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Use pci_is_root_bus() rather than tracking the root bus number to
determine if the bus is the root bus or not. This removes storing
duplicated data as well as the need for the host bridge driver to have
to care about the bus numbers in most cases.
Also, bridge->busnr is never set so effectively the root bus must be 0.
This will be fixed by a subsequent commit.
Link: https://lore.kernel.org/r/20200722022514.1283916-10-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
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The rockchip host driver does the same host registration and bus scanning
calls as pci_host_probe, so let's use it instead.
Link: https://lore.kernel.org/r/20200522234832.954484-14-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
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- Consolidate DT "dma-ranges" parsing and convert all host drivers to use
shared parsing (Rob Herring)
* remotes/lorenzo/pci/mmio-dma-ranges:
PCI: Make devm_of_pci_get_host_bridge_resources() static
PCI: rcar: Use inbound resources for setup
PCI: iproc: Use inbound resources for setup
PCI: xgene: Use inbound resources for setup
PCI: v3-semi: Use inbound resources for setup
PCI: ftpci100: Use inbound resources for setup
PCI: of: Add inbound resource parsing to helpers
PCI: versatile: Enable COMPILE_TEST
PCI: versatile: Remove usage of PHYS_OFFSET
PCI: versatile: Use pci_parse_request_of_pci_ranges()
PCI: xilinx-nwl: Use pci_parse_request_of_pci_ranges()
PCI: xilinx: Use pci_parse_request_of_pci_ranges()
PCI: xgene: Use pci_parse_request_of_pci_ranges()
PCI: v3-semi: Use pci_parse_request_of_pci_ranges()
PCI: rockchip: Drop storing driver private outbound resource data
PCI: rockchip: Use pci_parse_request_of_pci_ranges()
PCI: mobiveil: Use pci_parse_request_of_pci_ranges()
PCI: mediatek: Use pci_parse_request_of_pci_ranges()
PCI: iproc: Use pci_parse_request_of_pci_ranges()
PCI: faraday: Use pci_parse_request_of_pci_ranges()
PCI: dwc: Use pci_parse_request_of_pci_ranges()
PCI: altera: Use pci_parse_request_of_pci_ranges()
PCI: aardvark: Use pci_parse_request_of_pci_ranges()
PCI: Export pci_parse_request_of_pci_ranges()
resource: Add a resource_list_first_type helper
# Conflicts:
# drivers/pci/controller/pcie-rcar.c
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Change:
drivers/pci/controller/pcie-cadence.h
drivers/pci/controller/pcie-rockchip.h
to use the correct SPDX comment style per section 2 of
Documentation/process/license-rules.rst.
These resolve the following checkpatch.pl warning:
WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
[bhelgaas: split to separate patch]
Link: https://lore.kernel.org/r/20190828135322.10370-1-kw@linux.com
Signed-off-by: Krzysztof Wilczynski <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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The Rockchip host bridge driver doesn't need to store outboard resources
in its private struct as they are already stored in struct
pci_host_bridge.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Andrew Murray <andrew.murray@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org
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Native PCI drivers for root complex devices were originally all in
drivers/pci/host/. Some of these devices can also be operated in endpoint
mode. Drivers for endpoint mode didn't seem to fit in the "host"
directory, so we put both the root complex and endpoint drivers in
per-device directories, e.g., drivers/pci/dwc/, drivers/pci/cadence/, etc.
These per-device directories contain trivial Kconfig and Makefiles and
clutter drivers/pci/. Make a new drivers/pci/controllers/ directory and
collect all the device-specific drivers there.
No functional change intended.
Link: https://lkml.kernel.org/r/1520304202-232891-1-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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