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2021-01-27arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4Marek Szyprowski1-1/+1
For the proper reboot Odroid-C4 board requires to switch TFLASH_VDD_EN pin to the high impedance mode, otherwise the board is stuck in the middle of loading early stages of the bootloader from SD card. This can be achieved by using the OPEN_DRAIN flag instead of the ACTIVE_HIGH, what will leave the pin in input mode to achieve high state (pin has the pull-up) and solve the issue. Suggested-by: Neil Armstrong <narmstrong@baylibre.com> Fixes: 326e57518b0d ("arm64: dts: meson-sm1: add support for Hardkernel ODROID-C4") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com> Link: https://lore.kernel.org/r/20210122055218.27241-1-m.szyprowski@samsung.com
2021-01-26Revert "arm64: dts: amlogic: add missing ethernet reset ID"Neil Armstrong3-7/+0
It has been reported on IRC and in KernelCI boot tests, this change breaks internal PHY support on the Amlogic G12A/SM1 Based boards. We suspect the added signal to reset more than the Ethernet MAC but also the MDIO/(RG)MII mux used to redirect the MAC signals to the internal PHY. This reverts commit f3362f0c18174a1f334a419ab7d567a36bd1b3f3 while we find and acceptable solution to cleanly reset the Ethernet MAC. Reported-by: Corentin Labbe <clabbe@baylibre.com> Acked-by: Jérôme Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com> Link: https://lore.kernel.org/r/20210126080951.2383740-1-narmstrong@baylibre.com
2021-01-26arm64: dts: rockchip: Disable display for NanoPi R2SRobin Murphy1-0/+4
NanoPi R2S is headless, so rightly does not enable any of the display interface hardware, which currently provokes an obnoxious error in the boot log from the fake DRM device failing to find anything to bind to. It probably isn't *too* hard to obviate the fake device shenanigans entirely with a bit of driver reshuffling, but for now let's just disable it here to shut up the spurious error. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/c4553dfad1ad6792c4f22454c135ff55de77e2d6.1611186099.git.robin.murphy@arm.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-25ARM: dts: omap4-droid4: Fix lost keypad slide interrupts for droid4Tony Lindgren1-0/+5
We may lose edge interrupts for gpio banks other than the first gpio bank as they are not always powered. Instead, we must use the padconf interrupt as that is always powered. Note that we still also use the gpio for reading the pin state as that can't be done with the padconf device. Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-01-22MAINTAINERS: Include bcm2835 subsequents into searchStefan Wahren1-1/+1
Change the bcm2835 maintainer info in order to handle subsequent SoCs. After this get_maintainers.pl provides the proper maintainers for irqchip-bcm2836. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-22arm64: dts: broadcom: Fix USB DMA address translation for StingrayBharat Gooty1-1/+6
Add a non-empty dma-ranges so that DMA address translation happens. Fixes: 2013a4b684b6 ("arm64: dts: broadcom: clear the warnings caused by empty dma-ranges") Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Ray Jui <ray.jui@broadcom.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-22drivers: soc: atmel: add null entry at the end of at91_soc_allowed_list[]Claudiu Beznea1-1/+2
of_match_node() calls __of_match_node() which loops though the entries of matches array. It stops when condition: (matches->name[0] || matches->type[0] || matches->compatible[0]) is false. Thus, add a null entry at the end of at91_soc_allowed_list[] array. Fixes: caab13b49604 ("drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs") Cc: stable@vger.kernel.org #4.12+ Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-22drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCsSudeep Holla1-0/+12
Since at91_soc_init is called unconditionally from atmel_soc_device_init, we get the following warning on all non AT91 SoCs: " AT91: Could not find identification node" Fix the same by filtering with allowed AT91 SoC list. Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Cc: stable@vger.kernel.org #4.12+ Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201211135846.1334322-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-21tee: optee: replace might_sleep with cond_reschedRouven Czerwinski1-1/+3
might_sleep() is a debugging aid and triggers rescheduling only for certain kernel configurations. Replace with an explicit check and reschedule to work for all kernel configurations. Fixes the following trace: [ 572.945146] rcu: INFO: rcu_sched self-detected stall on CPU [ 572.949275] rcu: 0-....: (2099 ticks this GP) idle=572/1/0x40000002 softirq=7412/7412 fqs=974 [ 572.957964] (t=2100 jiffies g=10393 q=21) [ 572.962054] NMI backtrace for cpu 0 [ 572.965540] CPU: 0 PID: 165 Comm: xtest Not tainted 5.8.7 #1 [ 572.971188] Hardware name: STM32 (Device Tree Support) [ 572.976354] [<c011163c>] (unwind_backtrace) from [<c010b7f8>] (show_stack+0x10/0x14) [ 572.984080] [<c010b7f8>] (show_stack) from [<c0511e4c>] (dump_stack+0xc4/0xd8) [ 572.991300] [<c0511e4c>] (dump_stack) from [<c0519abc>] (nmi_cpu_backtrace+0x90/0xc4) [ 572.999130] [<c0519abc>] (nmi_cpu_backtrace) from [<c0519bdc>] (nmi_trigger_cpumask_backtrace+0xec/0x130) [ 573.008706] [<c0519bdc>] (nmi_trigger_cpumask_backtrace) from [<c01a5184>] (rcu_dump_cpu_stacks+0xe8/0x110) [ 573.018453] [<c01a5184>] (rcu_dump_cpu_stacks) from [<c01a4234>] (rcu_sched_clock_irq+0x7fc/0xa88) [ 573.027416] [<c01a4234>] (rcu_sched_clock_irq) from [<c01acdd0>] (update_process_times+0x30/0x8c) [ 573.036291] [<c01acdd0>] (update_process_times) from [<c01bfb90>] (tick_sched_timer+0x4c/0xa8) [ 573.044905] [<c01bfb90>] (tick_sched_timer) from [<c01adcc8>] (__hrtimer_run_queues+0x174/0x358) [ 573.053696] [<c01adcc8>] (__hrtimer_run_queues) from [<c01aea2c>] (hrtimer_interrupt+0x118/0x2bc) [ 573.062573] [<c01aea2c>] (hrtimer_interrupt) from [<c09ad664>] (arch_timer_handler_virt+0x28/0x30) [ 573.071536] [<c09ad664>] (arch_timer_handler_virt) from [<c0190f50>] (handle_percpu_devid_irq+0x8c/0x240) [ 573.081109] [<c0190f50>] (handle_percpu_devid_irq) from [<c018ab8c>] (generic_handle_irq+0x34/0x44) [ 573.090156] [<c018ab8c>] (generic_handle_irq) from [<c018b194>] (__handle_domain_irq+0x5c/0xb0) [ 573.098857] [<c018b194>] (__handle_domain_irq) from [<c052ac50>] (gic_handle_irq+0x4c/0x90) [ 573.107209] [<c052ac50>] (gic_handle_irq) from [<c0100b0c>] (__irq_svc+0x6c/0x90) [ 573.114682] Exception stack(0xd90dfcf8 to 0xd90dfd40) [ 573.119732] fce0: ffff0004 00000000 [ 573.127917] fd00: 00000000 00000000 00000000 00000000 00000000 00000000 d93493cc ffff0000 [ 573.136098] fd20: d2bc39c0 be926998 d90dfd58 d90dfd48 c09f3384 c01151f0 400d0013 ffffffff [ 573.144281] [<c0100b0c>] (__irq_svc) from [<c01151f0>] (__arm_smccc_smc+0x10/0x20) [ 573.151854] [<c01151f0>] (__arm_smccc_smc) from [<c09f3384>] (optee_smccc_smc+0x3c/0x44) [ 573.159948] [<c09f3384>] (optee_smccc_smc) from [<c09f4170>] (optee_do_call_with_arg+0xb8/0x154) [ 573.168735] [<c09f4170>] (optee_do_call_with_arg) from [<c09f4638>] (optee_invoke_func+0x110/0x190) [ 573.177786] [<c09f4638>] (optee_invoke_func) from [<c09f1ebc>] (tee_ioctl+0x10b8/0x11c0) [ 573.185879] [<c09f1ebc>] (tee_ioctl) from [<c029f62c>] (ksys_ioctl+0xe0/0xa4c) [ 573.193101] [<c029f62c>] (ksys_ioctl) from [<c0100060>] (ret_fast_syscall+0x0/0x54) [ 573.200750] Exception stack(0xd90dffa8 to 0xd90dfff0) [ 573.205803] ffa0: be926bf4 be926a78 00000003 8010a403 be926908 004e3cf8 [ 573.213987] ffc0: be926bf4 be926a78 00000000 00000036 be926908 be926918 be9269b0 bffdf0f8 [ 573.222162] ffe0: b6d76fb0 be9268fc b6d66621 b6c7e0d8 seen on STM32 DK2 with CONFIG_PREEMPT_NONE. Fixes: 9f02b8f61f29 ("tee: optee: add might_sleep for RPC requests") Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Tested-by: Sumit Garg <sumit.garg@linaro.org> [jw: added fixes tag + small adjustments in the code] Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
2021-01-18arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec nodeJohan Jonker1-1/+0
A test with the command below gives this error: /arch/arm64/boot/dts/rockchip/rk3399-evb.dt.yaml: video-codec@ff660000: 'interrupt-names' does not match any of the regexes: 'pinctrl-[0-9]+' The rkvdec driver gets it irq with help of the platform_get_irq() function, so remove the interrupt-names property from the rk3399 vdec node. make ARCH=arm64 dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/ media/rockchip,vdec.yaml Signed-off-by: Johan Jonker <jbx6244@gmail.com> Link: https://lore.kernel.org/r/20210117181653.24886-1-jbx6244@gmail.com Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-18firmware: imx: select SOC_BUS to fix firmware buildRandy Dunlap1-0/+1
Fix build error in firmware/imx/ selecting SOC_BUS. riscv32-linux-ld: drivers/firmware/imx/imx-scu-soc.o: in function `.L9': imx-scu-soc.c:(.text+0x1b0): undefined reference to `soc_device_register' Fixes: edbee095fafb ("firmware: imx: add SCU firmware driver support") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Atish Patra <atish.patra@wdc.com> Cc: Palmer Dabbelt <palmerdabbelt@google.com> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Anson Huang <Anson.Huang@nxp.com> Cc: Daniel Baluta <daniel.baluta@nxp.com> Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-18arm64: dts: imx8mp: Correct the gpio ranges of gpio3Jacky Bai1-1/+1
On i.MX8MP, The GPIO3's secondary gpio-ranges's 'gpio controller offset' cell value should be 26, so correct it. Signed-off-by: Jacky Bai <ping.bai@nxp.com> Fixes: 6d9b8d20431f ("arm64: dts: freescale: Add i.MX8MP dtsi support") Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-18ARM: dts: imx6qdl-sr-som: fix some cubox-i platformsRussell King1-2/+10
The PHY address bit 2 is configured by the LED pin. Attaching a LED to this pin is not sufficient to guarantee this configuration pin is correctly read. This leads to some platforms having their PHY at address 0 and others at address 4. If there is no phy-handle specified, the FEC driver will scan the PHY bus for a PHY and use that. Consequently, adding the DT configuration of the PHY and the phy properties to the FEC driver broke some boards. Fix this by removing the phy-handle property, and listing two PHY entries for both possible PHY addresses, so that the DT configuration for the PHY can be found by the PHY driver. Fixes: 86b08bd5b994 ("ARM: dts: imx6-sr-som: add ethernet PHY configuration") Reported-by: Christoph Mattheis <christoph.mattheis@arcor.de> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-18ARM: imx: build suspend-imx6.S with arm instruction setMax Krummenacher1-0/+1
When the kernel is configured to use the Thumb-2 instruction set "suspend-to-memory" fails to resume. Observed on a Colibri iMX6ULL (i.MX 6ULL) and Apalis iMX6 (i.MX 6Q). It looks like the CPU resumes unconditionally in ARM instruction mode and then chokes on the presented Thumb-2 code it should execute. Fix this by using the arm instruction set for all code in suspend-imx6.S. Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com> Fixes: df595746fa69 ("ARM: imx: add suspend in ocram support for i.mx6q") Acked-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-18ARM: dts: imx7d-flex-concentrator: fix pcf2127 resetBruno Thomsen1-0/+1
RTC pcf2127 device driver has changed default behaviour of the watchdog feature in v5.11-rc1. Now you need to explicitly enable it with a device tree property, "reset-source", when used in the board design. Fixes: 71ac13457d9d ("rtc: pcf2127: only use watchdog when explicitly available") Signed-off-by: Bruno Thomsen <bruno.thomsen@gmail.com> Cc: Bruno Thomsen <bth@kamstrup.com> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Rasmus Villemoes <rasmus.villemoes@prevas.dk> Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-15ARM: dts: ux500: Reserve memory carveoutsLinus Walleij4-1/+112
The Ux500 platforms have some memory carveouts set aside for communicating with the modem and for the initial secure software (ISSW). These areas are protected by the memory controller and will result in an external abort if accessed like common read/write memory. On the legacy boot loaders, these were set aside by using cmdline arguments such as this: mem=96M@0 mem_mtrace=15M@96M mem_mshared=1M@111M mem_modem=16M@112M mali.mali_mem=32M@128M mem=96M@160M hwmem=127M@256M mem_issw=1M@383M mem_ram_console=1M@384M mem=638M@385M Reserve the relevant areas in the device tree instead. The "mali", "hwmem", "mem_ram_console" and the trailing 1MB at the end of the memory reservations in the list are not relevant for the upstream kernel as these are nowadays replaced with upstream technologies such as CMA. The modem and ISSW reservations are necessary. This was manifested in a bug that surfaced in response to commit 7fef431be9c9 ("mm/page_alloc: place pages to tail in __free_pages_core()") which changes the behaviour of memory allocations in such a way that the platform will sooner run into these dangerous areas, with "Unhandled fault: imprecise external abort (0xc06) at 0xb6fd83dc" or similar: the real reason turns out to be that the PTE is pointing right into one of the reserved memory areas. We were just lucky until now. We need to augment the DB8500 and DB8520 SoCs similarly and also create a new include for the DB9500 used in the Snowball since this does not have a modem and thus does not need the modem memory reservation, albeit it needs the ISSW reservation. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Cc: stable@vger.kernel.org Cc: David Hildenbrand <david@redhat.com> Link: https://lore.kernel.org/r/20201213225517.3838501-1-linus.walleij@linaro.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-15arm64: defconfig: Drop unused K3 SoC specific optionsNishanth Menon1-2/+0
With [1] integrated and all users of the config symbols removed, we can safely remove the options from defconfig. [1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20201026170624.24241-1-nm@ti.com/ Signed-off-by: Nishanth Menon <nm@ti.com> Link: https://lore.kernel.org/r/20210107132228.6577-1-nm@ti.com' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-15bus: arm-integrator-lm: Add of_node_put() before return statementSumera Priyadarsini1-0/+1
Every iteration of for_each_available_child_of_node() decrements the reference count of the previous node, however when control is transferred from the middle of the loop, as in the case of a return or break or goto, there is no decrement thus ultimately resulting in a memory leak. Fix a potential memory leak in arm-integrator-lm.c by inserting of_node_put() before a return statement. Issue found with Coccinelle. Signed-off-by: Sumera Priyadarsini <sylphrenadin@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20200829174154.GA9319@Kaladin Link: https://lore.kernel.org/r/20210112092549.251548-1-linus.walleij@linaro.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-01-15drivers: bus: simple-pm-bus: Fix compatibility with simple-bus for auxdataTony Lindgren2-1/+3
After converting am335x to probe devices with simple-pm-bus I noticed that we are not passing auxdata for of_platform_populate() like we do with simple-bus. While device tree using SoCs should no longer need platform data, there are still quite a few drivers that still need it as can be seen with git grep OF_DEV_AUXDATA. We want to have simple-pm-bus be usable as a replacement for simple-bus also for cases where OF_DEV_AUXDATA is still needed. Let's fix the issue by passing auxdata as platform data to simple-pm-bus. That way the SoCs needing this can pass the auxdata with OF_DEV_AUXDATA. And let's pass the auxdata for omaps to fix the issue for am335x. As an alternative solution, adding simple-pm-bus handling directly to drivers/of/platform.c was considered, but we would still need simple-pm-bus device driver. So passing auxdata as platform data seems like the simplest solution. Fixes: 5a230524f879 ("ARM: dts: Use simple-pm-bus for genpd for am3 l4_wkup") Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-01-15ARM: OMAP2+: Fix booting for am335x after moving to simple-pm-busTony Lindgren1-14/+14
We now depend on SIMPLE_PM_BUS for probing devices. While we have it selected in omap2plus_defconfig, custom configs can fail if it's missing. As SIMPLE_PM_BUS depends on OF and PM, we must now select PM in Kconfig. We have already OF selected by ARCH_MULTIPLATFORM. Let's also drop the earlier PM dependency entries as suggested by Geert Uytterhoeven <geert@linux-m68k.org>. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Reported-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Fixes: 5a230524f879 ("ARM: dts: Use simple-pm-bus for genpd for am3 l4_wkup") Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-01-15ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupledTony Lindgren1-8/+8
We get suspcious RCU usage splats with cpuidle in several places in omap_enter_idle_coupled() with the kernel debug options enabled: RCU used illegally from extended quiescent state! ... (_raw_spin_lock_irqsave) (omap_enter_idle_coupled+0x17c/0x2d8) (omap_enter_idle_coupled) (cpuidle_enter_state) (cpuidle_enter_state_coupled) (cpuidle_enter) Let's use RCU_NONIDLE to suppress these splats. Things got changed around with commit 1098582a0f6c ("sched,idle,rcu: Push rcu_idle deeper into the idle path") that started triggering these warnings. For the tick_broadcast related calls, ideally we'd just switch over to using CPUIDLE_FLAG_TIMER_STOP for omap_enter_idle_coupled() to have the generic cpuidle code handle the tick_broadcast related calls for us and then just drop the tick_broadcast calls here. But we're currently missing the call in the common cpuidle code for tick_broadcast_enable() that CPU1 hotplug needs as described in earlier commit 50d6b3cf9403 ("ARM: OMAP2+: fix lack of timer interrupts on CPU1 after hotplug"). Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Paul E. McKenney <paulmck@kernel.org> Cc: Russell King <rmk+kernel@armlinux.org.uk> Acked-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-01-14ARM: dts: stm32: Fix GPIO hog flags on DHCOM DRC02Marek Vasut1-2/+2
The GPIO hog flags are ignored by gpiolib-of.c now, set the flags to 0. Since GPIO_ACTIVE_HIGH is defined as 0, this change only increases the correctness of the DT. Fixes: fde180f06d7b ("ARM: dts: stm32: Add DHSOM based DRC02 board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-01-14ARM: dts: stm32: Fix GPIO hog flags on DHCOM PicoITXMarek Vasut1-1/+1
The GPIO hog flags are ignored by gpiolib-of.c now, set the flags to 0. Due to a change in gpiolib-of.c, setting flags to GPIO_ACTIVE_LOW and using output-low DT property leads to the GPIO being set high instead. Fixes: ac68793f49de ("ARM: dts: stm32: Add DHCOM based PicoITX board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-01-14ARM: dts: stm32: Fix GPIO hog names on DHCOMMarek Vasut2-3/+3
The GPIO hog node name should match regex '^(hog-[0-9]+|.+-hog(-[0-9]+)?)$', make it so and fix the following two make dtbs_check warnings: arch/arm/boot/dts/stm32mp157c-dhcom-picoitx.dt.yaml: hog-usb-port-power: $nodename:0: 'hog-usb-port-power' does not match '^(hog-[0-9]+|.+-hog(-[0-9]+)?)$' arch/arm/boot/dts/stm32mp153c-dhcom-drc02.dt.yaml: hog-usb-hub: $nodename:0: 'hog-usb-hub' does not match '^(hog-[0-9]+|.+-hog(-[0-9]+)?)$' Fixes: ac68793f49de ("ARM: dts: stm32: Add DHCOM based PicoITX board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-01-14ARM: dts: stm32: Disable optional TSC2004 on DRC02 boardMarek Vasut1-0/+6
The DRC02 has no use for the on-SoM touchscreen controller, and the on-SoM touchscreen controller may not even be populated, which then results in error messages in kernel log. Disable the touchscreen controller in DT. Fixes: fde180f06d7b ("ARM: dts: stm32: Add DHSOM based DRC02 board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-01-14ARM: dts: stm32: Disable WP on DHCOM uSD slotMarek Vasut1-0/+1
The uSD slot has no WP detection, disable it. Fixes: 34e0c7847dcf ("ARM: dts: stm32: Add DH Electronics DHCOM STM32MP1 SoM and PDK2 board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-01-14ARM: dts: stm32: Connect card-detect signal on DHCOMMarek Vasut1-1/+1
The DHCOM SoM uSD slot card detect signal is connected to GPIO PG1, describe it in the DT. Fixes: 34e0c7847dcf ("ARM: dts: stm32: Add DH Electronics DHCOM STM32MP1 SoM and PDK2 board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-01-14ARM: dts: stm32: Fix polarity of the DH DRC02 uSD card detectMarek Vasut1-1/+1
The uSD card detect signal on the DH DRC02 is active-high, with a default pull down resistor on the board. Invert the polarity. Fixes: fde180f06d7b ("ARM: dts: stm32: Add DHSOM based DRC02 board") Signed-off-by: Marek Vasut <marex@denx.de> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com> Cc: Patrick Delaunay <patrick.delaunay@st.com> Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org -- Note that this could not be tested on prototype SoMs, now that it is tested, this issue surfaced, so it needs to be fixed. Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
2021-01-13arm64: dts: qcom: sdm845: Reserve LPASS clocks in gccBjorn Andersson2-2/+6
The GCC_LPASS_Q6_AXI_CLK and GCC_LPASS_SWAY_CLK clocks may not be touched on a typical UEFI based SDM845 device, but when the kernel is built with CONFIG_SDM_LPASSCC_845 this happens, unless they are marked as protected-clocks in the DT. This was done for the MTP and the Pocophone, but not for DB845c and the Lenovo Yoga C630 - causing these to fail to boot if the LPASS clock controller is enabled (which it typically isn't). Tested-by: Vinod Koul <vkoul@kernel.org> #on db845c Reviewed-by: Vinod Koul <vkoul@kernel.org> Link: https://lore.kernel.org/r/20201222001103.3112306-1-bjorn.andersson@linaro.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2021-01-12MAINTAINERS: Update my email address and maintainer level statusTero Kristo1-6/+6
My employment with TI is ending tomorrow, so update the email address entry in the maintainers file. Also, I don't expect to spend that much time with maintaining TI code anymore, so downgrade the status level to odd fixes only on areas where I remain as the main contact point for now, and move myself as secondary contact point where someone else has taken over the maintainership. Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Tero Kristo <kristo@kernel.org> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Nishanth Menon <nm@ti.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Nishanth Menon <nm@ti.com> Cc: Santosh Shilimkar <ssantosh@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Tony Luck <tony.luck@intel.com> Link: https://lore.kernel.org/r/20201217130721.23555-1-t-kristo@ti.com
2021-01-11ARM: dts: imx6qdl-gw52xx: fix duplicate regulator namingKoen Vandeputte1-1/+1
2 regulator descriptions carry identical naming. This leads to following boot warning: [ 0.173138] debugfs: Directory 'vdd1p8' with parent 'regulator' already present! Fix this by renaming the one used for audio. Fixes: 5051bff33102 ("ARM: dts: imx: ventana: add LTC3676 PMIC support") Signed-off-by: Tim Harvey <tharvey@gateworks.com> Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Cc: stable@vger.kernel.org # v4.11 Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-11ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default statusMarco Felsch1-2/+2
Fix typo so the gpio i2c busses are really disabled. Fixes: 2125212785c9 ("ARM: dts: imx6qdl-kontron-samx6i: add Kontron SMARC SoM Support") Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-11ARM: imx: fix imx8m dependenciesArnd Bergmann1-1/+1
Selecting ARM_GIC_V3 on non-CP15 processors leads to build failures like arch/arm/include/asm/arch_gicv3.h: In function 'write_ICC_AP1R3_EL1': arch/arm/include/asm/arch_gicv3.h:36:40: error: 'c12' undeclared (first use in this function) 36 | #define __ICC_AP1Rx(x) __ACCESS_CP15(c12, 0, c9, x) | ^~~ Add a dependency to only enable the gic driver when building for at an ARMv7 target, which is the closes approximation to the ARMv8 processor that is actually in this chip. Fixes: fc40200ebf82 ("soc: imx: increase build coverage for imx8m soc driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-11ARM: dts: tbs2910: rename MMC node aliasesSoeren Moch1-0/+7
to be consistent with kernel versions up to v5.9 (mmc aliases not used here). usdhc1 is not wired up on this board and therefore cannot be used. Start mmc aliases with usdhc2. Signed-off-by: Soeren Moch <smoch@web.de> Cc: stable@vger.kernel.org # 5.10.x Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-10Linux 5.11-rc3Linus Torvalds1-1/+1
2021-01-11Documentation: kbuild: Fix section referenceViresh Kumar1-1/+1
Section 3.11 was incorrectly called 3.9, fix it. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-01-10arm64: dts: ls1028a: fix the offset of the reset registerMichael Walle1-1/+1
The offset of the reset request register is 0, the absolute address is 0x1e60000. Boards without PSCI support will fail to perform a reset: [ 26.734700] reboot: Restarting system [ 27.743259] Unable to restart system [ 27.746845] Reboot failed -- System halted Fixes: 8897f3255c9c ("arm64: dts: Add support for NXP LS1028A SoC") Signed-off-by: Michael Walle <michael@walle.cc> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-01-09maintainers: update my email addressDarrick J. Wong1-2/+2
Change my email contact ahead of a likely painful eleven-month migration to a certain cobalt enteprisey groupware cloud product that will totally break my workflow. Some day I may get used to having to email being sequestered behind both claret and cerulean oath2+sms 2fa layers, but for now I'll stick with keying in one password to receive an email vs. the required four. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-09io_uring: stop SQPOLL submit on creator's deathPavel Begunkov1-9/+53
When the creator of SQPOLL io_uring dies (i.e. sqo_task), we don't want its internals like ->files and ->mm to be poked by the SQPOLL task, it have never been nice and recently got racy. That can happen when the owner undergoes destruction and SQPOLL tasks tries to submit new requests in parallel, and so calls io_sq_thread_acquire*(). That patch halts SQPOLL submissions when sqo_task dies by introducing sqo_dead flag. Once set, the SQPOLL task must not do any submission, which is synchronised by uring_lock as well as the new flag. The tricky part is to make sure that disabling always happens, that means either the ring is discovered by creator's do_exit() -> cancel, or if the final close() happens before it's done by the creator. The last is guaranteed by the fact that for SQPOLL the creator task and only it holds exactly one file note, so either it pins up to do_exit() or removed by the creator on the final put in flush. (see comments in uring_flush() around file->f_count == 2). One more place that can trigger io_sq_thread_acquire_*() is __io_req_task_submit(). Shoot off requests on sqo_dead there, even though actually we don't need to. That's because cancellation of sqo_task should wait for the request before going any further. note 1: io_disable_sqo_submit() does io_ring_set_wakeup_flag() so the caller would enter the ring to get an error, but it still doesn't guarantee that the flag won't be cleared. note 2: if final __userspace__ close happens not from the creator task, the file note will pin the ring until the task dies. Fixed: b1b6b5a30dce8 ("kernel/io_uring: cancel io_uring before task works") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09io_uring: add warn_once for io_uring_flush()Pavel Begunkov1-4/+10
files_cancel() should cancel all relevant requests and drop file notes, so we should never have file notes after that, including on-exit fput and flush. Add a WARN_ONCE to be sure. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09io_uring: inline io_uring_attempt_task_drop()Pavel Begunkov1-18/+11
A simple preparation change inlining io_uring_attempt_task_drop() into io_uring_flush(). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09io_uring: io_rw_reissue lockdep annotationsPavel Begunkov1-0/+2
We expect io_rw_reissue() to take place only during submission with uring_lock held. Add a lockdep annotation to check that invariant. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKETColy Li1-0/+15
If BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET is set in incompat feature set, it means the cache device is created with obsoleted layout with obso_bucket_site_hi. Now bcache does not support this feature bit, a new BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE incompat feature bit is added for a better layout to support large bucket size. For the legacy compatibility purpose, if a cache device created with obsoleted BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET feature bit, all bcache devices attached to this cache set should be set to read-only. Then the dirty data can be written back to backing device before re-create the cache device with BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE feature bit by the latest bcache-tools. This patch checks BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET feature bit when running a cache set and attach a bcache device to the cache set. If this bit is set, - When run a cache set, print an error kernel message to indicate all following attached bcache device will be read-only. - When attach a bcache device, print an error kernel message to indicate the attached bcache device will be read-only, and ask users to update to latest bcache-tools. Such change is only for cache device whose bucket size >= 32MB, this is for the zoned SSD and almost nobody uses such large bucket size at this moment. If you don't explicit set a large bucket size for a zoned SSD, such change is totally transparent to your bcache device. Fixes: ffa470327572 ("bcache: add bucket_size_hi into struct cache_sb_disk for large bucket") Signed-off-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09bcache: introduce BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE for large bucketColy Li4-8/+29
When large bucket feature was added, BCH_FEATURE_INCOMPAT_LARGE_BUCKET was introduced into the incompat feature set. It used bucket_size_hi (which was added at the tail of struct cache_sb_disk) to extend current 16bit bucket size to 32bit with existing bucket_size in struct cache_sb_disk. This is not a good idea, there are two obvious problems, - Bucket size is always value power of 2, if store log2(bucket size) in existing bucket_size of struct cache_sb_disk, it is unnecessary to add bucket_size_hi. - Macro csum_set() assumes d[SB_JOURNAL_BUCKETS] is the last member in struct cache_sb_disk, bucket_size_hi was added after d[] which makes csum_set calculate an unexpected super block checksum. To fix the above problems, this patch introduces a new incompat feature bit BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE, when this bit is set, it means bucket_size in struct cache_sb_disk stores the order of power-of-2 bucket size value. When user specifies a bucket size larger than 32768 sectors, BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE will be set to incompat feature set, and bucket_size stores log2(bucket size) more than store the real bucket size value. The obsoleted BCH_FEATURE_INCOMPAT_LARGE_BUCKET won't be used anymore, it is renamed to BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET and still only recognized by kernel driver for legacy compatible purpose. The previous bucket_size_hi is renmaed to obso_bucket_size_hi in struct cache_sb_disk and not used in bcache-tools anymore. For cache device created with BCH_FEATURE_INCOMPAT_LARGE_BUCKET feature, bcache-tools and kernel driver still recognize the feature string and display it as "obso_large_bucket". With this change, the unnecessary extra space extend of bcache on-disk super block can be avoided, and csum_set() may generate expected check sum as well. Fixes: ffa470327572 ("bcache: add bucket_size_hi into struct cache_sb_disk for large bucket") Signed-off-by: Coly Li <colyli@suse.de> Cc: stable@vger.kernel.org # 5.9+ Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09bcache: check unsupported feature sets for bcache registerColy Li2-0/+29
This patch adds the check for features which is incompatible for current supported feature sets. Now if the bcache device created by bcache-tools has features that current kernel doesn't support, read_super() will fail with error messoage. E.g. if an unsupported incompatible feature detected, bcache register will fail with dmesg "bcache: register_bcache() error : Unsupported incompatible feature found". Fixes: d721a43ff69c ("bcache: increase super block version for cache device and backing device") Fixes: ffa470327572 ("bcache: add bucket_size_hi into struct cache_sb_disk for large bucket") Signed-off-by: Coly Li <colyli@suse.de> Cc: stable@vger.kernel.org # 5.9+ Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09bcache: fix typo from SUUP to SUPP in features.hColy Li1-3/+3
This patch fixes the following typos, from BCH_FEATURE_COMPAT_SUUP to BCH_FEATURE_COMPAT_SUPP from BCH_FEATURE_INCOMPAT_SUUP to BCH_FEATURE_INCOMPAT_SUPP from BCH_FEATURE_INCOMPAT_SUUP to BCH_FEATURE_RO_COMPAT_SUPP Fixes: d721a43ff69c ("bcache: increase super block version for cache device and backing device") Fixes: ffa470327572 ("bcache: add bucket_size_hi into struct cache_sb_disk for large bucket") Signed-off-by: Coly Li <colyli@suse.de> Cc: stable@vger.kernel.org # 5.9+ Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09bcache: set pdev_set_uuid before scond loop iterationYi Li1-1/+1
There is no need to reassign pdev_set_uuid in the second loop iteration, so move it to the place before second loop. Signed-off-by: Yi Li <yili@winhong.com> Signed-off-by: Coly Li <colyli@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-09arm64: dts: rockchip: Fix PCIe DT properties on rk3399Marc Zyngier1-1/+1
It recently became apparent that the lack of a 'device_type = "pci"' in the PCIe root complex node for rk3399 is a violation of the PCI binding, as documented in IEEE Std 1275-1994. Changes to the kernel's parsing of the DT made such violation fatal, as drivers cannot probe the controller anymore. Add the missing property makes the PCIe node compliant. While we are at it, drop the pointless linux,pci-domain property, which only makes sense when there are multiple host bridges. Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200815125112.462652-3-maz@kernel.org Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-09arm64: dts: rockchip: Use only supported PCIe link speed on Pinebook ProSimon South1-1/+0
On Pinebook Pro laptops with an NVMe SSD installed, prevent random crashes in the NVMe driver by not attempting to use a PCIe link speed higher than that supported by the RK3399 SoC. See commit 712fa1777207 ("arm64: dts: rockchip: add max-link-speed for rk3399"). Fixes: 5a65505a6988 ("arm64: dts: rockchip: Add initial support for Pinebook Pro") Signed-off-by: Simon South <simon@simonsouth.net> Link: https://lore.kernel.org/r/20200930185627.5918-1-simon@simonsouth.net Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2021-01-09arm64: dts: rockchip: fix vopl iommu irq on px30Sandy Huang1-1/+1
The vop-mmu shares the irq with its matched vop but not the vpu. Fixes: 7053e06b1422 ("arm64: dts: rockchip: add core dtsi file for PX30 SoCs") Signed-off-by: Sandy Huang <hjc@rock-chips.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com> Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Tested-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Link: https://lore.kernel.org/r/20210108110627.3231226-1-heiko@sntech.de
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