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author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-16 14:45:55 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-16 14:45:55 -0700 |
commit | 63e30271b04c712c684c07567401b61b10d094d4 (patch) | |
tree | 88a206568a0e35deaf0663a200eeda5c105e2486 /arch/ia64 | |
parent | 277edbabf6fece057b14fb6db5e3a34e00f42f42 (diff) | |
parent | 6e6f498b039aa5558c7377fbbe65f7421d34cea4 (diff) | |
download | linux-63e30271b04c712c684c07567401b61b10d094d4.tar.gz linux-63e30271b04c712c684c07567401b61b10d094d4.tar.bz2 linux-63e30271b04c712c684c07567401b61b10d094d4.zip |
Merge tag 'pci-v4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes for v4.6:
Enumeration:
- Disable IO/MEM decoding for devices with non-compliant BARs (Bjorn Helgaas)
- Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs (Bjorn Helgaas
Resource management:
- Mark shadow copy of VGA ROM as IORESOURCE_PCI_FIXED (Bjorn Helgaas)
- Don't assign or reassign immutable resources (Bjorn Helgaas)
- Don't enable/disable ROM BAR if we're using a RAM shadow copy (Bjorn Helgaas)
- Set ROM shadow location in arch code, not in PCI core (Bjorn Helgaas)
- Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs (Bjorn Helgaas)
- ia64: Use ioremap() instead of open-coded equivalent (Bjorn Helgaas)
- ia64: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
- MIPS: Keep CPU physical (not virtual) addresses in shadow ROM resource (Bjorn Helgaas)
- Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY (Bjorn Helgaas)
- Don't leak memory if sysfs_create_bin_file() fails (Bjorn Helgaas)
- rcar: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
- designware: Remove PCI_PROBE_ONLY handling (Lorenzo Pieralisi)
Virtualization:
- Wait for up to 1000ms after FLR reset (Alex Williamson)
- Support SR-IOV on any function type (Kelly Zytaruk)
- Add ACS quirk for all Cavium devices (Manish Jaggi)
AER:
- Rename pci_ops_aer to aer_inj_pci_ops (Bjorn Helgaas)
- Restore pci_ops pointer while calling original pci_ops (David Daney)
- Fix aer_inject error codes (Jean Delvare)
- Use dev_warn() in aer_inject (Jean Delvare)
- Log actual error causes in aer_inject (Jean Delvare)
- Log aer_inject error injections (Jean Delvare)
VPD:
- Prevent VPD access for buggy devices (Babu Moger)
- Move pci_read_vpd() and pci_write_vpd() close to other VPD code (Bjorn Helgaas)
- Move pci_vpd_release() from header file to pci/access.c (Bjorn Helgaas)
- Remove struct pci_vpd_ops.release function pointer (Bjorn Helgaas)
- Rename VPD symbols to remove unnecessary "pci22" (Bjorn Helgaas)
- Fold struct pci_vpd_pci22 into struct pci_vpd (Bjorn Helgaas)
- Sleep rather than busy-wait for VPD access completion (Bjorn Helgaas)
- Update VPD definitions (Hannes Reinecke)
- Allow access to VPD attributes with size 0 (Hannes Reinecke)
- Determine actual VPD size on first access (Hannes Reinecke)
Generic host bridge driver:
- Move structure definitions to separate header file (David Daney)
- Add pci_host_common_probe(), based on gen_pci_probe() (David Daney)
- Expose pci_host_common_probe() for use by other drivers (David Daney)
Altera host bridge driver:
- Fix altera_pcie_link_is_up() (Ley Foon Tan)
Cavium ThunderX host bridge driver:
- Add PCIe host driver for ThunderX processors (David Daney)
- Add driver for ThunderX-pass{1,2} on-chip devices (David Daney)
Freescale i.MX6 host bridge driver:
- Add DT bindings to configure PHY Tx driver settings (Justin Waters)
- Move imx6_pcie_reset_phy() near other PHY handling functions (Lucas Stach)
- Move PHY reset into imx6_pcie_establish_link() (Lucas Stach)
- Remove broken Gen2 workaround (Lucas Stach)
- Move link up check into imx6_pcie_wait_for_link() (Lucas Stach)
Freescale Layerscape host bridge driver:
- Add "fsl,ls2085a-pcie" compatible ID (Yang Shi)
Intel VMD host bridge driver:
- Attach VMD resources to parent domain's resource tree (Jon Derrick)
- Set bus resource start to 0 (Keith Busch)
Microsoft Hyper-V host bridge driver:
- Add fwnode_handle to x86 pci_sysdata (Jake Oshins)
- Look up IRQ domain by fwnode_handle (Jake Oshins)
- Add paravirtual PCI front-end for Microsoft Hyper-V VMs (Jake Oshins)
NVIDIA Tegra host bridge driver:
- Add pci_ops.{add,remove}_bus() callbacks (Thierry Reding)
- Implement ->{add,remove}_bus() callbacks (Thierry Reding)
- Remove unused struct tegra_pcie.num_ports field (Thierry Reding)
- Track bus -> CPU mapping (Thierry Reding)
- Remove misleading PHYS_OFFSET (Thierry Reding)
Renesas R-Car host bridge driver:
- Depend on ARCH_RENESAS, not ARCH_SHMOBILE (Simon Horman)
Synopsys DesignWare host bridge driver:
- ARC: Add PCI support (Joao Pinto)
- Add generic dw_pcie_wait_for_link() (Joao Pinto)
- Add default link up check if sub-driver doesn't override (Joao Pinto)
- Add driver for prototyping kits based on ARC SDP (Joao Pinto)
TI Keystone host bridge driver:
- Defer probing if devm_phy_get() returns -EPROBE_DEFER (Shawn Lin)
Xilinx AXI host bridge driver:
- Use of_pci_get_host_bridge_resources() to parse DT (Bharat Kumar Gogada)
- Remove dependency on ARM-specific struct hw_pci (Bharat Kumar Gogada)
- Don't call pci_fixup_irqs() on Microblaze (Bharat Kumar Gogada)
- Update Zynq binding with Microblaze node (Bharat Kumar Gogada)
- microblaze: Support generic Xilinx AXI PCIe Host Bridge IP driver (Bharat Kumar Gogada)
Xilinx NWL host bridge driver:
- Add support for Xilinx NWL PCIe Host Controller (Bharat Kumar Gogada)
Miscellaneous:
- Check device_attach() return value always (Bjorn Helgaas)
- Move pci_set_flags() from asm-generic/pci-bridge.h to linux/pci.h (Bjorn Helgaas)
- Remove includes of empty asm-generic/pci-bridge.h (Bjorn Helgaas)
- ARM64: Remove generated include of asm-generic/pci-bridge.h (Bjorn Helgaas)
- Remove empty asm-generic/pci-bridge.h (Bjorn Helgaas)
- Remove includes of asm/pci-bridge.h (Bjorn Helgaas)
- Consolidate PCI DMA constants and interfaces in linux/pci-dma-compat.h (Bjorn Helgaas)
- unicore32: Remove unused HAVE_ARCH_PCI_SET_DMA_MASK definition (Bjorn Helgaas)
- Cleanup pci/pcie/Kconfig whitespace (Andreas Ziegler)
- Include pci/hotplug Kconfig directly from pci/Kconfig (Bjorn Helgaas)
- Include pci/pcie/Kconfig directly from pci/Kconfig (Bogicevic Sasa)
- frv: Remove stray pci_{alloc,free}_consistent() declaration (Christoph Hellwig)
- Move pci_dma_* helpers to common code (Christoph Hellwig)
- Add PCI_CLASS_SERIAL_USB_DEVICE definition (Heikki Krogerus)
- Add QEMU top-level IDs for (sub)vendor & device (Robin H. Johnson)
- Fix broken URL for Dell biosdevname (Naga Venkata Sai Indubhaskar Jupudi)"
* tag 'pci-v4.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (94 commits)
PCI: Add PCI_CLASS_SERIAL_USB_DEVICE definition
PCI: designware: Add driver for prototyping kits based on ARC SDP
PCI: designware: Add default link up check if sub-driver doesn't override
PCI: designware: Add generic dw_pcie_wait_for_link()
PCI: Cleanup pci/pcie/Kconfig whitespace
PCI: Simplify pci_create_attr() control flow
PCI: Don't leak memory if sysfs_create_bin_file() fails
PCI: Simplify sysfs ROM cleanup
PCI: Remove unused IORESOURCE_ROM_COPY and IORESOURCE_ROM_BIOS_COPY
MIPS: Loongson 3: Keep CPU physical (not virtual) addresses in shadow ROM resource
MIPS: Loongson 3: Use temporary struct resource * to avoid repetition
ia64/PCI: Keep CPU physical (not virtual) addresses in shadow ROM resource
ia64/PCI: Use ioremap() instead of open-coded equivalent
ia64/PCI: Use temporary struct resource * to avoid repetition
PCI: Clean up pci_map_rom() whitespace
PCI: Remove arch-specific IORESOURCE_ROM_SHADOW size from sysfs
PCI: thunder: Add driver for ThunderX-pass{1,2} on-chip devices
PCI: thunder: Add PCIe host driver for ThunderX processors
PCI: generic: Expose pci_host_common_probe() for use by other drivers
PCI: generic: Add pci_host_common_probe(), based on gen_pci_probe()
...
Diffstat (limited to 'arch/ia64')
-rw-r--r-- | arch/ia64/Kconfig | 4 | ||||
-rw-r--r-- | arch/ia64/include/asm/pci.h | 2 | ||||
-rw-r--r-- | arch/ia64/pci/fixup.c | 21 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/io_acpi_init.c | 22 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/io_init.c | 51 |
5 files changed, 48 insertions, 52 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index fb0515eb639b..b534ebab36ea 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -574,12 +574,8 @@ config PCI_DOMAINS config PCI_SYSCALL def_bool PCI -source "drivers/pci/pcie/Kconfig" - source "drivers/pci/Kconfig" -source "drivers/pci/hotplug/Kconfig" - source "drivers/pcmcia/Kconfig" endmenu diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h index 07039d168f37..c0835b0dc722 100644 --- a/arch/ia64/include/asm/pci.h +++ b/arch/ia64/include/asm/pci.h @@ -50,8 +50,6 @@ struct pci_dev; extern unsigned long ia64_max_iommu_merge_mask; #define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL) -#include <asm-generic/pci-dma-compat.h> - #define HAVE_PCI_MMAP extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c index fc505d58f078..41caa99add51 100644 --- a/arch/ia64/pci/fixup.c +++ b/arch/ia64/pci/fixup.c @@ -17,14 +17,14 @@ * * The standard boot ROM sequence for an x86 machine uses the BIOS * to select an initial video card for boot display. This boot video - * card will have it's BIOS copied to C0000 in system RAM. + * card will have its BIOS copied to 0xC0000 in system RAM. * IORESOURCE_ROM_SHADOW is used to associate the boot video * card with this copy. On laptops this copy has to be used since * the main ROM may be compressed or combined with another image. * See pci_map_rom() for use of this flag. Before marking the device * with IORESOURCE_ROM_SHADOW check if a vga_default_device is already set - * by either arch cde or vga-arbitration, if so only apply the fixup to this - * already determined primary video card. + * by either arch code or vga-arbitration; if so only apply the fixup to this + * already-determined primary video card. */ static void pci_fixup_video(struct pci_dev *pdev) @@ -32,6 +32,7 @@ static void pci_fixup_video(struct pci_dev *pdev) struct pci_dev *bridge; struct pci_bus *bus; u16 config; + struct resource *res; if ((strcmp(ia64_platform_name, "dig") != 0) && (strcmp(ia64_platform_name, "hpzx1") != 0)) @@ -61,8 +62,18 @@ static void pci_fixup_video(struct pci_dev *pdev) if (!vga_default_device() || pdev == vga_default_device()) { pci_read_config_word(pdev, PCI_COMMAND, &config); if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) { - pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW; - dev_printk(KERN_DEBUG, &pdev->dev, "Video device with shadowed ROM\n"); + res = &pdev->resource[PCI_ROM_RESOURCE]; + + pci_disable_rom(pdev); + if (res->parent) + release_resource(res); + + res->start = 0xC0000; + res->end = res->start + 0x20000 - 1; + res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW | + IORESOURCE_PCI_FIXED; + dev_info(&pdev->dev, "Video device with shadowed ROM at %pR\n", + res); } } } diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c index 0640739cc20c..231234c8d113 100644 --- a/arch/ia64/sn/kernel/io_acpi_init.c +++ b/arch/ia64/sn/kernel/io_acpi_init.c @@ -429,7 +429,8 @@ sn_acpi_slot_fixup(struct pci_dev *dev) void __iomem *addr; struct pcidev_info *pcidev_info = NULL; struct sn_irq_info *sn_irq_info = NULL; - size_t image_size, size; + struct resource *res; + size_t size; if (sn_acpi_get_pcidev_info(dev, &pcidev_info, &sn_irq_info)) { panic("%s: Failure obtaining pcidev_info for %s\n", @@ -443,17 +444,20 @@ sn_acpi_slot_fixup(struct pci_dev *dev) * of the shadowed copy, and the actual length of the ROM image. */ size = pci_resource_len(dev, PCI_ROM_RESOURCE); - addr = ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE], - size); - image_size = pci_get_rom_size(dev, addr, size); - dev->resource[PCI_ROM_RESOURCE].start = (unsigned long) addr; - dev->resource[PCI_ROM_RESOURCE].end = - (unsigned long) addr + image_size - 1; - dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY; + + res = &dev->resource[PCI_ROM_RESOURCE]; + + pci_disable_rom(dev); + if (res->parent) + release_resource(res); + + res->start = pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]; + res->end = res->start + size - 1; + res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW | + IORESOURCE_PCI_FIXED; } sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info); } - EXPORT_SYMBOL(sn_acpi_slot_fixup); diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 1be65eb074ec..c15a41e2d1f2 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -150,7 +150,8 @@ void sn_io_slot_fixup(struct pci_dev *dev) { int idx; - unsigned long addr, end, size, start; + struct resource *res; + unsigned long addr, size; struct pcidev_info *pcidev_info; struct sn_irq_info *sn_irq_info; int status; @@ -175,55 +176,41 @@ sn_io_slot_fixup(struct pci_dev *dev) /* Copy over PIO Mapped Addresses */ for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { - - if (!pcidev_info->pdi_pio_mapped_addr[idx]) { + if (!pcidev_info->pdi_pio_mapped_addr[idx]) continue; - } - start = dev->resource[idx].start; - end = dev->resource[idx].end; - size = end - start; - if (size == 0) { + res = &dev->resource[idx]; + + size = res->end - res->start; + if (size == 0) continue; - } - addr = pcidev_info->pdi_pio_mapped_addr[idx]; - addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET; - dev->resource[idx].start = addr; - dev->resource[idx].end = addr + size; + + res->start = pcidev_info->pdi_pio_mapped_addr[idx]; + res->end = addr + size; /* * if it's already in the device structure, remove it before * inserting */ - if (dev->resource[idx].parent && dev->resource[idx].parent->child) - release_resource(&dev->resource[idx]); + if (res->parent && res->parent->child) + release_resource(res); - if (dev->resource[idx].flags & IORESOURCE_IO) - insert_resource(&ioport_resource, &dev->resource[idx]); + if (res->flags & IORESOURCE_IO) + insert_resource(&ioport_resource, res); else - insert_resource(&iomem_resource, &dev->resource[idx]); + insert_resource(&iomem_resource, res); /* - * If ROM, set the actual ROM image size, and mark as - * shadowed in PROM. + * If ROM, mark as shadowed in PROM. */ if (idx == PCI_ROM_RESOURCE) { - size_t image_size; - void __iomem *rom; - - rom = ioremap(pci_resource_start(dev, PCI_ROM_RESOURCE), - size + 1); - image_size = pci_get_rom_size(dev, rom, size + 1); - dev->resource[PCI_ROM_RESOURCE].end = - dev->resource[PCI_ROM_RESOURCE].start + - image_size - 1; - dev->resource[PCI_ROM_RESOURCE].flags |= - IORESOURCE_ROM_BIOS_COPY; + pci_disable_rom(dev); + res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW | + IORESOURCE_PCI_FIXED; } } sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info); } - EXPORT_SYMBOL(sn_io_slot_fixup); /* |