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2017-08-10microblaze/PCI: Remove pcibios_setup_bus_{self/devices} dead codeLorenzo Pieralisi
01cf9d524ff0 ("microblaze/PCI: Support generic Xilinx AXI PCIe Host Bridge IP driver") removed pcibios calls to: pcibios_setup_bus_self() pcibios_setup_bus_devices() Given that pcibios_fixup_bus() was the only caller of those functions they have now become dead code (along with the functions they were calling in turn), so they can be removed. Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> [bhelgaas: remove "Fixup resources of a PCI<->PCI bridge" comment] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Michal Simek <michal.simek@xilinx.com> Cc: Bharat Kumar Gogada <bharatku@xilinx.com> Cc: Ravi Kiran Gummaluri <rgummal@xilinx.com>
2017-04-18PCI: Add arch_can_pci_mmap_io() on architectures which can mmap() I/O spaceDavid Woodhouse
This is relatively esoteric, and knowing that we don't have it makes life easier in some cases rather than just an eventual -EINVAL from pci_mmap_page_range(). Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-18PCI: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h>David Woodhouse
We can declare it <linux/pci.h> even on platforms where it isn't going to be defined. There's no need to have it littered through the various <asm/pci.h> files. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2016-06-17PCI: Unify pci_resource_to_user() declarationsBjorn Helgaas
Replace the pci_resource_to_user() declarations in each arch that defines HAVE_ARCH_PCI_RESOURCE_TO_USER with a single one in linux/pci.h. Change the MIPS static inline implementation to a non-inline version so the static inline doesn't conflict with the new non-static linux/pci.h declaration. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2016-03-07PCI: Move pci_dma_* helpers to common codeChristoph Hellwig
For a long time all architectures implement the pci_dma_* functions using the generic DMA API, and they all use the same header to do so. Move this header, pci-dma-compat.h, to include/linux and include it from the generic pci.h instead of having each arch duplicate this include. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2015-06-25Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull asm/scatterlist.h removal from Jens Axboe: "We don't have any specific arch scatterlist anymore, since parisc finally switched over. Kill the include" * 'for-4.2/sg' of git://git.kernel.dk/linux-block: remove scatterlist.h generation from arch Kbuild files remove <asm/scatterlist.h>
2015-06-24Merge tag 'microblaze-4.2-rc1' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds
Pull Microblaze updates from Michal Simek: - some PCI fixups - add new MB versions - sparse fixups * tag 'microblaze-4.2-rc1' of git://git.monstr.eu/linux-2.6-microblaze: microblaze/PCI: Remove unnecessary struct pci_dev declaration microblaze/PCI: Remove unnecessary pci_bus_find_capability() declaration microblaze/PCI: Remove unused declarations microblaze: Label local function static microblaze: Add missing release version code
2015-06-08PCI: Remove unused pci_dma_burst_advice()Bjorn Helgaas
pci_dma_burst_advice() was added by e24c2d963a60 ("[PATCH] PCI: DMA bursting advice") but apparently never used. Remove it. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Michal Simek <monstr@monstr.eu> # microblaze CC: David S. Miller <davem@davemloft.net>
2015-06-08PCI: Remove unused pcibios_select_root() (again)Bjorn Helgaas
a6c140969b46 ("Delete pcibios_select_root") removed pcibios_select_root(). But a7db50405216 ("PCI: remove pcibios_scan_all_fns()") added a few copies back, probably with some incorrect merge conflict resolutions. Remove the still-unused pcibios_select_root() definitions. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2015-06-08microblaze/PCI: Remove unnecessary struct pci_dev declarationBjorn Helgaas
All users of arch/microblaze/include/asm/pci.h get it by including include/linux/pci.h, which in turn includes <asm/pci.h> after it declares struct pci_dev. The forward declaration here is unnecessary, so remove it. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-06-08microblaze/PCI: Remove unnecessary pci_bus_find_capability() declarationBjorn Helgaas
pci_bus_find_capability() is declared in include/linux/pci.h. Remove the pci_bus_find_capability() declaration from arch/microblaze/include/asm/pci.h. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-06-08microblaze/PCI: Remove unused declarationsBjorn Helgaas
The following declarations were copied from powerpc but are unused on microblaze: struct pci_controller *init_phb_dynamic(struct device_node *dn) int remove_phb_dynamic(struct pci_controller *phb) struct pci_dev *of_create_pci_dev(struct device_node *node, ...) void of_scan_pci_bridge(struct device_node *node, ...) void of_scan_bus(struct device_node *node, struct pci_bus *bus) void of_rescan_bus(struct device_node *node, struct pci_bus *bus) Remove them. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Michal Simek <monstr@monstr.eu> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-05-05remove <asm/scatterlist.h>Christoph Hellwig
We don't have any arch specific scatterlist now that parisc switched over to the generic one. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2014-06-05Merge tag 'microblaze-3.16-rc1' of git://git.monstr.eu/linux-2.6-microblaze ↵Linus Torvalds
into next 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: Do not setup pci_dma_opsMichal Simek
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>
2014-05-27PCI: Turn pcibios_penalize_isa_irq() into a weak functionHanjun Guo
pcibios_penalize_isa_irq() is only implemented by x86 now, and legacy ISA is not used by some architectures. Make pcibios_penalize_isa_irq() a __weak function to simplify the code. This removes the need for new platforms to add stub implementations of pcibios_penalize_isa_irq(). [bhelgaas: changelog, comments] Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-10-24microblaze/pci: Drop PowerPC-ism from irq parsingGrant Likely
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>
2013-05-09microblaze: pci: Remove duplicated headerMichal Simek
Remove duplicated header. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2012-10-04microblaze: Added more support for PCIJohn Linn
In order to use an off the shelf nic, like the intel pro card, changes are needed to support pci dma interfaces and other small changes. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2012-02-23PCI: collapse pcibios_resource_to_busBjorn Helgaas
Everybody uses the generic pcibios_resource_to_bus() supplied by the core now, so remove the ARCH_HAS_GENERIC_PCI_OFFSETS used during conversion. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-02-23microblaze/PCI: get rid of device resource fixupsBjorn Helgaas
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>
2012-01-06PCI: MicroBlaze: convert pcibios_set_master() to a non-inlined functionMyron Stowe
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>
2011-06-08microblaze/pci: Remove powermac originated cruftBenjamin Herrenschmidt
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>
2011-03-31Fix common misspellingsLucas De Marchi
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2010-10-21microblaze: use asm-generic/pci-dma-compat.hFUJITA Tomonori
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>
2010-05-06microblaze: pci-dma: use include/linux/dma-mapping.hMichal Simek
Based on af407c6db16aa9ca63559076dbe620220a822580 and f41b177157718abe9a93868bb76e47d4a6f3681d Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-03-11microblaze: Add support for Xilinx PCI host bridgeMichal Simek
This patch is based on powerpc patch 64f16502475ddf663169369fffff6da9b10ea9fb We did some cleanups and removed powerpc parts. There is one new debug early listing function too. Exclude function is only in Debug options. We tested in on custom board. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-03-11microblaze: Add pci.hMichal Simek
Add pci.h for microblaze. It is based on powerpc pci.h Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-07-06microblaze: convert all simple headers to use asm-genericRemis Lima Baima
All the simple microblaze header files were adapted to use their asm-generic implementations. These files are more simple and were quite straightforward to change. fb.h, vga.h and parport.h previously did not exist, using the generic version makes it possible to build more drivers successfully in allyesonfig. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-03-27microblaze_v8: pci headersMichal Simek
Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
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