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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-14 09:02:00 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-14 09:02:00 +0400 |
commit | 2f466d33f5f60542d3d82c0477de5863b22c94b9 (patch) | |
tree | 839972958941d55852a9af270b04af09e3147116 /Documentation | |
parent | f9300eaaac1ca300083ad41937923a90cc3a2394 (diff) | |
parent | eaaeb1cb33310dea6c3fa45d8bfc63e5a1d0a846 (diff) | |
download | linux-2f466d33f5f60542d3d82c0477de5863b22c94b9.tar.xz |
Merge tag 'pci-v3.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
"Resource management
- Fix host bridge window coalescing (Alexey Neyman)
- Pass type, width, and prefetchability for window alignment (Wei Yang)
PCI device hotplug
- Convert acpiphp, acpiphp_ibm to dynamic debug (Lan Tianyu)
Power management
- Remove pci_pm_complete() (Liu Chuansheng)
MSI
- Fail initialization if device is not in PCI_D0 (Yijing Wang)
MPS (Max Payload Size)
- Use pcie_get_mps() and pcie_set_mps() to simplify code (Yijing Wang)
- Use pcie_set_readrq() to simplify code (Yijing Wang)
- Use cached pci_dev->pcie_mpss to simplify code (Yijing Wang)
SR-IOV
- Enable upstream bridges even for VFs on virtual buses (Bjorn Helgaas)
- Use pci_is_root_bus() to avoid catching virtual buses (Wei Yang)
Virtualization
- Add x86 MSI masking ops (Konrad Rzeszutek Wilk)
Freescale i.MX6
- Support i.MX6 PCIe controller (Sean Cross)
- Increase link startup timeout (Marek Vasut)
- Probe PCIe in fs_initcall() (Marek Vasut)
- Fix imprecise abort handler (Tim Harvey)
- Remove redundant of_match_ptr (Sachin Kamat)
Renesas R-Car
- Support Gen2 internal PCIe controller (Valentine Barshak)
Samsung Exynos
- Add MSI support (Jingoo Han)
- Turn off power when link fails (Jingoo Han)
- Add Jingoo Han as maintainer (Jingoo Han)
- Add clk_disable_unprepare() on error path (Wei Yongjun)
- Remove redundant of_match_ptr (Sachin Kamat)
Synopsys DesignWare
- Add irq_create_mapping() (Pratyush Anand)
- Add header guards (Seungwon Jeon)
Miscellaneous
- Enable native PCIe services by default on non-ACPI (Andrew Murray)
- Cleanup _OSC usage and messages (Bjorn Helgaas)
- Remove pcibios_last_bus boot option on non-x86 (Bjorn Helgaas)
- Convert bus code to use bus_, drv_, and dev_groups (Greg Kroah-Hartman)
- Remove unused pci_mem_start (Myron Stowe)
- Make sysfs functions static (Sachin Kamat)
- Warn on invalid return from driver probe (Stephen M. Cameron)
- Remove Intel Haswell D3 delays (Todd E Brandt)
- Call pci_set_master() in core if driver doesn't do it (Yinghai Lu)
- Use pci_is_pcie() to simplify code (Yijing Wang)
- Use PCIe capability accessors to simplify code (Yijing Wang)
- Use cached pci_dev->pcie_cap to simplify code (Yijing Wang)
- Removed unused "is_pcie" from struct pci_dev (Yijing Wang)
- Simplify sysfs CPU affinity implementation (Yijing Wang)"
* tag 'pci-v3.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (79 commits)
PCI: Enable upstream bridges even for VFs on virtual buses
PCI: Add pci_upstream_bridge()
PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()
PCI: Warn on driver probe return value greater than zero
PCI: Drop warning about drivers that don't use pci_set_master()
PCI: Workaround missing pci_set_master in pci drivers
powerpc/pci: Use pci_is_pcie() to simplify code [fix]
PCI: Update pcie_ports 'auto' behavior for non-ACPI platforms
PCI: imx6: Probe the PCIe in fs_initcall()
PCI: Add R-Car Gen2 internal PCI support
PCI: imx6: Remove redundant of_match_ptr
PCI: Report pci_pme_active() kmalloc failure
mn10300/PCI: Remove useless pcibios_last_bus
frv/PCI: Remove pcibios_last_bus
PCI: imx6: Increase link startup timeout
PCI: exynos: Remove redundant of_match_ptr
PCI: imx6: Fix imprecise abort handler
PCI: Fail MSI/MSI-X initialization if device is not in PCI_D0
PCI: imx6: Remove redundant dev_err() in imx6_pcie_probe()
x86/PCI: Coalesce multiple overlapping host bridge windows
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/PCI/pci.txt | 8 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pci/designware-pcie.txt | 7 |
2 files changed, 11 insertions, 4 deletions
diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt index bccf602a87f5..6f458564d625 100644 --- a/Documentation/PCI/pci.txt +++ b/Documentation/PCI/pci.txt @@ -525,8 +525,9 @@ corresponding register block for you. 6. Other interesting functions ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -pci_find_slot() Find pci_dev corresponding to given bus and - slot numbers. +pci_get_domain_bus_and_slot() Find pci_dev corresponding to given domain, + bus and slot and number. If the device is + found, its reference count is increased. pci_set_power_state() Set PCI Power Management state (0=D0 ... 3=D3) pci_find_capability() Find specified capability in device's capability list. @@ -582,7 +583,8 @@ having sane locking. pci_find_device() Superseded by pci_get_device() pci_find_subsys() Superseded by pci_get_subsys() -pci_find_slot() Superseded by pci_get_slot() +pci_find_slot() Superseded by pci_get_domain_bus_and_slot() +pci_get_slot() Superseded by pci_get_domain_bus_and_slot() The alternative is the traditional PCI device driver that walks PCI diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index e216af356847..d5d26d443693 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -3,7 +3,7 @@ Required properties: - compatible: should contain "snps,dw-pcie" to identify the core, plus an identifier for the specific instance, such - as "samsung,exynos5440-pcie". + as "samsung,exynos5440-pcie" or "fsl,imx6q-pcie". - reg: base addresses and lengths of the pcie controller, the phy controller, additional register for the phy controller. - interrupts: interrupt values for level interrupt, @@ -21,6 +21,11 @@ Required properties: - num-lanes: number of lanes to use - reset-gpio: gpio pin number of power good signal +Optional properties for fsl,imx6q-pcie +- power-on-gpio: gpio pin number of power-enable signal +- wake-up-gpio: gpio pin number of incoming wakeup signal +- disable-gpio: gpio pin number of outgoing rfkill/endpoint disable signal + Example: SoC specific DT Entry: |