| Commit message (Collapse) | Author | Age |
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The value that should be programmed into the PADS_REFCLK register varies
per SoC. Fix the Tegra PCIe driver to program the correct values. Future
SoCs will require different values in cfg0/1, so the two values are stored
separately in the per-SoC data structures.
For reference, the values are all documented in NV bug 1771116 comment 20.
The ASIC team has validated all these values, except for the Tegra20 value
which is simply left unchanged in this patch.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Thierry Reding <treding@nvidia.com>
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tegra_pcie_phy_power_on() calls tegra_pcie_phy_enable() only for legacy
SoCs. However, part of tegra_pcie_phy_enable() needs to happen in all
cases. Move that code up one level into tegra_pcie_phy_power_on().
[bhelgaas: changelog]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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pcibios_min_mem only exists on 32-bit ARM, so using it in pci-tegra.c
prevents the driver from being used on other arches.
In __pci_assign_resource(), we clip the available area based on
PCIBIOS_MIN_MEM. On 32-bit ARM, this is pcibios_min_mem, with a default
value of 0x01000000. For Tegra, we discover the space available for PCI
resource allocation from the device tree, and the lowest address that will
ever be available is 0x12000000 (on Tegra124).
The Tegra windows are always higher than the default pcibios_min_mem, so
the __pci_assign_resource() has no effect, so there's no need to adjust
pcibios_min_mem here.
[bhelgaas: changelog]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use the pci_remap_iospace() function provided by the PCI core, rather
than the 32-bit ARM-specific pci_ioremap_io().
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Most of the register definitions use lowercase hexadecimal values, with a
few exceptions using uppercase. Convert the latter to be more in line with
the former.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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* pci/demodularize-hosts:
PCI: xgene: Make explicitly non-modular
PCI: thunder-pem: Make explicitly non-modular
PCI: thunder-ecam: Make explicitly non-modular
PCI: tegra: Make explicitly non-modular
PCI: rcar-gen2: Make explicitly non-modular
PCI: rcar: Make explicitly non-modular
PCI: mvebu: Make explicitly non-modular
PCI: layerscape: Make explicitly non-modular
PCI: keystone: Make explicitly non-modular
PCI: hisi: Make explicitly non-modular
PCI: generic: Make explicitly non-modular
PCI: designware-plat: Make it explicitly non-modular
PCI: artpec6: Make explicitly non-modular
PCI: armada8k: Make explicitly non-modular
PCI: artpec: Add PCI_MSI_IRQ_DOMAIN dependency
PCI: artpec: Add Axis ARTPEC-6 PCIe controller driver
PCI: Add DT binding for Axis ARTPEC-6 PCIe controller
PCI: generic: Select IRQ_DOMAIN
* pci/host-request-windows:
PCI: versatile: Simplify host bridge window iteration
PCI: versatile: Request host bridge window resources with core function
PCI: tegra: Request host bridge window resources with core function
PCI: tegra: Remove top-level resource from hierarchy
PCI: rcar: Simplify host bridge window iteration
PCI: rcar: Request host bridge window resources with core function
PCI: rcar Gen2: Request host bridge window resources
PCI: rcar: Drop gen2 dummy I/O port region
ARM: Make PCI I/O space optional
PCI: mvebu: Request host bridge window resources with core function
PCI: generic: Simplify host bridge window iteration
PCI: generic: Request host bridge window resources with core function
PCI: altera: Simplify host bridge window iteration
PCI: altera: Request host bridge window resources with core function
PCI: xilinx-nwl: Use dev_printk() when possible
PCI: xilinx-nwl: Request host bridge window resources
PCI: xilinx-nwl: Free bridge resource list on failure
PCI: xilinx: Request host bridge window resources
PCI: xilinx: Free bridge resource list on failure
PCI: xgene: Request host bridge window resources
PCI: xgene: Free bridge resource list on failure
PCI: iproc: Request host bridge window resources
PCI: designware: Simplify host bridge window iteration
PCI: designware: Request host bridge window resources
PCI: designware: Free bridge resource list on failure
PCI: Add devm_request_pci_bus_resources()
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The switch is the only statement in the resource_list_for_each_entry()
loop, so remove unnecessary "continue" statements in the switch. Simplify
checking for the required non-prefetchable memory aperture.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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41534e53786d ("PCI: tegra: Implement a proper resource hierarchy") did two
things:
1) It added a top-level resource that encloses all resources declared in
the DT description, including registers and bridge apertures, and
2) It requested the bridge apertures, which means the PCI core can track
the resources used by PCI devices below the bridge.
The latter is necessary, but the former is questionable because there's no
guarantee that the bridge registers and the apertures are contiguous. In
this example:
# cat /proc/iomem
00000000-3fffffff : /pcie-controller@00003000
00000000-00000fff : /pcie-controller@00003000/pci@1,0
00003000-000037ff : pads
00003800-000039ff : afi
10000000-1fffffff : cs
the resource tree claims that [mem 0x00003a00-0x0fffffff] is consumed by
/pcie-controller@00003000, but it's not mentioned in the DT, and it might
actually be used by other devices.
Remove the top-level resource so we don't claim more than the device
actually consumes.
This reintroduces the problem that we can't match the resources, e.g.,
"pads", "afi", "cs", etc., to the DT device. I think this should be solved
by having the DT core request all resources of all devices in the DT (it
does not do that today). If a driver claims the device, it can request the
resources it uses. For example:
# cat /proc/iomem
00000000-00000fff : /pcie-controller@00003000
00000000-00000fff : /pcie-controller@00003000/pci@1,0
00003000-000037ff : /pcie-controller@00003000
00003000-000037ff : pads
00003800-000039ff : /pcie-controller@00003000
00003800-000039ff : afi
10000000-1fffffff : /pcie-controller@00003000
10000000-1fffffff : cs
...
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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The switch is the only statement in the resource_list_for_each_entry()
loop, so remove unnecessary cases and "continue" statements in the switch.
Inline rcar_pcie_release_of_pci_ranges(), which is only called once.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Previously we added a dummy I/O port region even though the R-Car
controller doesn't support PCI port I/O. This resulted in bogus root bus
resources like this:
pci_bus 0000:00: root bus resource [io 0xee080000-0xee0810ff]
pci_bus 0000:00: root bus resource [mem 0xee080000-0xee0810ff]
Drop the unused dummy I/O port region and set struct hw_pci.io_optional so
the ARM PCI code doesn't add a default one for us.
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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The switch is the only statement in the resource_list_for_each_entry()
loop, so remove unnecessary "continue" statements in the switch. Remove
unnecessary "goto" statements and label. Simplify checking for the
required non-prefetchable memory aperture.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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The switch is the only statement in the resource_list_for_each_entry()
loop, so remove unnecessary "continue" statements in the switch. Simplify
checking for the required non-prefetchable memory aperture. Inline
altera_pcie_release_of_pci_ranges(), which is only called once.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Use dev_printk() when possible to make messages more useful.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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of_pci_get_host_bridge_resources() allocates a list of resources for host
bridge windows. If we fail after allocating that list, free it before we
return error.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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of_pci_get_host_bridge_resources() allocates a list of resources for host
bridge windows. If we fail after allocating that list, free it before we
return error.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.
For example, the following entries did not previously appear in /proc/iomem:
e180000000-e1ffffffff : /soc/pcie@1f2b0000
e180000000-e182ffffff : PCI Bus 0000:01
e180000000-e181ffffff : 0000:01:00.0
e182000000-e1820fffff : 0000:01:00.0
e182100000-e1821fffff : 0000:01:00.0
f000000000-ffffffffff : /soc/pcie@1f2b0000
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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of_pci_get_host_bridge_resources() allocates a list of resources for host
bridge windows. If we fail after allocating that list, free it before we
return error.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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The switch is the only statement in the resource_list_for_each_entry()
loop, so remove unnecessary "continue" statements in the switch.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Request host bridge window resources so they appear in ioport_resource and
iomem_resource and are reflected in /proc/ioports and /proc/iomem.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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of_pci_get_host_bridge_resources() allocates a list of resources for host
bridge windows. If we fail after allocating that list, free it before we
return error.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_XGENE
drivers/pci/host/Kconfig: bool "X-Gene PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Tanmay Inamdar <tinamdar@apm.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_HOST_THUNDER_PEM
drivers/pci/host/Kconfig: bool "Cavium Thunder PCIe controller to off-chip devices"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: David Daney <david.daney@cavium.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_HOST_THUNDER_ECAM
drivers/pci/host/Kconfig: bool "Cavium Thunder ECAM controller to on-chip devices on pass-1.x silicon"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: David Daney <david.daney@cavium.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_TEGRA
drivers/pci/host/Kconfig: bool "NVIDIA Tegra PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Thierry Reding <thierry.reding@gmail.com>
CC: Stephen Warren <swarren@wwwdotorg.org>
CC: Alexandre Courbot <gnurou@gmail.com>
CC: linux-tegra@vger.kernel.org
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_RCAR_GEN2
drivers/pci/host/Kconfig: bool "Renesas R-Car Gen2 Internal PCI controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog, remove "Module" from author comment]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Phil Edworthy <phil.edworthy@renesas.com>
CC: Valentine Barshak <valentine.barshak@cogentembedded.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_RCAR_GEN2_PCIE
drivers/pci/host/Kconfig: bool "Renesas R-Car PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog, remove "Module" from author comment]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Phil Edworthy <phil.edworthy@renesas.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_MVEBU
drivers/pci/host/Kconfig: bool "Marvell EBU PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog, remove "Module" from author comment]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
CC: Jason Cooper <jason@lakedaemon.net>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_LAYERSCAPE
drivers/pci/host/Kconfig: bool "Freescale Layerscape PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Minghuan Lian <minghuan.Lian@freescale.com>
CC: Mingkai Hu <mingkai.hu@freescale.com>
CC: Roy Zang <tie-fei.zang@freescale.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_KEYSTONE
drivers/pci/host/Kconfig: bool "TI Keystone PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-By: Murali Karicheri <m-karicheri2@ti.com>
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This code is not being built as a module by anyone:
host/Kconfig:config PCI_HISI
host/Kconfig: bool "HiSilicon Hip05 and Hip06 SoCs PCIe controllers"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Zhou Wang <wangzhou1@hisilicon.com>
CC: Dacai Zhu <zhudacai@hisilicon.com>
CC: Gabriele Paoloni <gabriele.paoloni@huawei.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCI_HOST_GENERIC
drivers/pci/host/Kconfig: bool "Generic PCI host controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Will Deacon <will.deacon@arm.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCIE_DW_PLAT
drivers/pci/host/Kconfig: bool "Platform bus based DesignWare PCIe Controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
CC: Jingoo Han <jingoohan1@gmail.com>
CC: Pratyush Anand <pratyush.anand@gmail.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCIE_ARTPEC6
drivers/pci/host/Kconfig: bool "Axis ARTPEC-6 PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog, add "Author" comment]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Niklas Cassel <niklas.cassel@axis.com>
CC: Jesper Nilsson <jesper.nilsson@axis.com>
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This code is not being built as a module by anyone:
drivers/pci/host/Kconfig:config PCIE_ARMADA_8K
drivers/pci/host/Kconfig: bool "Marvell Armada-8K PCIe controller"
Remove uses of MODULE_DESCRIPTION(), MODULE_AUTHOR(), MODULE_LICENSE(),
etc., so that when reading the driver there is no doubt it is builtin-only.
The information is preserved in comments at the top of the file.
Replace module_platform_driver() with builtin_platform_driver(), which uses
the same init level priority, so init ordering is unchanged.
Note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
[bhelgaas: changelog]
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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pci/demodularize-hosts
* pci/host-artpec:
PCI: artpec: Add PCI_MSI_IRQ_DOMAIN dependency
PCI: artpec: Add Axis ARTPEC-6 PCIe controller driver
PCI: Add DT binding for Axis ARTPEC-6 PCIe controller
* pci/host-generic:
PCI: generic: Select IRQ_DOMAIN
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The generic PCI host controller calls of_irq_parse_and_map_pci() in its IRQ
fixup, but that function is only available when CONFIG_IRQ_DOMAIN is set:
drivers/pci/built-in.o: In function `pci_host_common_probe':
drivers/pci/host/pci-host-common.c:181: undefined reference to `of_irq_parse_and_map_pci'
There is no downside in enabling the domains here, so use a Kconfig
select statement to ensure it's always available to this driver.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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The DesignWare PCIe driver requires MSI support, so we get a warning for
the artpec6 glue driver if that is not enabled:
warning: (PCIE_ARTPEC6) selects PCIE_DW which has unmet direct dependencies (PCI && PCI_MSI_IRQ_DOMAIN)
Add the same dependency that all other such drivers have.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Niklas Cassel <niklas.cassel@axis.com>
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The Axis ARTPEC-6 SoC integrates a PCIe controller from Synopsys. Add a
new driver that provides the small glue needed to use the existing
DesignWare driver to make it work on the Axis ARTPEC-6 SoC.
[bhelgaas: return errors directly without gotos, fold in section mismatch
fix]
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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* pci/resource:
unicore32/PCI: Remove pci=firmware command line parameter handling
ARM/PCI: Remove arch-specific pcibios_enable_device()
ARM64/PCI: Remove arch-specific pcibios_enable_device()
MIPS/PCI: Claim bus resources on PCI_PROBE_ONLY set-ups
ARM/PCI: Claim bus resources on PCI_PROBE_ONLY set-ups
PCI: generic: Claim bus resources on PCI_PROBE_ONLY set-ups
PCI: Add generic pci_bus_claim_resources()
alx: Use pci_(request|release)_mem_regions
ethernet/intel: Use pci_(request|release)_mem_regions
GenWQE: Use pci_(request|release)_mem_regions
lpfc: Use pci_(request|release)_mem_regions
NVMe: Use pci_(request|release)_mem_regions
PCI: Add helpers to request/release memory and I/O regions
PCI: Extending pci=resource_alignment to specify device/vendor IDs
sparc/PCI: Implement pci_resource_to_user() with pcibios_resource_to_bus()
powerpc/pci: Implement pci_resource_to_user() with pcibios_resource_to_bus()
microblaze/PCI: Implement pci_resource_to_user() with pcibios_resource_to_bus()
PCI: Unify pci_resource_to_user() declarations
microblaze/PCI: Remove useless __pci_mmap_set_pgprot()
powerpc/pci: Remove __pci_mmap_set_pgprot()
PCI: Ignore write combining when mapping I/O port space
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We claim PCI BAR and bridge window resources in pci_bus_assign_resources(),
but when PCI_PROBE_ONLY is set, we treat those resources as immutable and
don't call pci_bus_assign_resources(), so the resources aren't put in the
resource tree.
When the resources aren't in the tree, they don't show up in /proc/iomem,
we can't detect conflicts, and we need special cases elsewhere for
PCI_PROBE_ONLY or resources without a parent pointer.
Claim all PCI BAR and window resources in the PCI_PROBE_ONLY case.
If a PCI_PROBE_ONLY platform assigns conflicting resources, Linux can't fix
the conflicts. Previously we didn't notice the conflicts, but now we will,
which may expose new failures.
[bhelgaas: changelog, summarize comment]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Will Deacon <will.deacon@arm.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: David Daney <david.daney@cavium.com>
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