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2015-01-16microblaze/PCI: Clip bridge windows to fit in upstream windowsYinghai Lu1-1/+12
Every PCI-PCI bridge window should fit inside an upstream bridge window because orphaned address space is unreachable from the primary side of the upstream bridge. If we inherit invalid bridge windows that overlap an upstream window from firmware, clip them to fit and update the bridge accordingly. [bhelgaas: changelog] Link: https://bugzilla.kernel.org/show_bug.cgi?id=85491 Reported-by: Marek Kordik <kordikmarek@gmail.com> Fixes: 5b28541552ef ("PCI: Restrict 64-bit prefetchable bridge windows to 64-bit resources") Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Michal Simek <monstr@monstr.eu> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: Sebastian Ott <sebott@linux.vnet.ibm.com>
2014-10-27microblaze: Fix IO space breakage after of_pci_range_to_resource() changeMichal Simek1-2/+7
Commit 0b0b0893d49b "of/pci: Fix the conversion of IO ranges into IO resources" changed the behaviour of of_pci_range_to_resource(). The issue is described here: "powerpc/pci: Fix IO space breakage after of_pci_range_to_resource() change" (sha1: aeba3731b150188685225b510886f1370d8814de) Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-06-05Merge tag 'microblaze-3.16-rc1' of git://git.monstr.eu/linux-2.6-microblaze into nextLinus Torvalds1-19/+0
Pull Microblaze updates from Michal Simek: - cleanup PCI and DMA handling - use generic device.h - some cleanups * tag 'microblaze-3.16-rc1' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Fix typo in head.S s/substract/subtract/ microblaze: remove check for CONFIG_XILINX_CONSOLE microblaze: Use generic device.h microblaze: Do not setup empty unmap_sg function microblaze: Remove device_to_mask microblaze: Clean device dma_ops structure microblaze: Cleanup PCI_DRAM_OFFSET handling microblaze: Do not setup pci_dma_ops microblaze: Return default dma operations microblaze: Enable SERIAL_OF_PLATFORM
2014-06-04microblaze: Cleanup PCI_DRAM_OFFSET handlingMichal Simek1-3/+0
PCI_DRAM_OFFSET/pci_dram_offset is 0 all the time and there is no difference for PCI and !PCI cases. Also remove the whole code which setup archdata.dma_data which is completely unused. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-06-04microblaze: Do not setup pci_dma_opsMichal Simek1-16/+0
pci_dma_ops are dma_direct_ops which are setup by default that's why not setup it again. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2014-04-30PCI: Move Open Firmware devspec attribute to PCI common codeSebastian Ott1-20/+0
Move the devspec OF attribute to PCI common code's set of device attributes since it's not architecture dependent. As a side effect microblaze and powerpc no longer need to use pcibios_add_platform_entries(). [bhelgaas: fold in #include for compile error] Link: https://lkml.kernel.org/r/alpine.LFD.2.11.1404141101500.1529@denkbrett Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2014-03-19microblaze/PCI: Use default pcibios_enable_device()Bjorn Helgaas1-5/+0
We don't need anything arch-specific in pcibios_enable_device(), so drop the arch implementation and use the default generic one. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Michal Simek <monstr@monstr.eu> CC: microblaze-uclinux@itee.uq.edu.au
2013-11-07Merge remote-tracking branch 'grant/devicetree/next' into for-nextRob Herring1-71/+1
2013-10-24microblaze/pci: Drop PowerPC-ism from irq parsingGrant Likely1-70/+1
The Microblaze PCI code copied the PowerPC irq handling, but powerpc needs to handle broken device trees that are not present on Microblaze. This patch removes the powerpc special case and replaces it with a direct of_irq_parse_and_map_pci() call. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu>
2013-10-24of/irq: simplify args to irq_create_of_mappingGrant Likely1-1/+1
All the callers of irq_create_of_mapping() pass the contents of a struct of_phandle_args structure to the function. Since all the callers already have an of_phandle_args pointer, why not pass it directly to irq_create_of_mapping()? Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-10-24of/irq: Replace of_irq with of_phandle_argsGrant Likely1-5/+4
struct of_irq and struct of_phandle_args are exactly the same structure. This patch makes the kernel use of_phandle_args everywhere. This in itself isn't a big deal, but it makes some follow-on patches simpler. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-10-24of/irq: Rename of_irq_map_* functions to of_irq_parse_*Grant Likely1-1/+1
The OF irq handling code has been overloading the term 'map' to refer to both parsing the data in the device tree and mapping it to the internal linux irq system. This is probably because the device tree does have the concept of an 'interrupt-map' function for translating interrupt references from one node to another, but 'map' is still confusing when the primary purpose of some of the functions are to parse the DT data. This patch renames all the of_irq_map_* functions to of_irq_parse_* which makes it clear that there is a difference between the parsing phase and the mapping phase. Kernel code can make use of just the parsing or just the mapping support as needed by the subsystem. The patch was generated mechanically with a handful of sed commands. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Tony Lindgren <tony@atomide.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-10-09microblaze: clean-up prom.h implicit includesRob Herring1-0/+1
While powerpc is a mess of implicit includes by prom.h, microblaze just copied this and is easily fixed. Add the necessary explicit includes and remove unnecessary includes and other parts from prom.h Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Grant Likely <grant.likely@linaro.org> Cc: Michal Simek <monstr@monstr.eu> Cc: microblaze-uclinux@itee.uq.edu.au Cc: netdev@vger.kernel.org
2013-09-03of/pci: Use of_pci_range_parserAndrew Murray1-68/+38
This patch converts the pci_load_of_ranges function to use the new common of_pci_range_parser. Signed-off-by: Andrew Murray <amurray@embedded-bits.co.uk> Signed-off-by: Andrew Murray <Andrew.Murray@arm.com> Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2013-05-09microblaze: pci: Remove duplicated include from pci-common.cWei Yongjun1-1/+0
Remove duplicated include. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2013-02-12microblaze: Do not use module.h in files which are not modulesMichal Simek1-0/+1
Based on the patch: "lib: reduce the use of module.h wherever possible" (sha1: 8bc3bcc93a2b4e47d5d410146f6546bca6171663) fix all microblaze files which are not modules. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2013-02-12microblaze: Fix coding style issuesMichal Simek4-62/+53
Fix coding style issues reported by checkpatch.pl. Signed-off-by: Michal Simek <monstr@monstr.eu>
2013-01-07Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds1-6/+5
Pull microblaze update from Michal Simek: "This fixes noMMU kernel and I have also added defconfig updates which fix issue with one external dependency and enable all xilinx device drivers for 0-day testing system. Additionally wire up finit_module system call, and do highmem fixup and pci warnings reported by the 0-day testing system" * 'next' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Update microblaze defconfigs microblaze: Fix pci compilation and sparse warnings microblaze: Add finit_module syscall microblaze: Kill __kmap_atomic() microblaze: Change section flags for noMMU microblaze: Microblaze wants sys_fork for noMMU too
2013-01-04microblaze: Fix pci compilation and sparse warningsMichal Simek1-6/+5
Warning log: CHECK arch/microblaze/pci/pci-common.c arch/microblaze/pci/pci-common.c:290:14: warning: Using plain integer as NULL pointer arch/microblaze/pci/pci-common.c:1127:6: warning: symbol 'pcibios_allocate_bus_resources' was not declared. Should it be static? arch/microblaze/pci/pci-common.c:1436:61: warning: incorrect type in argument 3 (different base types) arch/microblaze/pci/pci-common.c:1436:61: expected unsigned int [unsigned] [usertype] offset arch/microblaze/pci/pci-common.c:1436:61: got void [noderef] <asn:2>* CC arch/microblaze/pci/pci-common.o arch/microblaze/pci/pci-common.c: In function 'pci_proc_domain': arch/microblaze/pci/pci-common.c:825:25: warning: unused variable 'hose' [-Wunused-variable] arch/microblaze/pci/pci-common.c: In function 'pcibios_allocate_bus_resources': arch/microblaze/pci/pci-common.c:1182:1: warning: label 'clear_resource' defined but not used [-Wunused-label] arch/microblaze/pci/pci-common.c: In function 'pcibios_setup_phb_resources': arch/microblaze/pci/pci-common.c:1436:2: warning: passing argument 3 of 'pci_add_resource_offset' makes integer from pointer without a cast [enabled by default] include/linux/pci.h:999:6: note: expected 'resource_size_t' but argument is of type 'void *' Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2013-01-03ARCH: drivers remove __dev* attributes.Greg Kroah-Hartman1-14/+14
This fixes up all of the smaller arches that had __dev* markings for their platform-specific drivers. CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Chen Liqin <liqin.chen@sunplusct.com> Cc: Lennox Wu <lennox.wu@gmail.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Bob Liu <lliubbo@gmail.com> Cc: Srinivas Kandagatla <srinivas.kandagatla@st.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Myron Stowe <myron.stowe@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Thierry Reding <thierry.reding@avionic-design.de> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com> Cc: Mark Salter <msalter@redhat.com> Cc: Yong Zhang <yong.zhang0@gmail.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Jan Glauber <jang@linux.vnet.ibm.com> Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28microblaze/PCI: Remove CONFIG_HOTPLUG ifdefsBill Pemberton1-4/+0
Remove conditional code based on CONFIG_HOTPLUG being false. It's always on now in preparation of it going away as an option. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Michal Simek <monstr@monstr.eu> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-24Merge tag 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds1-7/+2
Pull PCI changes from Bjorn Helgaas: "Host bridge hotplug: - Add MMCONFIG support for hot-added host bridges (Jiang Liu) Device hotplug: - Move fixups from __init to __devinit (Sebastian Andrzej Siewior) - Call FINAL fixups for hot-added devices, too (Myron Stowe) - Factor out generic code for P2P bridge hot-add (Yinghai Lu) - Remove all functions in a slot, not just those with _EJx (Amos Kong) Dynamic resource management: - Track bus number allocation (struct resource tree per domain) (Yinghai Lu) - Make P2P bridge 1K I/O windows work with resource reassignment (Bjorn Helgaas, Yinghai Lu) - Disable decoding while updating 64-bit BARs (Bjorn Helgaas) Power management: - Add PCIe runtime D3cold support (Huang Ying) Virtualization: - Add VFIO infrastructure (ACS, DMA source ID quirks) (Alex Williamson) - Add quirks for devices with broken INTx masking (Jan Kiszka) Miscellaneous: - Fix some PCI Express capability version issues (Myron Stowe) - Factor out some arch code with a weak, generic, pcibios_setup() (Myron Stowe)" * tag 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (122 commits) PCI: hotplug: ensure a consistent return value in error case PCI: fix undefined reference to 'pci_fixup_final_inited' PCI: build resource code for M68K architecture PCI: pciehp: remove unused pciehp_get_max_lnk_width(), pciehp_get_cur_lnk_width() PCI: reorder __pci_assign_resource() (no change) PCI: fix truncation of resource size to 32 bits PCI: acpiphp: merge acpiphp_debug and debug PCI: acpiphp: remove unused res_lock sparc/PCI: replace pci_cfg_fake_ranges() with pci_read_bridge_bases() PCI: call final fixups hot-added devices PCI: move final fixups from __init to __devinit x86/PCI: move final fixups from __init to __devinit MIPS/PCI: move final fixups from __init to __devinit PCI: support sizing P2P bridge I/O windows with 1K granularity PCI: reimplement P2P bridge 1K I/O windows (Intel P64H2) PCI: disable MEM decoding while updating 64-bit MEM BARs PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too PCI: never discard enable/suspend/resume_early/resume fixups PCI: release temporary reference in __nv_msi_ht_cap_quirk() PCI: restructure 'pci_do_fixups()' ...
2012-07-06devicetree: add helper inline for retrieving a node's full nameGrant Likely1-4/+2
The pattern (np ? np->full_name : "<none>") is rather common in the kernel, but can also make for quite long lines. This patch adds a new inline function, of_node_full_name() so that the test for a valid node pointer doesn't need to be open coded at all call sites. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-07-05Merge branch 'pci/myron-pcibios_setup' into nextBjorn Helgaas1-5/+0
* pci/myron-pcibios_setup: xtensa/PCI: factor out pcibios_setup() x86/PCI: adjust section annotations for pcibios_setup() unicore32/PCI: adjust section annotations for pcibios_setup() tile/PCI: factor out pcibios_setup() sparc/PCI: factor out pcibios_setup() sh/PCI: adjust section annotations for pcibios_setup() sh/PCI: factor out pcibios_setup() powerpc/PCI: factor out pcibios_setup() parisc/PCI: factor out pcibios_setup() MIPS/PCI: adjust section annotations for pcibios_setup() MIPS/PCI: factor out pcibios_setup() microblaze/PCI: factor out pcibios_setup() ia64/PCI: factor out pcibios_setup() cris/PCI: factor out pcibios_setup() alpha/PCI: factor out pcibios_setup() PCI: pull pcibios_setup() up into core
2012-07-05microblaze/PCI: factor out pcibios_setup()Myron Stowe1-5/+0
The PCI core provides a generic pcibios_setup() routine. Drop this architecture-specific version in favor of that. Acked-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Myron Stowe <myron.stowe@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-06-13PCI: replace struct pci_bus secondary/subordinate with busn_resYinghai Lu1-2/+2
Replace the struct pci_bus secondary/subordinate members with the struct resource busn_res. Later we'll build a resource tree of these bus numbers. [bhelgaas: changelog] Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-05-15microblaze/PCI: fix "io_offset undeclared" errorBjorn Helgaas1-0/+1
There is a compile error for microblaze pci because io_offset is not declared. This patch adds declaration of io_offset. [bhelgaas: I introduced this problem with 58de74b8053] Signed-off-by: Hiroo MATSUMOTO <matsumoto.hiroo@jp.fujitsu.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-02-23microblaze/PCI: get rid of device resource fixupsBjorn Helgaas1-66/+3
Tell the PCI core about host bridge address translation so it can take care of bus-to-resource conversion for us. CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-02-23microblaze/PCI: remove unused pci_flagsBjorn Helgaas1-39/+9
pci_flags is initialized to zero and never modified (I think this was just copied from powerpc). Therefore, "(pci_flags & XX)" is always false and "!(pci_flags & XX)" is always true, and we can remove all references to pci_flags. CC: Michal Simek <monstr@monstr.eu> CC: microblaze-uclinux@itee.uq.edu.au Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-01-11Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pciLinus Torvalds1-22/+21
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (80 commits) x86/PCI: Expand the x86_msi_ops to have a restore MSIs. PCI: Increase resource array mask bit size in pcim_iomap_regions() PCI: DEVICE_COUNT_RESOURCE should be equal to PCI_NUM_RESOURCES PCI: pci_ids: add device ids for STA2X11 device (aka ConneXT) PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB x86/PCI: amd: factor out MMCONFIG discovery PCI: Enable ATS at the device state restore PCI: msi: fix imbalanced refcount of msi irq sysfs objects PCI: kconfig: English typo in pci/pcie/Kconfig PCI/PM/Runtime: make PCI traces quieter PCI: remove pci_create_bus() xtensa/PCI: convert to pci_scan_root_bus() for correct root bus resources x86/PCI: convert to pci_create_root_bus() and pci_scan_root_bus() x86/PCI: use pci_scan_bus() instead of pci_scan_bus_parented() x86/PCI: read Broadcom CNB20LE host bridge info before PCI scan sparc32, leon/PCI: convert to pci_scan_root_bus() for correct root bus resources sparc/PCI: convert to pci_create_root_bus() sh/PCI: convert to pci_scan_root_bus() for correct root bus resources powerpc/PCI: convert to pci_create_root_bus() powerpc/PCI: split PHB part out of pcibios_map_io_space() ... Fix up conflicts in drivers/pci/msi.c and include/linux/pci_regs.h due to the same patches being applied in other branches.
2012-01-10Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-19/+0
lib: use generic pci_iomap on all architectures Many architectures don't want to pull in iomap.c, so they ended up duplicating pci_iomap from that file. That function isn't trivial, and we are going to modify it https://lkml.org/lkml/2011/11/14/183 so the duplication hurts. This reduces the scope of the problem significantly, by moving pci_iomap to a separate file and referencing that from all architectures. * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: alpha: drop pci_iomap/pci_iounmap from pci-noop.c mn10300: switch to GENERIC_PCI_IOMAP mn10300: add missing __iomap markers frv: switch to GENERIC_PCI_IOMAP tile: switch to GENERIC_PCI_IOMAP tile: don't panic on iomap sparc: switch to GENERIC_PCI_IOMAP sh: switch to GENERIC_PCI_IOMAP powerpc: switch to GENERIC_PCI_IOMAP parisc: switch to GENERIC_PCI_IOMAP mips: switch to GENERIC_PCI_IOMAP microblaze: switch to GENERIC_PCI_IOMAP arm: switch to GENERIC_PCI_IOMAP alpha: switch to GENERIC_PCI_IOMAP lib: add GENERIC_PCI_IOMAP lib: move GENERIC_IOMAP to lib/Kconfig Fix up trivial conflicts due to changes nearby in arch/{m68k,score}/Kconfig
2012-01-06microblaze/PCI: use pci_scan_root_bus()Bjorn Helgaas1-7/+3
Microblaze doesn't need to replace pci_scan_child_bus() or do anything special before pci_bus_add_devices(), so we can use the more generic PCI path in pci_scan_root_bus(). CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-01-06microblaze/PCI: convert to pci_create_root_bus() for correct root bus resourcesBjorn Helgaas1-15/+15
Convert from pci_create_bus() to pci_create_root_bus(). This way the root bus resources are correct immediately. This patch doesn't fix a problem because microblaze fixed the resources before scanning the bus, but it makes microblaze more consistent with other architectures. It also allows us to use the pci_scan_root_bus() path safely. CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-01-06microblaze/PCI: make pcibios_setup_phb_resources() staticBjorn Helgaas1-1/+1
CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-01-06microblaze/PCI: fix pci_bus_for_each_resource() usageBjorn Helgaas1-2/+0
The pci_bus_for_each_resource() iterator sets "res" itself, so there's no need to look it up in the bus->resource[] table. Logically part of 89a74ecccd and 8a66da71fa. CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-01-06PCI: MicroBlaze: convert pcibios_set_master() to a non-inlined functionMyron Stowe1-0/+5
This patch converts MicroBlaze's architecture-specific 'pcibios_set_master()' routine to a non-inlined function. This will allow follow on patches to create a generic 'pcibios_set_master()' function using the '__weak' attribute which can be used by all architectures as a default which, if necessary, can then be over- ridden by architecture-specific code. Converting 'pci_bios_set_master()' to a non-inlined function will allow MicroBlaze's 'pcibios_set_master()' implementation to remain architecture-specific after the generic version is introduced and thus, not change current behavior. No functional change. Signed-off-by: Myron Stowe <myron.stowe@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-01-05microblaze: Remove NO_IRQ from architectureMichal Simek1-2/+2
NO_IRQ shouldn't be used by any driver. All Microblaze drivers are fixed that's why NO_IRQ can be removed. Also fix pci-common.c which has references to NO_IRQ removed. Signed-off-by: Michal Simek <monstr@monstr.eu> Reviewed-by: Ryan Mallon <rmallon@gmail.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-11-28microblaze: switch to GENERIC_PCI_IOMAPMichael S. Tsirkin1-19/+0
microblaze copied pci_iomap from generic code, probably to avoid pulling the rest of iomap.c in. Since that's in a separate file now, we can reuse the common implementation. The only difference is handling of nocache flag, that turns out to be done correctly by the generic code since arch/microblaze/include/asm/io.h defines ioremap_nocache same as ioremap. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-10-31microblaze: Add export.h to arch/microblaze files as requiredPaul Gortmaker2-0/+2
For access to the EXPORT_SYMBOL variants and THIS_MODULE macros. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2011-07-25Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivialLinus Torvalds1-1/+1
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) fs: Merge split strings treewide: fix potentially dangerous trailing ';' in #defined values/expressions uwb: Fix misspelling of neighbourhood in comment net, netfilter: Remove redundant goto in ebt_ulog_packet trivial: don't touch files that are removed in the staging tree lib/vsprintf: replace link to Draft by final RFC number doc: Kconfig: `to be' -> `be' doc: Kconfig: Typo: square -> squared doc: Konfig: Documentation/power/{pm => apm-acpi}.txt drivers/net: static should be at beginning of declaration drivers/media: static should be at beginning of declaration drivers/i2c: static should be at beginning of declaration XTENSA: static should be at beginning of declaration SH: static should be at beginning of declaration MIPS: static should be at beginning of declaration ARM: static should be at beginning of declaration rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check Update my e-mail address PCIe ASPM: forcedly -> forcibly gma500: push through device driver tree ... Fix up trivial conflicts: - arch/arm/mach-ep93xx/dma-m2p.c (deleted) - drivers/gpio/gpio-ep93xx.c (renamed and context nearby) - drivers/net/r8169.c (just context changes)
2011-06-10treewide: Convert uses of struct resource to resource_size(ptr)Joe Perches1-1/+1
Several fixes as well where the +1 was missing. Done via coccinelle scripts like: @@ struct resource *ptr; @@ - ptr->end - ptr->start + 1 + resource_size(ptr) and some grep and typing. Mostly uncompiled, no cross-compilers. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-06-08microblaze/pci: Move the remains of pci_32.c to pci-common.cBenjamin Herrenschmidt3-139/+113
There's no point in keeping this separate. Even if microblaze grows a 64-bit variant, it will probably be able to re-use that code as-is Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2011-06-08microblaze/pci: Remove powermac originated cruftBenjamin Herrenschmidt1-270/+2
The whole business with re-assigning all bus numbers, creating an OF bus "map" etc... is ancient powermac stuff that you really don't care about on microblaze. Similarly pci_device_from_OF_node() is unused and by getting rid of it we can get rid of a whole lot of code otherwise unused on this architecture Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Michal Simek <monstr@monstr.eu>
2011-06-08pci/of: Match PCI devices to OF nodes dynamicallyBenjamin Herrenschmidt1-33/+7
powerpc has two different ways of matching PCI devices to their corresponding OF node (if any) for historical reasons. The ppc64 one does a scan looking for matching bus/dev/fn, while the ppc32 one does a scan looking only for matching dev/fn on each level in order to be agnostic to busses being renumbered (which Linux does on some platforms). This removes both and instead moves the matching code to the PCI core itself. It's the most logical place to do it: when a pci_dev is created, we know the parent and thus can do a single level scan for the matching device_node (if any). The benefit is that all archs now get the matching for free. There's one hook the arch might want to provide to match a PHB bus to its device node. A default weak implementation is provided that looks for the parent device device node, but it's not entirely reliable on powerpc for various reasons so powerpc provides its own. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2011-03-31Fix common misspellingsLucas De Marchi1-1/+1
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-29microblaze: Convert to new irq function namesThomas Gleixner1-1/+1
Namespace conversion scripted with coccinelle. Also retrieve the irq type from irq_data in intc_enable_or_unmask() Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-02-04powerpc/pci: Make both ppc32 and ppc64 use sysdata for pci_controllerGrant Likely1-0/+1
Currently, ppc32 uses sysdata for the pci_controller pointer, and ppc64 uses it to hold the device_node pointer. This patch moves the of_node pointer into (struct pci_bus*)->dev.of_node and (struct pci_dev*)->dev.of_node so that sysdata can be converted to always use the pci_controller pointer instead. It also fixes up the allocating of pci devices so that the of_node pointer gets assigned consistently and increments the ref count. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-02-04of/pci: move of_irq_map_pci() into generic codeSebastian Andrzej Siewior1-0/+1
There is a tiny difference between PPC32 and PPC64. Microblaze uses the PPC32 variant. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> [grant.likely@secretlab.ca: Added comment to #endif, moved documentation block to function implementation, fixed for non ppc and microblaze compiles] Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-10-21microblaze: pci-common cleanupNishanth Aravamudan1-4/+2
Use set_dma_ops and remove now used-once oddly named temp pointer sd. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-10-21microblaze: use asm-generic/pci-dma-compat.hFUJITA Tomonori1-15/+0
Use asm-generic/pci-dma-compat.h instead of the homegrown pci_set_dma_mask and pci_set_consistent_dma_mask. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
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