies@vger.kernel.org
L: bpf@vger.kernel.org
S: Supported
F: net/core/xdp.c
diff --git a/Makefile b/Makefile
index 9be5834073f8..9fa18613566f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 3
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc5
NAME = Bobtail Squid
# *DOCUMENTATION*
@@ -419,6 +419,7 @@ NM = $(CROSS_COMPILE)nm
STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
+OBJSIZE = $(CROSS_COMPILE)size
PAHOLE = pahole
LEX = flex
YACC = bison
@@ -472,11 +473,12 @@ KBUILD_CFLAGS_MODULE := -DMODULE
KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds
KBUILD_LDFLAGS :=
GCC_PLUGINS_CFLAGS :=
+CLANG_FLAGS :=
export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC
-export CPP AR NM STRIP OBJCOPY OBJDUMP PAHOLE KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS
-export MAKE LEX YACC AWK INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE
-export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS
+export CPP AR NM STRIP OBJCOPY OBJDUMP OBJSIZE PAHOLE LEX YACC AWK INSTALLKERNEL
+export PERL PYTHON PYTHON2 PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
+export KBUILD_HOSTCXXFLAGS KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS LDFLAGS_MODULE
export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS
export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE
@@ -519,7 +521,7 @@ endif
ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
ifneq ($(CROSS_COMPILE),)
-CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE:%-=%))
+CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)
GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
@@ -843,6 +845,9 @@ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
# warn about C99 declaration after statement
KBUILD_CFLAGS += -Wdeclaration-after-statement
+# Warn about unmarked fall-throughs in switch statement.
+KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough,)
+
# Variable Length Arrays (VLAs) should not be used anywhere in the kernel
KBUILD_CFLAGS += -Wvla
@@ -998,6 +1003,8 @@ endif
PHONY += prepare0
+export MODORDER := $(if $(KBUILD_EXTMOD),$(KBUILD_EXTMOD)/)modules.order
+
ifeq ($(KBUILD_EXTMOD),)
core-y += kernel/ certs/ mm/ fs/ ipc/ security/ crypto/ block/
@@ -1767,13 +1774,22 @@ build-dir = $(patsubst %/,%,$(dir $(build-target)))
$(Q)$(MAKE) $(build)=$(build-dir) $(build-target)
%.symtypes: prepare FORCE
$(Q)$(MAKE) $(build)=$(build-dir) $(build-target)
+ifeq ($(KBUILD_EXTMOD),)
+# For the single build of an in-tree module, use a temporary file to avoid
+# the situation of modules_install installing an invalid modules.order.
+%.ko: MODORDER := .modules.tmp
+endif
+%.ko: prepare FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(build-target:.ko=.mod)
+ $(Q)echo $(build-target) > $(MODORDER)
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
# Modules
PHONY += /
/: ./
%/: prepare FORCE
- $(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir)
+ $(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir) need-modorder=1
# FIXME Should go into a make.lib or something
# ===========================================================================
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index c929bea9a9ff..85710e078afb 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -1535,7 +1535,6 @@ config DEBUG_LL_INCLUDE
DEBUG_IMX7D_UART
default "debug/ks8695.S" if DEBUG_KS8695_UART
default "debug/msm.S" if DEBUG_QCOM_UARTDM
- default "debug/netx.S" if DEBUG_NETX_UART
default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART
default "debug/renesas-scif.S" if DEBUG_R7S72100_SCIF2
default "debug/renesas-scif.S" if DEBUG_RCAR_GEN1_SCIF0
@@ -1575,7 +1574,6 @@ config DEBUG_UART_8250
config DEBUG_UART_PHYS
hex "Physical base address of debug UART"
- default 0x00100a00 if DEBUG_NETX_UART
default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
default 0x01c28000 if DEBUG_SUNXI_UART0
default 0x01c28400 if DEBUG_SUNXI_UART1
@@ -1700,7 +1698,6 @@ config DEBUG_UART_PHYS
DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
DEBUG_LL_UART_EFM32 || \
DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
- DEBUG_NETX_UART || \
DEBUG_QCOM_UARTDM || DEBUG_R7S72100_SCIF2 || \
DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \
DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \
@@ -1717,7 +1714,6 @@ config DEBUG_UART_VIRT
default 0xc881f000 if DEBUG_RV1108_UART2
default 0xc8821000 if DEBUG_RV1108_UART1
default 0xc8912000 if DEBUG_RV1108_UART0
- default 0xe0000a00 if DEBUG_NETX_UART
default 0xe0010fe0 if ARCH_RPC
default 0xf0000be0 if ARCH_EBSA110
default 0xf0010000 if DEBUG_ASM9260_UART
@@ -1822,7 +1818,6 @@ config DEBUG_UART_VIRT
default DEBUG_UART_PHYS if !MMU
depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_MESON_UARTAO || \
- DEBUG_NETX_UART || \
DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
DEBUG_S3C64XX_UART || \
DEBUG_BCM63XX_UART || DEBUG_ASM9260_UART || \
diff --git a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
index 18d0ae46e76c..0faae8950375 100644
--- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
+++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
@@ -124,6 +124,9 @@
};
mdio-bus-mux {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
/* BIT(9) = 1 => external mdio */
mdio_ext: mdio@200 {
reg = <0x200>;
diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
index cbe61b61a212..c2a9dd57e56a 100644
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
@@ -112,7 +112,7 @@
};
&i2c2 {
- clock_frequency = <100000>;
+ clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-geam.dts b/arch/arm/boot/dts/imx6ul-geam.dts
index 21ddd359d3ed..9f63706383a7 100644
--- a/arch/arm/boot/dts/imx6ul-geam.dts
+++ b/arch/arm/boot/dts/imx6ul-geam.dts
@@ -156,7 +156,7 @@
};
&i2c2 {
- clock_frequency = <100000>;
+ clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-isiot.dtsi b/arch/arm/boot/dts/imx6ul-isiot.dtsi
index b26d4f57c655..cc9adce638f5 100644
--- a/arch/arm/boot/dts/imx6ul-isiot.dtsi
+++ b/arch/arm/boot/dts/imx6ul-isiot.dtsi
@@ -148,7 +148,7 @@
};
&i2c2 {
- clock_frequency = <100000>;
+ clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
index 39eeeddac39e..09f7ffa9ad8c 100644
--- a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
+++ b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
@@ -43,7 +43,7 @@
};
&i2c2 {
- clock_frequency = <100000>;
+ clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-pico-pi.dts b/arch/arm/boot/dts/imx6ul-pico-pi.dts
index de07357b27fc..6cd7d5877d20 100644
--- a/arch/arm/boot/dts/imx6ul-pico-pi.dts
+++ b/arch/arm/boot/dts/imx6ul-pico-pi.dts
@@ -43,7 +43,7 @@
};
&i2c2 {
- clock_frequency = <100000>;
+ clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
@@ -58,7 +58,7 @@
};
&i2c3 {
- clock_frequency = <100000>;
+ clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi
index 992747a57442..56907bb4b329 100644
--- a/arch/arm/boot/dts/imx7ulp.dtsi
+++ b/arch/arm/boot/dts/imx7ulp.dtsi
@@ -186,7 +186,7 @@
reg = <0x40330200 0x200>;
};
- usbphy1: usb-phy@0x40350000 {
+ usbphy1: usb-phy@40350000 {
compatible = "fsl,imx7ulp-usbphy", "fsl,imx6ul-usbphy";
reg = <0x40350000 0x1000>;
interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index e6b98b6eb88d..822cddfbf1af 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -4,17 +4,9 @@ CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_KALLSYMS_ALL=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_PARTITION_ADVANCED=y
CONFIG_ARCH_U8500=y
-CONFIG_MACH_HREFV60=y
-CONFIG_MACH_SNOWBALL=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
-CONFIG_PREEMPT=y
-CONFIG_AEABI=y
CONFIG_HIGHMEM=y
CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
@@ -25,6 +17,11 @@ CONFIG_CPU_IDLE=y
CONFIG_ARM_U8500_CPUIDLE=y
CONFIG_VFP=y
CONFIG_NEON=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_CMA=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@@ -47,7 +44,6 @@ CONFIG_SMSC911X=y
CONFIG_SMSC_PHY=y
CONFIG_CW1200=y
CONFIG_CW1200_WLAN_SDIO=y
-# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_KEYBOARD_ATKBD is not set
CONFIG_KEYBOARD_GPIO=y
@@ -63,7 +59,6 @@ CONFIG_RMI4_CORE=y
CONFIG_RMI4_I2C=y
CONFIG_RMI4_F11=y
# CONFIG_SERIO is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
CONFIG_SERIAL_AMBA_PL011=y
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
@@ -72,6 +67,7 @@ CONFIG_SPI=y
CONFIG_SPI_PL022=y
CONFIG_GPIO_STMPE=y
CONFIG_GPIO_TC3589X=y
+CONFIG_SENSORS_IIO_HWMON=y
CONFIG_THERMAL=y
CONFIG_CPU_THERMAL=y
CONFIG_WATCHDOG=y
@@ -79,6 +75,13 @@ CONFIG_MFD_STMPE=y
CONFIG_MFD_TC3589X=y
CONFIG_REGULATOR_AB8500=y
CONFIG_REGULATOR_GPIO=y
+CONFIG_DRM=y
+CONFIG_DRM_PANEL_SAMSUNG_S6D16D0=y
+CONFIG_DRM_LIMA=y
+CONFIG_DRM_MCDE=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_GENERIC=m
+CONFIG_LOGO=y
CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_SOC=y
@@ -87,6 +90,7 @@ CONFIG_SND_SOC_UX500_MACH_MOP500=y
CONFIG_USB=y
CONFIG_USB_MUSB_HDRC=y
CONFIG_USB_MUSB_UX500=y
+CONFIG_MUSB_PIO_ONLY=y
CONFIG_AB8500_USB=y
CONFIG_USB_GADGET=y
CONFIG_USB_ETH=m
@@ -103,6 +107,7 @@ CONFIG_RTC_DRV_AB8500=y
CONFIG_RTC_DRV_PL031=y
CONFIG_DMADEVICES=y
CONFIG_STE_DMA40=y
+CONFIG_HWSPINLOCK=y
CONFIG_HSEM_U8500=y
CONFIG_IIO=y
CONFIG_IIO_SW_TRIGGER=y
@@ -126,20 +131,19 @@ CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y
+CONFIG_CRYPTO_DEV_UX500=y
+CONFIG_CRYPTO_DEV_UX500_CRYP=y
+CONFIG_CRYPTO_DEV_UX500_HASH=y
+CONFIG_CRYPTO_DEV_UX500_DEBUG=y
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_FS=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
# CONFIG_SCHED_DEBUG is not set
-# CONFIG_DEBUG_PREEMPT is not set
# CONFIG_FTRACE is not set
CONFIG_DEBUG_USER=y
CONFIG_CORESIGHT=y
CONFIG_CORESIGHT_SINK_TPIU=y
CONFIG_CORESIGHT_SINK_ETBV10=y
CONFIG_CORESIGHT_SOURCE_ETM3X=y
-CONFIG_CRYPTO_DEV_UX500=y
-CONFIG_CRYPTO_DEV_UX500_CRYP=y
-CONFIG_CRYPTO_DEV_UX500_HASH=y
-CONFIG_CRYPTO_DEV_UX500_DEBUG=y
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 7e0486ad1318..dba9355e2484 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -18,7 +18,9 @@ extern const struct dma_map_ops arm_coherent_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
- return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : NULL;
+ if (IS_ENABLED(CONFIG_MMU) && !IS_ENABLED(CONFIG_ARM_LPAE))
+ return &arm_dma_ops;
+ return NULL;
}
#ifdef __arch_page_to_dma
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index af8b8e15f589..b0c195e3a06d 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -544,6 +544,7 @@ static int arch_build_bp_info(struct perf_event *bp,
if ((hw->ctrl.type != ARM_BREAKPOINT_EXECUTE)
&& max_watchpoint_len >= 8)
break;
+ /* Else, fall through */
default:
return -EINVAL;
}
@@ -608,10 +609,12 @@ int hw_breakpoint_arch_parse(struct perf_event *bp,
/* Allow halfword watchpoints and breakpoints. */
if (hw->ctrl.len == ARM_BREAKPOINT_LEN_2)
break;
+ /* Else, fall through */
case 3:
/* Allow single byte watchpoint. */
if (hw->ctrl.len == ARM_BREAKPOINT_LEN_1)
break;
+ /* Else, fall through */
default:
ret = -EINVAL;
goto out;
@@ -861,6 +864,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr,
break;
case ARM_ENTRY_ASYNC_WATCHPOINT:
WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n");
+ /* Fall through */
case ARM_ENTRY_SYNC_WATCHPOINT:
watchpoint_handler(addr, fsr, regs);
break;
@@ -909,6 +913,7 @@ static bool core_has_os_save_restore(void)
ARM_DBG_READ(c1, c1, 4, oslsr);
if (oslsr & ARM_OSLSR_OSLM0)
return true;
+ /* Else, fall through */
default:
return false;
}
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 09f6fdd41974..ab2568996ddb 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -596,6 +596,7 @@ static int do_signal(struct pt_regs *regs, int syscall)
switch (retval) {
case -ERESTART_RESTARTBLOCK:
restart -= 2;
+ /* Fall through */
case -ERESTARTNOHAND:
case -ERESTARTSYS:
case -ERESTARTNOINTR:
diff --git a/arch/arm/kvm/coproc.c b/arch/arm/kvm/coproc.c
index d2806bcff8bb..07745ee022a1 100644
--- a/arch/arm/kvm/coproc.c
+++ b/arch/arm/kvm/coproc.c
@@ -651,13 +651,22 @@ int kvm_handle_cp14_64(struct kvm_vcpu *vcpu, struct kvm_run *run)
}
static void reset_coproc_regs(struct kvm_vcpu *vcpu,
- const struct coproc_reg *table, size_t num)
+ const struct coproc_reg *table, size_t num,
+ unsigned long *bmap)
{
unsigned long i;
for (i = 0; i < num; i++)
- if (table[i].reset)
+ if (table[i].reset) {
+ int reg = table[i].reg;
+
table[i].reset(vcpu, &table[i]);
+ if (reg > 0 && reg < NR_CP15_REGS) {
+ set_bit(reg, bmap);
+ if (table[i].is_64bit)
+ set_bit(reg + 1, bmap);
+ }
+ }
}
static struct coproc_params decode_32bit_hsr(struct kvm_vcpu *vcpu)
@@ -1432,17 +1441,15 @@ void kvm_reset_coprocs(struct kvm_vcpu *vcpu)
{
size_t num;
const struct coproc_reg *table;
-
- /* Catch someone adding a register without putting in reset entry. */
- memset(vcpu->arch.ctxt.cp15, 0x42, sizeof(vcpu->arch.ctxt.cp15));
+ DECLARE_BITMAP(bmap, NR_CP15_REGS) = { 0, };
/* Generic chip reset first (so target could override). */
- reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs));
+ reset_coproc_regs(vcpu, cp15_regs, ARRAY_SIZE(cp15_regs), bmap);
table = get_target_table(vcpu->arch.target, &num);
- reset_coproc_regs(vcpu, table, num);
+ reset_coproc_regs(vcpu, table, num, bmap);
for (num = 1; num < NR_CP15_REGS; num++)
- WARN(vcpu_cp15(vcpu, num) == 0x42424242,
+ WARN(!test_bit(num, bmap),
"Didn't reset vcpu_cp15(vcpu, %zi)", num);
}
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
index 05d03f09ff54..71262dcdbca3 100644
--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -24,6 +24,7 @@
#define DEEPSLEEP_SLEEPENABLE_BIT BIT(31)
.text
+ .arch armv5te
/*
* Move DaVinci into deep sleep state
*
diff --git a/arch/arm/mach-ep93xx/crunch.c b/arch/arm/mach-ep93xx/crunch.c
index 1c9a4be8b503..1c05c5bf7e5c 100644
--- a/arch/arm/mach-ep93xx/crunch.c
+++ b/arch/arm/mach-ep93xx/crunch.c
@@ -49,6 +49,7 @@ static int crunch_do(struct notifier_block *self, unsigned long cmd, void *t)
* FALLTHROUGH: Ensure we don't try to overwrite our newly
* initialised state information on the first fault.
*/
+ /* Fall through */
case THREAD_NOTIFY_EXIT:
crunch_task_release(thread);
diff --git a/arch/arm/mach-netx/Kconfig b/arch/arm/mach-netx/Kconfig
deleted file mode 100644
index 1e5d9c870784..000000000000
--- a/arch/arm/mach-netx/Kconfig
+++ /dev/null
@@ -1,22 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-menu "NetX Implementations"
- depends on ARCH_NETX
-
-config MACH_NXDKN
- bool "Enable Hilscher nxdkn Eval Board support"
- help
- Board support for the Hilscher NetX Eval Board
-
-config MACH_NXDB500
- bool "Enable Hilscher nxdb500 Eval Board support"
- select ARM_AMBA
- help
- Board support for the Hilscher nxdb500 Eval Board
-
-config MACH_NXEB500HMI
- bool "Enable Hilscher nxeb500hmi Eval Board support"
- select ARM_AMBA
- help
- Board support for the Hilscher nxeb500hmi Eval Board
-
-endmenu
diff --git a/arch/arm/mach-netx/Makefile b/arch/arm/mach-netx/Makefile
deleted file mode 100644
index 44ea83f7d9c2..000000000000
--- a/arch/arm/mach-netx/Makefile
+++ /dev/null
@@ -1,13 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-#
-# Makefile for the linux kernel.
-#
-
-# Object file lists.
-
-obj-y += time.o generic.o pfifo.o xc.o
-
-# Specific board support
-obj-$(CONFIG_MACH_NXDKN) += nxdkn.o
-obj-$(CONFIG_MACH_NXDB500) += nxdb500.o fb.o
-obj-$(CONFIG_MACH_NXEB500HMI) += nxeb500hmi.o fb.o
diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot
deleted file mode 100644
index 2eb23c0cb6b0..000000000000
--- a/arch/arm/mach-netx/Makefile.boot
+++ /dev/null
@@ -1,3 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
- zreladdr-y += 0x80008000
-
diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c
deleted file mode 100644
index 2dc80db07390..000000000000
--- a/arch/arm/mach-netx/fb.c
+++ /dev/null
@@ -1,65 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/fb.c
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/dma-mapping.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-#include <linux/err.h>
-#include <linux/gfp.h>
-
-#include <asm/irq.h>
-
-#include <mach/netx-regs.h>
-#include <mach/hardware.h>
-
-static struct clcd_panel *netx_panel;
-
-void netx_clcd_enable(struct clcd_fb *fb)
-{
-}
-
-int netx_clcd_setup(struct clcd_fb *fb)
-{
- dma_addr_t dma;
-
- fb->panel = netx_panel;
-
- fb->fb.screen_base = dma_alloc_wc(&fb->dev->dev, 1024 * 1024, &dma,
- GFP_KERNEL);
- if (!fb->fb.screen_base) {
- printk(KERN_ERR "CLCD: unable to map framebuffer\n");
- return -ENOMEM;
- }
-
- fb->fb.fix.smem_start = dma;
- fb->fb.fix.smem_len = 1024*1024;
-
- return 0;
-}
-
-int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
-{
- return dma_mmap_wc(&fb->dev->dev, vma, fb->fb.screen_base,
- fb->fb.fix.smem_start, fb->fb.fix.smem_len);
-}
-
-void netx_clcd_remove(struct clcd_fb *fb)
-{
- dma_free_wc(&fb->dev->dev, fb->fb.fix.smem_len, fb->fb.screen_base,
- fb->fb.fix.smem_start);
-}
-
-static AMBA_AHB_DEVICE(fb, "fb", 0, 0x00104000, { NETX_IRQ_LCD }, NULL);
-
-int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel)
-{
- netx_panel = panel;
- fb_device.dev.platform_data = board;
- return amba_device_register(&fb_device, &iomem_resource);
-}
diff --git a/arch/arm/mach-netx/fb.h b/arch/arm/mach-netx/fb.h
deleted file mode 100644
index 5cdc01fc3c86..000000000000
--- a/arch/arm/mach-netx/fb.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/fb.h
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-void netx_clcd_enable(struct clcd_fb *fb);
-int netx_clcd_setup(struct clcd_fb *fb);
-int netx_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma);
-void netx_clcd_remove(struct clcd_fb *fb);
-int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel);
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
deleted file mode 100644
index 88881fd45e9f..000000000000
--- a/arch/arm/mach-netx/generic.c
+++ /dev/null
@@ -1,182 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/generic.c
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/irqchip/arm-vic.h>
-#include <linux/reboot.h>
-#include <mach/hardware.h>
-#include <asm/mach/map.h>
-#include <mach/netx-regs.h>
-#include <asm/mach/irq.h>
-
-static struct map_desc netx_io_desc[] __initdata = {
- {
- .virtual = NETX_IO_VIRT,
- .pfn = __phys_to_pfn(NETX_IO_PHYS),
- .length = NETX_IO_SIZE,
- .type = MT_DEVICE
- }
-};
-
-void __init netx_map_io(void)
-{
- iotable_init(netx_io_desc, ARRAY_SIZE(netx_io_desc));
-}
-
-static struct resource netx_rtc_resources[] = {
- [0] = {
- .start = 0x00101200,
- .end = 0x00101220,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device netx_rtc_device = {
- .name = "netx-rtc",
- .id = 0,
- .num_resources = ARRAY_SIZE(netx_rtc_resources),
- .resource = netx_rtc_resources,
-};
-
-static struct platform_device *devices[] __initdata = {
- &netx_rtc_device,
-};
-
-#if 0
-#define DEBUG_IRQ(fmt...) printk(fmt)
-#else
-#define DEBUG_IRQ(fmt...) while (0) {}
-#endif
-
-static void netx_hif_demux_handler(struct irq_desc *desc)
-{
- unsigned int irq = NETX_IRQ_HIF_CHAINED(0);
- unsigned int stat;
-
- stat = ((readl(NETX_DPMAS_INT_EN) &
- readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f;
-
- while (stat) {
- if (stat & 1) {
- DEBUG_IRQ("handling irq %d\n", irq);
- generic_handle_irq(irq);
- }
- irq++;
- stat >>= 1;
- }
-}
-
-static int
-netx_hif_irq_type(struct irq_data *d, unsigned int type)
-{
- unsigned int val, irq;
-
- val = readl(NETX_DPMAS_IF_CONF1);
-
- irq = d->irq - NETX_IRQ_HIF_CHAINED(0);
-
- if (type & IRQ_TYPE_EDGE_RISING) {
- DEBUG_IRQ("rising edges\n");
- val |= (1 << 26) << irq;
- }
- if (type & IRQ_TYPE_EDGE_FALLING) {
- DEBUG_IRQ("falling edges\n");
- val &= ~((1 << 26) << irq);
- }
- if (type & IRQ_TYPE_LEVEL_LOW) {
- DEBUG_IRQ("low level\n");
- val &= ~((1 << 26) << irq);
- }
- if (type & IRQ_TYPE_LEVEL_HIGH) {
- DEBUG_IRQ("high level\n");
- val |= (1 << 26) << irq;
- }
-
- writel(val, NETX_DPMAS_IF_CONF1);
-
- return 0;
-}
-
-static void
-netx_hif_ack_irq(struct irq_data *d)
-{
- unsigned int val, irq;
-
- irq = d->irq - NETX_IRQ_HIF_CHAINED(0);
- writel((1 << 24) << irq, NETX_DPMAS_INT_STAT);
-
- val = readl(NETX_DPMAS_INT_EN);
- val &= ~((1 << 24) << irq);
- writel(val, NETX_DPMAS_INT_EN);
-
- DEBUG_IRQ("%s: irq %d\n", __func__, d->irq);
-}
-
-static void
-netx_hif_mask_irq(struct irq_data *d)
-{
- unsigned int val, irq;
-
- irq = d->irq - NETX_IRQ_HIF_CHAINED(0);
- val = readl(NETX_DPMAS_INT_EN);
- val &= ~((1 << 24) << irq);
- writel(val, NETX_DPMAS_INT_EN);
- DEBUG_IRQ("%s: irq %d\n", __func__, d->irq);
-}
-
-static void
-netx_hif_unmask_irq(struct irq_data *d)
-{
- unsigned int val, irq;
-
- irq = d->irq - NETX_IRQ_HIF_CHAINED(0);
- val = readl(NETX_DPMAS_INT_EN);
- val |= (1 << 24) << irq;
- writel(val, NETX_DPMAS_INT_EN);
- DEBUG_IRQ("%s: irq %d\n", __func__, d->irq);
-}
-
-static struct irq_chip netx_hif_chip = {
- .irq_ack = netx_hif_ack_irq,
- .irq_mask = netx_hif_mask_irq,
- .irq_unmask = netx_hif_unmask_irq,
- .irq_set_type = netx_hif_irq_type,
-};
-
-void __init netx_init_irq(void)
-{
- int irq;
-
- vic_init(io_p2v(NETX_PA_VIC), NETX_IRQ_VIC_START, ~0, 0);
-
- for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) {
- irq_set_chip_and_handler(irq, &netx_hif_chip,
- handle_level_irq);
- irq_clear_status_flags(irq, IRQ_NOREQUEST);
- }
-
- writel(NETX_DPMAS_INT_EN_GLB_EN, NETX_DPMAS_INT_EN);
- irq_set_chained_handler(NETX_IRQ_HIF, netx_hif_demux_handler);
-}
-
-static int __init netx_init(void)
-{
- return platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-subsys_initcall(netx_init);
-
-void netx_restart(enum reboot_mode mode, const char *cmd)
-{
- writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES,
- NETX_SYSTEM_RES_CR);
-}
diff --git a/arch/arm/mach-netx/generic.h b/arch/arm/mach-netx/generic.h
deleted file mode 100644
index 223e304574a5..000000000000
--- a/arch/arm/mach-netx/generic.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/generic.h
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/reboot.h>
-
-extern void __init netx_map_io(void);
-extern void __init netx_init_irq(void);
-extern void netx_restart(enum reboot_mode, const char *);
-
-extern void netx_timer_init(void);
diff --git a/arch/arm/mach-netx/include/mach/hardware.h b/arch/arm/mach-netx/include/mach/hardware.h
deleted file mode 100644
index 84253993d1e0..000000000000
--- a/arch/arm/mach-netx/include/mach/hardware.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/include/mach/hardware.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-#ifndef __ASM_ARCH_HARDWARE_H
-#define __ASM_ARCH_HARDWARE_H
-
-#define NETX_IO_PHYS 0x00100000
-#define NETX_IO_VIRT 0xe0000000
-#define NETX_IO_SIZE 0x00100000
-
-#define SRAM_INTERNAL_PHYS_0 0x00000
-#define SRAM_INTERNAL_PHYS_1 0x08000
-#define SRAM_INTERNAL_PHYS_2 0x10000
-#define SRAM_INTERNAL_PHYS_3 0x18000
-#define SRAM_INTERNAL_PHYS(no) ((no) * 0x8000)
-
-#define XPEC_MEM_SIZE 0x4000
-#define XMAC_MEM_SIZE 0x1000
-#define SRAM_MEM_SIZE 0x8000
-
-#define io_p2v(x) IOMEM((x) - NETX_IO_PHYS + NETX_IO_VIRT)
-#define io_v2p(x) ((x) - NETX_IO_VIRT + NETX_IO_PHYS)
-
-#endif
diff --git a/arch/arm/mach-netx/include/mach/irqs.h b/arch/arm/mach-netx/include/mach/irqs.h
deleted file mode 100644
index 540c92104fe8..000000000000
--- a/arch/arm/mach-netx/include/mach/irqs.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/include/mach/irqs.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#define NETX_IRQ_VIC_START 64
-#define NETX_IRQ_SOFTINT (NETX_IRQ_VIC_START + 0)
-#define NETX_IRQ_TIMER0 (NETX_IRQ_VIC_START + 1)
-#define NETX_IRQ_TIMER1 (NETX_IRQ_VIC_START + 2)
-#define NETX_IRQ_TIMER2 (NETX_IRQ_VIC_START + 3)
-#define NETX_IRQ_SYSTIME_NS (NETX_IRQ_VIC_START + 4)
-#define NETX_IRQ_SYSTIME_S (NETX_IRQ_VIC_START + 5)
-#define NETX_IRQ_GPIO_15 (NETX_IRQ_VIC_START + 6)
-#define NETX_IRQ_WATCHDOG (NETX_IRQ_VIC_START + 7)
-#define NETX_IRQ_UART0 (NETX_IRQ_VIC_START + 8)
-#define NETX_IRQ_UART1 (NETX_IRQ_VIC_START + 9)
-#define NETX_IRQ_UART2 (NETX_IRQ_VIC_START + 10)
-#define NETX_IRQ_USB (NETX_IRQ_VIC_START + 11)
-#define NETX_IRQ_SPI (NETX_IRQ_VIC_START + 12)
-#define NETX_IRQ_I2C (NETX_IRQ_VIC_START + 13)
-#define NETX_IRQ_LCD (NETX_IRQ_VIC_START + 14)
-#define NETX_IRQ_HIF (NETX_IRQ_VIC_START + 15)
-#define NETX_IRQ_GPIO_0_14 (NETX_IRQ_VIC_START + 16)
-#define NETX_IRQ_XPEC0 (NETX_IRQ_VIC_START + 17)
-#define NETX_IRQ_XPEC1 (NETX_IRQ_VIC_START + 18)
-#define NETX_IRQ_XPEC2 (NETX_IRQ_VIC_START + 19)
-#define NETX_IRQ_XPEC3 (NETX_IRQ_VIC_START + 20)
-#define NETX_IRQ_XPEC(no) (NETX_IRQ_VIC_START + 17 + (no))
-#define NETX_IRQ_MSYNC0 (NETX_IRQ_VIC_START + 21)
-#define NETX_IRQ_MSYNC1 (NETX_IRQ_VIC_START + 22)
-#define NETX_IRQ_MSYNC2 (NETX_IRQ_VIC_START + 23)
-#define NETX_IRQ_MSYNC3 (NETX_IRQ_VIC_START + 24)
-#define NETX_IRQ_IRQ_PHY (NETX_IRQ_VIC_START + 25)
-#define NETX_IRQ_ISO_AREA (NETX_IRQ_VIC_START + 26)
-/* int 27 is reserved */
-/* int 28 is reserved */
-#define NETX_IRQ_TIMER3 (NETX_IRQ_VIC_START + 29)
-#define NETX_IRQ_TIMER4 (NETX_IRQ_VIC_START + 30)
-/* int 31 is reserved */
-
-#define NETX_IRQS (NETX_IRQ_VIC_START + 32)
-
-/* for multiplexed irqs on gpio 0..14 */
-#define NETX_IRQ_GPIO(x) (NETX_IRQS + (x))
-#define NETX_IRQ_GPIO_LAST NETX_IRQ_GPIO(14)
-
-/* Host interface interrupts */
-#define NETX_IRQ_HIF_CHAINED(x) (NETX_IRQ_GPIO_LAST + 1 + (x))
-#define NETX_IRQ_HIF_PIO35 NETX_IRQ_HIF_CHAINED(0)
-#define NETX_IRQ_HIF_PIO36 NETX_IRQ_HIF_CHAINED(1)
-#define NETX_IRQ_HIF_PIO40 NETX_IRQ_HIF_CHAINED(2)
-#define NETX_IRQ_HIF_PIO47 NETX_IRQ_HIF_CHAINED(3)
-#define NETX_IRQ_HIF_PIO72 NETX_IRQ_HIF_CHAINED(4)
-#define NETX_IRQ_HIF_LAST NETX_IRQ_HIF_CHAINED(4)
-
-#define NR_IRQS (NETX_IRQ_HIF_LAST + 1)
diff --git a/arch/arm/mach-netx/include/mach/netx-regs.h b/arch/arm/mach-netx/include/mach/netx-regs.h
deleted file mode 100644
index 7c356a6ab80b..000000000000
--- a/arch/arm/mach-netx/include/mach/netx-regs.h
+++ /dev/null
@@ -1,420 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/include/mach/netx-regs.h
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#ifndef __ASM_ARCH_NETX_REGS_H
-#define __ASM_ARCH_NETX_REGS_H
-
-/* offsets relative to the beginning of the io space */
-#define NETX_OFS_SYSTEM 0x00000
-#define NETX_OFS_MEMCR 0x00100
-#define NETX_OFS_DPMAS 0x03000
-#define NETX_OFS_GPIO 0x00800
-#define NETX_OFS_PIO 0x00900
-#define NETX_OFS_UART0 0x00a00
-#define NETX_OFS_UART1 0x00a40
-#define NETX_OFS_UART2 0x00a80
-#define NETX_OF_MIIMU 0x00b00
-#define NETX_OFS_SPI 0x00c00
-#define NETX_OFS_I2C 0x00d00
-#define NETX_OFS_SYSTIME 0x01100
-#define NETX_OFS_RTC 0x01200
-#define NETX_OFS_EXTBUS 0x03600
-#define NETX_OFS_LCD 0x04000
-#define NETX_OFS_USB 0x20000
-#define NETX_OFS_XMAC0 0x60000
-#define NETX_OFS_XMAC1 0x61000
-#define NETX_OFS_XMAC2 0x62000
-#define NETX_OFS_XMAC3 0x63000
-#define NETX_OFS_XMAC(no) (0x60000 + (no) * 0x1000)
-#define NETX_OFS_PFIFO 0x64000
-#define NETX_OFS_XPEC0 0x70000
-#define NETX_OFS_XPEC1 0x74000
-#define NETX_OFS_XPEC2 0x78000
-#define NETX_OFS_XPEC3 0x7c000
-#define NETX_OFS_XPEC(no) (0x70000 + (no) * 0x4000)
-#define NETX_OFS_VIC 0xff000
-
-/* physical addresses */
-#define NETX_PA_SYSTEM (NETX_IO_PHYS + NETX_OFS_SYSTEM)
-#define NETX_PA_MEMCR (NETX_IO_PHYS + NETX_OFS_MEMCR)
-#define NETX_PA_DPMAS (NETX_IO_PHYS + NETX_OFS_DPMAS)
-#define NETX_PA_GPIO (NETX_IO_PHYS + NETX_OFS_GPIO)
-#define NETX_PA_PIO (NETX_IO_PHYS + NETX_OFS_PIO)
-#define NETX_PA_UART0 (NETX_IO_PHYS + NETX_OFS_UART0)
-#define NETX_PA_UART1 (NETX_IO_PHYS + NETX_OFS_UART1)
-#define NETX_PA_UART2 (NETX_IO_PHYS + NETX_OFS_UART2)
-#define NETX_PA_MIIMU (NETX_IO_PHYS + NETX_OF_MIIMU)
-#define NETX_PA_SPI (NETX_IO_PHYS + NETX_OFS_SPI)
-#define NETX_PA_I2C (NETX_IO_PHYS + NETX_OFS_I2C)
-#define NETX_PA_SYSTIME (NETX_IO_PHYS + NETX_OFS_SYSTIME)
-#define NETX_PA_RTC (NETX_IO_PHYS + NETX_OFS_RTC)
-#define NETX_PA_EXTBUS (NETX_IO_PHYS + NETX_OFS_EXTBUS)
-#define NETX_PA_LCD (NETX_IO_PHYS + NETX_OFS_LCD)
-#define NETX_PA_USB (NETX_IO_PHYS + NETX_OFS_USB)
-#define NETX_PA_XMAC0 (NETX_IO_PHYS + NETX_OFS_XMAC0)
-#define NETX_PA_XMAC1 (NETX_IO_PHYS + NETX_OFS_XMAC1)
-#define NETX_PA_XMAC2 (NETX_IO_PHYS + NETX_OFS_XMAC2)
-#define NETX_PA_XMAC3 (NETX_IO_PHYS + NETX_OFS_XMAC3)
-#define NETX_PA_XMAC(no) (NETX_IO_PHYS + NETX_OFS_XMAC(no))
-#define NETX_PA_PFIFO (NETX_IO_PHYS + NETX_OFS_PFIFO)
-#define NETX_PA_XPEC0 (NETX_IO_PHYS + NETX_OFS_XPEC0)
-#define NETX_PA_XPEC1 (NETX_IO_PHYS + NETX_OFS_XPEC1)
-#define NETX_PA_XPEC2 (NETX_IO_PHYS + NETX_OFS_XPEC2)
-#define NETX_PA_XPEC3 (NETX_IO_PHYS + NETX_OFS_XPEC3)
-#define NETX_PA_XPEC(no) (NETX_IO_PHYS + NETX_OFS_XPEC(no))
-#define NETX_PA_VIC (NETX_IO_PHYS + NETX_OFS_VIC)
-
-/* virtual addresses */
-#define NETX_VA_SYSTEM (NETX_IO_VIRT + NETX_OFS_SYSTEM)
-#define NETX_VA_MEMCR (NETX_IO_VIRT + NETX_OFS_MEMCR)
-#define NETX_VA_DPMAS (NETX_IO_VIRT + NETX_OFS_DPMAS)
-#define NETX_VA_GPIO (NETX_IO_VIRT + NETX_OFS_GPIO)
-#define NETX_VA_PIO (NETX_IO_VIRT + NETX_OFS_PIO)
-#define NETX_VA_UART0 (NETX_IO_VIRT + NETX_OFS_UART0)
-#define NETX_VA_UART1 (NETX_IO_VIRT + NETX_OFS_UART1)
-#define NETX_VA_UART2 (NETX_IO_VIRT + NETX_OFS_UART2)
-#define NETX_VA_MIIMU (NETX_IO_VIRT + NETX_OF_MIIMU)
-#define NETX_VA_SPI (NETX_IO_VIRT + NETX_OFS_SPI)
-#define NETX_VA_I2C (NETX_IO_VIRT + NETX_OFS_I2C)
-#define NETX_VA_SYSTIME (NETX_IO_VIRT + NETX_OFS_SYSTIME)
-#define NETX_VA_RTC (NETX_IO_VIRT + NETX_OFS_RTC)
-#define NETX_VA_EXTBUS (NETX_IO_VIRT + NETX_OFS_EXTBUS)
-#define NETX_VA_LCD (NETX_IO_VIRT + NETX_OFS_LCD)
-#define NETX_VA_USB (NETX_IO_VIRT + NETX_OFS_USB)
-#define NETX_VA_XMAC0 (NETX_IO_VIRT + NETX_OFS_XMAC0)
-#define NETX_VA_XMAC1 (NETX_IO_VIRT + NETX_OFS_XMAC1)
-#define NETX_VA_XMAC2 (NETX_IO_VIRT + NETX_OFS_XMAC2)
-#define NETX_VA_XMAC3 (NETX_IO_VIRT + NETX_OFS_XMAC3)
-#define NETX_VA_XMAC(no) (NETX_IO_VIRT + NETX_OFS_XMAC(no))
-#define NETX_VA_PFIFO (NETX_IO_VIRT + NETX_OFS_PFIFO)
-#define NETX_VA_XPEC0 (NETX_IO_VIRT + NETX_OFS_XPEC0)
-#define NETX_VA_XPEC1 (NETX_IO_VIRT + NETX_OFS_XPEC1)
-#define NETX_VA_XPEC2 (NETX_IO_VIRT + NETX_OFS_XPEC2)
-#define NETX_VA_XPEC3 (NETX_IO_VIRT + NETX_OFS_XPEC3)
-#define NETX_VA_XPEC(no) (NETX_IO_VIRT + NETX_OFS_XPEC(no))
-#define NETX_VA_VIC (NETX_IO_VIRT + NETX_OFS_VIC)
-
-/*********************************
- * System functions *
- *********************************/
-
-/* Registers */
-#define NETX_SYSTEM_REG(ofs) IOMEM(NETX_VA_SYSTEM + (ofs))
-#define NETX_SYSTEM_BOO_SR NETX_SYSTEM_REG(0x00)
-#define NETX_SYSTEM_IOC_CR NETX_SYSTEM_REG(0x04)
-#define NETX_SYSTEM_IOC_MR NETX_SYSTEM_REG(0x08)
-
-/* FIXME: Docs are not consistent */
-/* #define NETX_SYSTEM_RES_CR NETX_SYSTEM_REG(0x08) */
-#define NETX_SYSTEM_RES_CR NETX_SYSTEM_REG(0x0c)
-
-#define NETX_SYSTEM_PHY_CONTROL NETX_SYSTEM_REG(0x10)
-#define NETX_SYSTEM_REV NETX_SYSTEM_REG(0x34)
-#define NETX_SYSTEM_IOC_ACCESS_KEY NETX_SYSTEM_REG(0x70)
-#define NETX_SYSTEM_WDG_TR NETX_SYSTEM_REG(0x200)
-#define NETX_SYSTEM_WDG_CTR NETX_SYSTEM_REG(0x204)
-#define NETX_SYSTEM_WDG_IRQ_TIMEOUT NETX_SYSTEM_REG(0x208)
-#define NETX_SYSTEM_WDG_RES_TIMEOUT NETX_SYSTEM_REG(0x20c)
-
-/* Bits */
-#define NETX_SYSTEM_RES_CR_RSTIN (1<<0)
-#define NETX_SYSTEM_RES_CR_WDG_RES (1<<1)
-#define NETX_SYSTEM_RES_CR_HOST_RES (1<<2)
-#define NETX_SYSTEM_RES_CR_FIRMW_RES (1<<3)
-#define NETX_SYSTEM_RES_CR_XPEC0_RES (1<<4)
-#define NETX_SYSTEM_RES_CR_XPEC1_RES (1<<5)
-#define NETX_SYSTEM_RES_CR_XPEC2_RES (1<<6)
-#define NETX_SYSTEM_RES_CR_XPEC3_RES (1<<7)
-#define NETX_SYSTEM_RES_CR_DIS_XPEC0_RES (1<<16)
-#define NETX_SYSTEM_RES_CR_DIS_XPEC1_RES (1<<17)
-#define NETX_SYSTEM_RES_CR_DIS_XPEC2_RES (1<<18)
-#define NETX_SYSTEM_RES_CR_DIS_XPEC3_RES (1<<19)
-#define NETX_SYSTEM_RES_CR_FIRMW_FLG0 (1<<20)
-#define NETX_SYSTEM_RES_CR_FIRMW_FLG1 (1<<21)
-#define NETX_SYSTEM_RES_CR_FIRMW_FLG2 (1<<22)
-#define NETX_SYSTEM_RES_CR_FIRMW_FLG3 (1<<23)
-#define NETX_SYSTEM_RES_CR_FIRMW_RES_EN (1<<24)
-#define NETX_SYSTEM_RES_CR_RSTOUT (1<<25)
-#define NETX_SYSTEM_RES_CR_EN_RSTOUT (1<<26)
-
-#define PHY_CONTROL_RESET (1<<31)
-#define PHY_CONTROL_SIM_BYP (1<<30)
-#define PHY_CONTROL_CLK_XLATIN (1<<29)
-#define PHY_CONTROL_PHY1_EN (1<<21)
-#define PHY_CONTROL_PHY1_NP_MSG_CODE
-#define PHY_CONTROL_PHY1_AUTOMDIX (1<<17)
-#define PHY_CONTROL_PHY1_FIXMODE (1<<16)
-#define PHY_CONTROL_PHY1_MODE(mode) (((mode) & 0x7) << 13)
-#define PHY_CONTROL_PHY0_EN (1<<12)
-#define PHY_CONTROL_PHY0_NP_MSG_CODE
-#define PHY_CONTROL_PHY0_AUTOMDIX (1<<8)
-#define PHY_CONTROL_PHY0_FIXMODE (1<<7)
-#define PHY_CONTROL_PHY0_MODE(mode) (((mode) & 0x7) << 4)
-#define PHY_CONTROL_PHY_ADDRESS(adr) ((adr) & 0xf)
-
-#define PHY_MODE_10BASE_T_HALF 0
-#define PHY_MODE_10BASE_T_FULL 1
-#define PHY_MODE_100BASE_TX_FX_FULL 2
-#define PHY_MODE_100BASE_TX_FX_HALF 3
-#define PHY_MODE_100BASE_TX_HALF 4
-#define PHY_MODE_REPEATER 5
-#define PHY_MODE_POWER_DOWN 6
-#define PHY_MODE_ALL 7
-
-/* Bits */
-#define VECT_CNTL_ENABLE (1 << 5)
-
-/*******************************
- * GPIO and timer module *
- *******************************/
-
-/* Registers */
-#define NETX_GPIO_REG(ofs) IOMEM(NETX_VA_GPIO + (ofs))
-#define NETX_GPIO_CFG(gpio) NETX_GPIO_REG(0x0 + ((gpio)<<2))
-#define NETX_GPIO_THRESHOLD_CAPTURE(gpio) NETX_GPIO_REG(0x40 + ((gpio)<<2))
-#define NETX_GPIO_COUNTER_CTRL(counter) NETX_GPIO_REG(0x80 + ((counter)<<2))
-#define NETX_GPIO_COUNTER_MAX(counter) NETX_GPIO_REG(0x94 + ((counter)<<2))
-#define NETX_GPIO_COUNTER_CURRENT(counter) NETX_GPIO_REG(0xa8 + ((counter)<<2))
-#define NETX_GPIO_IRQ_ENABLE NETX_GPIO_REG(0xbc)
-#define NETX_GPIO_IRQ_DISABLE NETX_GPIO_REG(0xc0)
-#define NETX_GPIO_SYSTIME_NS_CMP NETX_GPIO_REG(0xc4)
-#define NETX_GPIO_LINE NETX_GPIO_REG(0xc8)
-#define NETX_GPIO_IRQ NETX_GPIO_REG(0xd0)
-
-/* Bits */
-#define NETX_GPIO_CFG_IOCFG_GP_INPUT (0x0)
-#define NETX_GPIO_CFG_IOCFG_GP_OUTPUT (0x1)
-#define NETX_GPIO_CFG_IOCFG_GP_UART (0x2)
-#define NETX_GPIO_CFG_INV (1<<2)
-#define NETX_GPIO_CFG_MODE_INPUT_READ (0<<3)
-#define NETX_GPIO_CFG_MODE_INPUT_CAPTURE_CONT_RISING (1<<3)
-#define NETX_GPIO_CFG_MODE_INPUT_CAPTURE_ONCE_RISING (2<<3)
-#define NETX_GPIO_CFG_MODE_INPUT_CAPTURE_HIGH_LEVEL (3<<3)
-#define NETX_GPIO_CFG_COUNT_REF_COUNTER0 (0<<5)
-#define NETX_GPIO_CFG_COUNT_REF_COUNTER1 (1<<5)
-#define NETX_GPIO_CFG_COUNT_REF_COUNTER2 (2<<5)
-#define NETX_GPIO_CFG_COUNT_REF_COUNTER3 (3<<5)
-#define NETX_GPIO_CFG_COUNT_REF_COUNTER4 (4<<5)
-#define NETX_GPIO_CFG_COUNT_REF_SYSTIME (7<<5)
-
-#define NETX_GPIO_COUNTER_CTRL_RUN (1<<0)
-#define NETX_GPIO_COUNTER_CTRL_SYM (1<<1)
-#define NETX_GPIO_COUNTER_CTRL_ONCE (1<<2)
-#define NETX_GPIO_COUNTER_CTRL_IRQ_EN (1<<3)
-#define NETX_GPIO_COUNTER_CTRL_CNT_EVENT (1<<4)
-#define NETX_GPIO_COUNTER_CTRL_RST_EN (1<<5)
-#define NETX_GPIO_COUNTER_CTRL_SEL_EVENT (1<<6)
-#define NETX_GPIO_COUNTER_CTRL_GPIO_REF /* FIXME */
-
-#define GPIO_BIT(gpio) (1<<(gpio))
-#define COUNTER_BIT(counter) ((1<<16)<<(counter))
-
-/*******************************
- * PIO *
- *******************************/
-
-/* Registers */
-#define NETX_PIO_REG(ofs) IOMEM(NETX_VA_PIO + (ofs))
-#define NETX_PIO_INPIO NETX_PIO_REG(0x0)
-#define NETX_PIO_OUTPIO NETX_PIO_REG(0x4)
-#define NETX_PIO_OEPIO NETX_PIO_REG(0x8)
-
-/*******************************
- * MII Unit *
- *******************************/
-
-/* Registers */
-#define NETX_MIIMU IOMEM(NETX_VA_MIIMU)
-
-/* Bits */
-#define MIIMU_SNRDY (1<<0)
-#define MIIMU_PREAMBLE (1<<1)
-#define MIIMU_OPMODE_WRITE (1<<2)
-#define MIIMU_MDC_PERIOD (1<<3)
-#define MIIMU_PHY_NRES (1<<4)
-#define MIIMU_RTA (1<<5)
-#define MIIMU_REGADDR(adr) (((adr) & 0x1f) << 6)
-#define MIIMU_PHYADDR(adr) (((adr) & 0x1f) << 11)
-#define MIIMU_DATA(data) (((data) & 0xffff) << 16)
-
-/*******************************
- * xmac / xpec *
- *******************************/
-
-/* XPEC register offsets relative to NETX_VA_XPEC(no) */
-#define NETX_XPEC_R0_OFS 0x00
-#define NETX_XPEC_R1_OFS 0x04
-#define NETX_XPEC_R2_OFS 0x08
-#define NETX_XPEC_R3_OFS 0x0c
-#define NETX_XPEC_R4_OFS 0x10
-#define NETX_XPEC_R5_OFS 0x14
-#define NETX_XPEC_R6_OFS 0x18
-#define NETX_XPEC_R7_OFS 0x1c
-#define NETX_XPEC_RANGE01_OFS 0x20
-#define NETX_XPEC_RANGE23_OFS 0x24
-#define NETX_XPEC_RANGE45_OFS 0x28
-#define NETX_XPEC_RANGE67_OFS 0x2c
-#define NETX_XPEC_PC_OFS 0x48
-#define NETX_XPEC_TIMER_OFS(timer) (0x30 + ((timer)<<2))
-#define NETX_XPEC_IRQ_OFS 0x8c
-#define NETX_XPEC_SYSTIME_NS_OFS 0x90
-#define NETX_XPEC_FIFO_DATA_OFS 0x94
-#define NETX_XPEC_SYSTIME_S_OFS 0x98
-#define NETX_XPEC_ADC_OFS 0x9c
-#define NETX_XPEC_URX_COUNT_OFS 0x40
-#define NETX_XPEC_UTX_COUNT_OFS 0x44
-#define NETX_XPEC_PC_OFS 0x48
-#define NETX_XPEC_ZERO_OFS 0x4c
-#define NETX_XPEC_STATCFG_OFS 0x50
-#define NETX_XPEC_EC_MASKA_OFS 0x54
-#define NETX_XPEC_EC_MASKB_OFS 0x58
-#define NETX_XPEC_EC_MASK0_OFS 0x5c
-#define NETX_XPEC_EC_MASK8_OFS 0x7c
-#define NETX_XPEC_EC_MASK9_OFS 0x80
-#define NETX_XPEC_XPU_HOLD_PC_OFS 0x100
-#define NETX_XPEC_RAM_START_OFS 0x2000
-
-/* Bits */
-#define XPU_HOLD_PC (1<<0)
-
-/* XMAC register offsets relative to NETX_VA_XMAC(no) */
-#define NETX_XMAC_RPU_PROGRAM_START_OFS 0x000
-#define NETX_XMAC_RPU_PROGRAM_END_OFS 0x3ff
-#define NETX_XMAC_TPU_PROGRAM_START_OFS 0x400
-#define NETX_XMAC_TPU_PROGRAM_END_OFS 0x7ff
-#define NETX_XMAC_RPU_HOLD_PC_OFS 0xa00
-#define NETX_XMAC_TPU_HOLD_PC_OFS 0xa04
-#define NETX_XMAC_STATUS_SHARED0_OFS 0x840
-#define NETX_XMAC_CONFIG_SHARED0_OFS 0x844
-#define NETX_XMAC_STATUS_SHARED1_OFS 0x848
-#define NETX_XMAC_CONFIG_SHARED1_OFS 0x84c
-#define NETX_XMAC_STATUS_SHARED2_OFS 0x850
-#define NETX_XMAC_CONFIG_SHARED2_OFS 0x854
-#define NETX_XMAC_STATUS_SHARED3_OFS 0x858
-#define NETX_XMAC_CONFIG_SHARED3_OFS 0x85c
-
-#define RPU_HOLD_PC (1<<15)
-#define TPU_HOLD_PC (1<<15)
-
-/*******************************
- * Pointer FIFO *
- *******************************/
-
-/* Registers */
-#define NETX_PFIFO_REG(ofs) IOMEM(NETX_VA_PFIFO + (ofs))
-#define NETX_PFIFO_BASE(pfifo) NETX_PFIFO_REG(0x00 + ((pfifo)<<2))
-#define NETX_PFIFO_BORDER_BASE(pfifo) NETX_PFIFO_REG(0x80 + ((pfifo)<<2))
-#define NETX_PFIFO_RESET NETX_PFIFO_REG(0x100)
-#define NETX_PFIFO_FULL NETX_PFIFO_REG(0x104)
-#define NETX_PFIFO_EMPTY NETX_PFIFO_REG(0x108)
-#define NETX_PFIFO_OVEFLOW NETX_PFIFO_REG(0x10c)
-#define NETX_PFIFO_UNDERRUN NETX_PFIFO_REG(0x110)
-#define NETX_PFIFO_FILL_LEVEL(pfifo) NETX_PFIFO_REG(0x180 + ((pfifo)<<2))
-#define NETX_PFIFO_XPEC_ISR(xpec) NETX_PFIFO_REG(0x400 + ((xpec) << 2))
-
-
-/*******************************
- * Memory Controller *
- *******************************/
-
-/* Registers */
-#define NETX_MEMCR_REG(ofs) IOMEM(NETX_VA_MEMCR + (ofs))
-#define NETX_MEMCR_SRAM_CTRL(cs) NETX_MEMCR_REG(0x0 + 4 * (cs)) /* SRAM for CS 0..2 */
-#define NETX_MEMCR_SDRAM_CFG_CTRL NETX_MEMCR_REG(0x40)
-#define NETX_MEMCR_SDRAM_TIMING_CTRL NETX_MEMCR_REG(0x44)
-#define NETX_MEMCR_SDRAM_MODE NETX_MEMCR_REG(0x48)
-#define NETX_MEMCR_SDRAM_EXT_MODE NETX_MEMCR_REG(0x4c)
-#define NETX_MEMCR_PRIO_TIMESLOT_CTRL NETX_MEMCR_REG(0x80)
-#define NETX_MEMCR_PRIO_ACCESS_CTRL NETX_MEMCR_REG(0x84)
-
-/* Bits */
-#define NETX_MEMCR_SRAM_CTRL_WIDTHEXTMEM(x) (((x) & 0x3) << 24)
-#define NETX_MEMCR_SRAM_CTRL_WSPOSTPAUSEEXTMEM(x) (((x) & 0x3) << 16)
-#define NETX_MEMCR_SRAM_CTRL_WSPREPASEEXTMEM(x) (((x) & 0x3) << 8)
-#define NETX_MEMCR_SRAM_CTRL_WSEXTMEM(x) (((x) & 0x1f) << 0)
-
-
-/*******************************
- * Dual Port Memory *
- *******************************/
-
-/* Registers */
-#define NETX_DPMAS_REG(ofs) IOMEM(NETX_VA_DPMAS + (ofs))
-#define NETX_DPMAS_SYS_STAT NETX_DPMAS_REG(0x4d8)
-#define NETX_DPMAS_INT_STAT NETX_DPMAS_REG(0x4e0)
-#define NETX_DPMAS_INT_EN NETX_DPMAS_REG(0x4f0)
-#define NETX_DPMAS_IF_CONF0 NETX_DPMAS_REG(0x608)
-#define NETX_DPMAS_IF_CONF1 NETX_DPMAS_REG(0x60c)
-#define NETX_DPMAS_EXT_CONFIG(cs) NETX_DPMAS_REG(0x610 + 4 * (cs))
-#define NETX_DPMAS_IO_MODE0 NETX_DPMAS_REG(0x620) /* I/O 32..63 */
-#define NETX_DPMAS_DRV_EN0 NETX_DPMAS_REG(0x624)
-#define NETX_DPMAS_DATA0 NETX_DPMAS_REG(0x628)
-#define NETX_DPMAS_IO_MODE1 NETX_DPMAS_REG(0x630) /* I/O 64..84 */
-#define NETX_DPMAS_DRV_EN1 NETX_DPMAS_REG(0x634)
-#define NETX_DPMAS_DATA1 NETX_DPMAS_REG(0x638)
-
-/* Bits */
-#define NETX_DPMAS_INT_EN_GLB_EN (1<<31)
-#define NETX_DPMAS_INT_EN_MEM_LCK (1<<30)
-#define NETX_DPMAS_INT_EN_WDG (1<<29)
-#define NETX_DPMAS_INT_EN_PIO72 (1<<28)
-#define NETX_DPMAS_INT_EN_PIO47 (1<<27)
-#define NETX_DPMAS_INT_EN_PIO40 (1<<26)
-#define NETX_DPMAS_INT_EN_PIO36 (1<<25)
-#define NETX_DPMAS_INT_EN_PIO35 (1<<24)
-
-#define NETX_DPMAS_IF_CONF0_HIF_DISABLED (0<<28)
-#define NETX_DPMAS_IF_CONF0_HIF_EXT_BUS (1<<28)
-#define NETX_DPMAS_IF_CONF0_HIF_UP_8BIT (2<<28)
-#define NETX_DPMAS_IF_CONF0_HIF_UP_16BIT (3<<28)
-#define NETX_DPMAS_IF_CONF0_HIF_IO (4<<28)
-#define NETX_DPMAS_IF_CONF0_WAIT_DRV_PP (1<<14)
-#define NETX_DPMAS_IF_CONF0_WAIT_DRV_OD (2<<14)
-#define NETX_DPMAS_IF_CONF0_WAIT_DRV_TRI (3<<14)
-
-#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO35 (1<<26)
-#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO36 (1<<27)
-#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO40 (1<<28)
-#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO47 (1<<29)
-#define NETX_DPMAS_IF_CONF1_IRQ_POL_PIO72 (1<<30)
-
-#define NETX_EXT_CONFIG_TALEWIDTH(x) (((x) & 0x7) << 29)
-#define NETX_EXT_CONFIG_TADRHOLD(x) (((x) & 0x7) << 26)
-#define NETX_EXT_CONFIG_TCSON(x) (((x) & 0x7) << 23)
-#define NETX_EXT_CONFIG_TRDON(x) (((x) & 0x7) << 20)
-#define NETX_EXT_CONFIG_TWRON(x) (((x) & 0x7) << 17)
-#define NETX_EXT_CONFIG_TWROFF(x) (((x) & 0x1f) << 12)
-#define NETX_EXT_CONFIG_TRDWRCYC(x) (((x) & 0x1f) << 7)
-#define NETX_EXT_CONFIG_WAIT_POL (1<<6)
-#define NETX_EXT_CONFIG_WAIT_EN (1<<5)
-#define NETX_EXT_CONFIG_NRD_MODE (1<<4)
-#define NETX_EXT_CONFIG_DS_MODE (1<<3)
-#define NETX_EXT_CONFIG_NWR_MODE (1<<2)
-#define NETX_EXT_CONFIG_16BIT (1<<1)
-#define NETX_EXT_CONFIG_CS_ENABLE (1<<0)
-
-#define NETX_DPMAS_IO_MODE0_WRL (1<<13)
-#define NETX_DPMAS_IO_MODE0_WAIT (1<<14)
-#define NETX_DPMAS_IO_MODE0_READY (1<<15)
-#define NETX_DPMAS_IO_MODE0_CS0 (1<<19)
-#define NETX_DPMAS_IO_MODE0_EXTRD (1<<20)
-
-#define NETX_DPMAS_IO_MODE1_CS2 (1<<15)
-#define NETX_DPMAS_IO_MODE1_CS1 (1<<16)
-#define NETX_DPMAS_IO_MODE1_SAMPLE_NPOR (0<<30)
-#define NETX_DPMAS_IO_MODE1_SAMPLE_100MHZ (1<<30)
-#define NETX_DPMAS_IO_MODE1_SAMPLE_NPIO36 (2<<30)
-#define NETX_DPMAS_IO_MODE1_SAMPLE_PIO36 (3<<30)
-
-/*******************************
- * I2C *
- *******************************/
-#define NETX_I2C_REG(ofs) IOMEM(NETX_VA_I2C, (ofs))
-#define NETX_I2C_CTRL NETX_I2C_REG(0x0)
-#define NETX_I2C_DATA NETX_I2C_REG(0x4)
-
-#endif /* __ASM_ARCH_NETX_REGS_H */
diff --git a/arch/arm/mach-netx/include/mach/pfifo.h b/arch/arm/mach-netx/include/mach/pfifo.h
deleted file mode 100644
index de23180bc937..000000000000
--- a/arch/arm/mach-netx/include/mach/pfifo.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/include/mach/pfifo.h
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-
-#ifndef ASM_ARCH_PFIFO_H
-#define ASM_ARCH_PFIFO_H
-
-static inline int pfifo_push(int no, unsigned int pointer)
-{
- writel(pointer, NETX_PFIFO_BASE(no));
- return 0;
-}
-
-static inline unsigned int pfifo_pop(int no)
-{
- return readl(NETX_PFIFO_BASE(no));
-}
-
-static inline int pfifo_fill_level(int no)
-{
-
- return readl(NETX_PFIFO_FILL_LEVEL(no));
-}
-
-static inline int pfifo_full(int no)
-{
- return readl(NETX_PFIFO_FULL) & (1<<no) ? 1 : 0;
-}
-
-static inline int pfifo_empty(int no)
-{
- return readl(NETX_PFIFO_EMPTY) & (1<<no) ? 1 : 0;
-}
-
-int pfifo_request(unsigned int pfifo_mask);
-void pfifo_free(unsigned int pfifo_mask);
-
-#endif /* ASM_ARCH_PFIFO_H */
diff --git a/arch/arm/mach-netx/include/mach/uncompress.h b/arch/arm/mach-netx/include/mach/uncompress.h
deleted file mode 100644
index edc1ac997eab..000000000000
--- a/arch/arm/mach-netx/include/mach/uncompress.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/include/mach/uncompress.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-/*
- * The following code assumes the serial port has already been
- * initialized by the bootloader. We search for the first enabled
- * port in the most probable order. If you didn't setup a port in
- * your bootloader then nothing will appear (which might be desired).
- *
- * This does not append a newline
- */
-
-#define REG(x) (*(volatile unsigned long *)(x))
-
-#define UART1_BASE 0x100a00
-#define UART2_BASE 0x100a80
-
-#define UART_DR 0x0
-
-#define UART_CR 0x14
-#define CR_UART_EN (1<<0)
-
-#define UART_FR 0x18
-#define FR_BUSY (1<<3)
-#define FR_TXFF (1<<5)
-
-static inline void putc(char c)
-{
- unsigned long base;
-
- if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
- base = UART1_BASE;
- else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
- base = UART2_BASE;
- else
- return;
-
- while (REG(base + UART_FR) & FR_TXFF);
- REG(base + UART_DR) = c;
-}
-
-static inline void flush(void)
-{
- unsigned long base;
-
- if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
- base = UART1_BASE;
- else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
- base = UART2_BASE;
- else
- return;
-
- while (REG(base + UART_FR) & FR_BUSY);
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_setup()
diff --git a/arch/arm/mach-netx/include/mach/xc.h b/arch/arm/mach-netx/include/mach/xc.h
deleted file mode 100644
index 465d5e250ab8..000000000000
--- a/arch/arm/mach-netx/include/mach/xc.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * arch/arm/mach-netx/include/mach/xc.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#ifndef __ASM_ARCH_XC_H
-#define __ASM_ARCH_XC_H
-
-struct xc {
- int no;
- unsigned int type;
- unsigned int version;
- void __iomem *xpec_base;
- void __iomem *xmac_base;
- void __iomem *sram_base;
- int irq;
- struct device *dev;
-};
-
-int xc_reset(struct xc *x);
-int xc_stop(struct xc* x);
-int xc_start(struct xc *x);
-int xc_running(struct xc *x);
-int xc_request_firmware(struct xc* x);
-struct xc* request_xc(int xcno, struct device *dev);
-void free_xc(struct xc *x);
-
-#endif /* __ASM_ARCH_XC_H */
diff --git a/arch/arm/mach-netx/nxdb500.c b/arch/arm/mach-netx/nxdb500.c
deleted file mode 100644
index ad5e6747b834..000000000000
--- a/arch/arm/mach-netx/nxdb500.c
+++ /dev/null
@@ -1,197 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/nxdb500.c
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/mtd/plat-ram.h>
-#include <linux/platform_device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <mach/netx-regs.h>
-#include <linux/platform_data/eth-netx.h>
-
-#include "generic.h"
-#include "fb.h"
-
-static struct clcd_panel qvga = {
- .mode = {
- .name = "QVGA",
- .refresh = 60,
- .xres = 240,
- .yres = 320,
- .pixclock = 187617,
- .left_margin = 6,
- .right_margin = 26,
- .upper_margin = 0,
- .lower_margin = 6,
- .hsync_len = 6,
- .vsync_len = 1,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = 16,
- .cntl = CNTL_LCDTFT | CNTL_BGR,
- .bpp = 16,
- .grayscale = 0,
-};
-
-static inline int nxdb500_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
-{
- var->green.length = 5;
- var->green.msb_right = 0;
-
- return clcdfb_check(fb, var);
-}
-
-static int nxdb500_clcd_setup(struct clcd_fb *fb)
-{
- unsigned int val;
-
- fb->fb.var.green.length = 5;
- fb->fb.var.green.msb_right = 0;
-
- /* enable asic control */
- val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
- writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
-
- writel(3, NETX_SYSTEM_IOC_CR);
-
- val = readl(NETX_PIO_OUTPIO);
- writel(val | 1, NETX_PIO_OUTPIO);
-
- val = readl(NETX_PIO_OEPIO);
- writel(val | 1, NETX_PIO_OEPIO);
- return netx_clcd_setup(fb);
-}
-
-static struct clcd_board clcd_data = {
- .name = "netX",
- .check = nxdb500_check,
- .decode = clcdfb_decode,
- .enable = netx_clcd_enable,
- .setup = nxdb500_clcd_setup,
- .mmap = netx_clcd_mmap,
- .remove = netx_clcd_remove,
-};
-
-static struct netxeth_platform_data eth0_platform_data = {
- .xcno = 0,
-};
-
-static struct platform_device netx_eth0_device = {
- .name = "netx-eth",
- .id = 0,
- .num_resources = 0,
- .resource = NULL,
- .dev = {
- .platform_data = &eth0_platform_data,
- }
-};
-
-static struct netxeth_platform_data eth1_platform_data = {
- .xcno = 1,
-};
-
-static struct platform_device netx_eth1_device = {
- .name = "netx-eth",
- .id = 1,
- .num_resources = 0,
- .resource = NULL,
- .dev = {
- .platform_data = &eth1_platform_data,
- }
-};
-
-static struct resource netx_uart0_resources[] = {
- [0] = {
- .start = 0x00100A00,
- .end = 0x00100A3F,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (NETX_IRQ_UART0),
- .end = (NETX_IRQ_UART0),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device netx_uart0_device = {
- .name = "netx-uart",
- .id = 0,
- .num_resources = ARRAY_SIZE(netx_uart0_resources),
- .resource = netx_uart0_resources,
-};
-
-static struct resource netx_uart1_resources[] = {
- [0] = {
- .start = 0x00100A40,
- .end = 0x00100A7F,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (NETX_IRQ_UART1),
- .end = (NETX_IRQ_UART1),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device netx_uart1_device = {
- .name = "netx-uart",
- .id = 1,
- .num_resources = ARRAY_SIZE(netx_uart1_resources),
- .resource = netx_uart1_resources,
-};
-
-static struct resource netx_uart2_resources[] = {
- [0] = {
- .start = 0x00100A80,
- .end = 0x00100ABF,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (NETX_IRQ_UART2),
- .end = (NETX_IRQ_UART2),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device netx_uart2_device = {
- .name = "netx-uart",
- .id = 2,
- .num_resources = ARRAY_SIZE(netx_uart2_resources),
- .resource = netx_uart2_resources,
-};
-
-static struct platform_device *devices[] __initdata = {
- &netx_eth0_device,
- &netx_eth1_device,
- &netx_uart0_device,
- &netx_uart1_device,
- &netx_uart2_device,
-};
-
-static void __init nxdb500_init(void)
-{
- netx_fb_init(&clcd_data, &qvga);
- platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-MACHINE_START(NXDB500, "Hilscher nxdb500")
- .atag_offset = 0x100,
- .map_io = netx_map_io,
- .init_irq = netx_init_irq,
- .init_time = netx_timer_init,
- .init_machine = nxdb500_init,
- .restart = netx_restart,
-MACHINE_END
diff --git a/arch/arm/mach-netx/nxdkn.c b/arch/arm/mach-netx/nxdkn.c
deleted file mode 100644
index 917381559628..000000000000
--- a/arch/arm/mach-netx/nxdkn.c
+++ /dev/null
@@ -1,90 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/nxdkn.c
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/mtd/plat-ram.h>
-#include <linux/platform_device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <mach/netx-regs.h>
-#include <linux/platform_data/eth-netx.h>
-
-#include "generic.h"
-
-static struct netxeth_platform_data eth0_platform_data = {
- .xcno = 0,
-};
-
-static struct platform_device nxdkn_eth0_device = {
- .name = "netx-eth",
- .id = 0,
- .num_resources = 0,
- .resource = NULL,
- .dev = {
- .platform_data = &eth0_platform_data,
- }
-};
-
-static struct netxeth_platform_data eth1_platform_data = {
- .xcno = 1,
-};
-
-static struct platform_device nxdkn_eth1_device = {
- .name = "netx-eth",
- .id = 1,
- .num_resources = 0,
- .resource = NULL,
- .dev = {
- .platform_data = &eth1_platform_data,
- }
-};
-
-static struct resource netx_uart0_resources[] = {
- [0] = {
- .start = 0x00100A00,
- .end = 0x00100A3F,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (NETX_IRQ_UART0),
- .end = (NETX_IRQ_UART0),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device netx_uart0_device = {
- .name = "netx-uart",
- .id = 0,
- .num_resources = ARRAY_SIZE(netx_uart0_resources),
- .resource = netx_uart0_resources,
-};
-
-static struct platform_device *devices[] __initdata = {
- &nxdkn_eth0_device,
- &nxdkn_eth1_device,
- &netx_uart0_device,
-};
-
-static void __init nxdkn_init(void)
-{
- platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-MACHINE_START(NXDKN, "Hilscher nxdkn")
- .atag_offset = 0x100,
- .map_io = netx_map_io,
- .init_irq = netx_init_irq,
- .init_time = netx_timer_init,
- .init_machine = nxdkn_init,
- .restart = netx_restart,
-MACHINE_END
diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c
deleted file mode 100644
index aa0d5b2ca712..000000000000
--- a/arch/arm/mach-netx/nxeb500hmi.c
+++ /dev/null
@@ -1,174 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/nxeb500hmi.c
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/mtd/plat-ram.h>
-#include <linux/platform_device.h>
-#include <linux/amba/bus.h>
-#include <linux/amba/clcd.h>
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <mach/netx-regs.h>
-#include <linux/platform_data/eth-netx.h>
-
-#include "generic.h"
-#include "fb.h"
-
-static struct clcd_panel qvga = {
- .mode = {
- .name = "QVGA",
- .refresh = 60,
- .xres = 240,
- .yres = 320,
- .pixclock = 187617,
- .left_margin = 6,
- .right_margin = 26,
- .upper_margin = 0,
- .lower_margin = 6,
- .hsync_len = 6,
- .vsync_len = 1,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED,
- },
- .width = -1,
- .height = -1,
- .tim2 = 16,
- .cntl = CNTL_LCDTFT | CNTL_BGR,
- .bpp = 16,
- .grayscale = 0,
-};
-
-static inline int nxeb500hmi_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
-{
- var->green.length = 5;
- var->green.msb_right = 0;
-
- return clcdfb_check(fb, var);
-}
-
-static int nxeb500hmi_clcd_setup(struct clcd_fb *fb)
-{
- unsigned int val;
-
- fb->fb.var.green.length = 5;
- fb->fb.var.green.msb_right = 0;
-
- /* enable asic control */
- val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
- writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
-
- writel(3, NETX_SYSTEM_IOC_CR);
-
- /* GPIO 14 is used for display enable on newer boards */
- writel(9, NETX_GPIO_CFG(14));
-
- val = readl(NETX_PIO_OUTPIO);
- writel(val | 1, NETX_PIO_OUTPIO);
-
- val = readl(NETX_PIO_OEPIO);
- writel(val | 1, NETX_PIO_OEPIO);
- return netx_clcd_setup(fb);
-}
-
-static struct clcd_board clcd_data = {
- .name = "netX",
- .check = nxeb500hmi_check,
- .decode = clcdfb_decode,
- .enable = netx_clcd_enable,
- .setup = nxeb500hmi_clcd_setup,
- .mmap = netx_clcd_mmap,
- .remove = netx_clcd_remove,
-};
-
-static struct netxeth_platform_data eth0_platform_data = {
- .xcno = 0,
-};
-
-static struct platform_device netx_eth0_device = {
- .name = "netx-eth",
- .id = 0,
- .num_resources = 0,
- .resource = NULL,
- .dev = {
- .platform_data = &eth0_platform_data,
- }
-};
-
-static struct netxeth_platform_data eth1_platform_data = {
- .xcno = 1,
-};
-
-static struct platform_device netx_eth1_device = {
- .name = "netx-eth",
- .id = 1,
- .num_resources = 0,
- .resource = NULL,
- .dev = {
- .platform_data = &eth1_platform_data,
- }
-};
-
-static struct resource netx_cf_resources[] = {
- [0] = {
- .start = 0x20000000,
- .end = 0x25ffffff,
- .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
- },
-};
-
-static struct platform_device netx_cf_device = {
- .name = "netx-cf",
- .id = 0,
- .resource = netx_cf_resources,
- .num_resources = ARRAY_SIZE(netx_cf_resources),
-};
-
-static struct resource netx_uart0_resources[] = {
- [0] = {
- .start = 0x00100A00,
- .end = 0x00100A3F,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = (NETX_IRQ_UART0),
- .end = (NETX_IRQ_UART0),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device netx_uart0_device = {
- .name = "netx-uart",
- .id = 0,
- .num_resources = ARRAY_SIZE(netx_uart0_resources),
- .resource = netx_uart0_resources,
-};
-
-static struct platform_device *devices[] __initdata = {
- &netx_eth0_device,
- &netx_eth1_device,
- &netx_cf_device,
- &netx_uart0_device,
-};
-
-static void __init nxeb500hmi_init(void)
-{
- netx_fb_init(&clcd_data, &qvga);
- platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi")
- .atag_offset = 0x100,
- .map_io = netx_map_io,
- .init_irq = netx_init_irq,
- .init_time = netx_timer_init,
- .init_machine = nxeb500hmi_init,
- .restart = netx_restart,
-MACHINE_END
diff --git a/arch/arm/mach-netx/pfifo.c b/arch/arm/mach-netx/pfifo.c
deleted file mode 100644
index 2e5cc777329f..000000000000
--- a/arch/arm/mach-netx/pfifo.c
+++ /dev/null
@@ -1,56 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/pfifo.c
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/netx-regs.h>
-#include <mach/pfifo.h>
-
-static DEFINE_MUTEX(pfifo_lock);
-
-static unsigned int pfifo_used = 0;
-
-int pfifo_request(unsigned int pfifo_mask)
-{
- int err = 0;
- unsigned int val;
-
- mutex_lock(&pfifo_lock);
-
- if (pfifo_mask & pfifo_used) {
- err = -EBUSY;
- goto out;
- }
-
- pfifo_used |= pfifo_mask;
-
- val = readl(NETX_PFIFO_RESET);
- writel(val | pfifo_mask, NETX_PFIFO_RESET);
- writel(val, NETX_PFIFO_RESET);
-
-out:
- mutex_unlock(&pfifo_lock);
- return err;
-}
-
-void pfifo_free(unsigned int pfifo_mask)
-{
- mutex_lock(&pfifo_lock);
- pfifo_used &= ~pfifo_mask;
- mutex_unlock(&pfifo_lock);
-}
-
-EXPORT_SYMBOL(pfifo_push);
-EXPORT_SYMBOL(pfifo_pop);
-EXPORT_SYMBOL(pfifo_fill_level);
-EXPORT_SYMBOL(pfifo_empty);
-EXPORT_SYMBOL(pfifo_request);
-EXPORT_SYMBOL(pfifo_free);
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
deleted file mode 100644
index d9defa1ab605..000000000000
--- a/arch/arm/mach-netx/time.c
+++ /dev/null
@@ -1,141 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-netx/time.c
- *
- * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/clocksource.h>
-#include <linux/clockchips.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <asm/mach/time.h>
-#include <mach/netx-regs.h>
-
-#define NETX_CLOCK_FREQ 100000000
-#define NETX_LATCH DIV_ROUND_CLOSEST(NETX_CLOCK_FREQ, HZ)
-
-#define TIMER_CLOCKEVENT 0
-#define TIMER_CLOCKSOURCE 1
-
-static inline void timer_shutdown(struct clock_event_device *evt)
-{
- /* disable timer */
- writel(0, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT));
-}
-
-static int netx_shutdown(struct clock_event_device *evt)
-{
- timer_shutdown(evt);
-
- return 0;
-}
-
-static int netx_set_oneshot(struct clock_event_device *evt)
-{
- u32 tmode = NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN;
-
- timer_shutdown(evt);
- writel(0, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT));
- writel(tmode, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT));
-
- return 0;
-}
-
-static int netx_set_periodic(struct clock_event_device *evt)
-{
- u32 tmode = NETX_GPIO_COUNTER_CTRL_RST_EN |
- NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN;
-
- timer_shutdown(evt);
- writel(NETX_LATCH, NETX_GPIO_COUNTER_MAX(TIMER_CLOCKEVENT));
- writel(tmode, NETX_GPIO_COUNTER_CTRL(TIMER_CLOCKEVENT));
-
- return 0;
-}
-
-static int netx_set_next_event(unsigned long evt,
- struct clock_event_device *clk)
-{
- writel(0 - evt, NETX_GPIO_COUNTER_CURRENT(TIMER_CLOCKEVENT));
- return 0;
-}
-
-static struct clock_event_device netx_clockevent = {
- .name = "netx-timer" __stringify(TIMER_CLOCKEVENT),
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = netx_set_next_event,
- .set_state_shutdown = netx_shutdown,
- .set_state_periodic = netx_set_periodic,
- .set_state_oneshot = netx_set_oneshot,
- .tick_resume = netx_shutdown,
-};
-
-/*
- * IRQ handler for the timer
- */