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Subject[PATCH 2/2] PCI: Drop controller CONFIG_OF dependencies
Date
From: Bjorn Helgaas <bhelgaas@google.com>

Many drivers depend on OF interfaces, so they won't be functional if
CONFIG_OF is not set. But OF provides stub functions in that case, so drop
the OF dependencies so we can at least compile-test the drivers.

This means we can compile-test the following drivers even without CONFIG_OF
enabled (many still require either CONFIG_COMPILE_TEST or the relevant
arch):

aardvark
al
apple
brcmstb
cadence-host
cadence-platform-host
cadence-ep
dra7xx-host
dra7xx-ep
dw-rockchip
ftpci100
hisi
intel-gw
ixp4xx
j721e-host
j721e-ep
kirin
layerscape-host
layerscape-ep
mediatek
microchip-host
mobiveil
mvebu
qcom-host
qcom-ep
rockchip-host
rockchip-ep
rockchip-dwc
pci-host-generic
uniphier-host
uniphier-ep
v3-semi
xilinx

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
drivers/pci/controller/Kconfig | 15 ++-------------
drivers/pci/controller/cadence/Kconfig | 6 ------
drivers/pci/controller/dwc/Kconfig | 25 ++++++++++++-------------
drivers/pci/controller/mobiveil/Kconfig | 1 -
4 files changed, 14 insertions(+), 33 deletions(-)

diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
index bfd9bac37e24..76806dc52d1b 100644
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -8,7 +8,6 @@ config PCI_MVEBU
depends on ARCH_MVEBU || ARCH_DOVE || COMPILE_TEST
depends on MVEBU_MBUS
depends on ARM
- depends on OF
select PCI_BRIDGE_EMUL
help
Add support for Marvell EBU PCIe controller. This PCIe controller
@@ -18,7 +17,6 @@ config PCI_MVEBU
config PCI_AARDVARK
tristate "Aardvark PCIe controller"
depends on (ARCH_MVEBU && ARM64) || COMPILE_TEST
- depends on OF
depends on PCI_MSI_IRQ_DOMAIN
select PCI_BRIDGE_EMUL
help
@@ -38,13 +36,12 @@ config PCIE_XILINX_NWL

config PCI_FTPCI100
bool "Faraday Technology FTPCI100 PCI controller"
- depends on OF
default ARCH_GEMINI

config PCI_IXP4XX
bool "Intel IXP4xx PCI controller"
- depends on ARM && OF
depends on ARCH_IXP4XX || COMPILE_TEST
+ depends on ARM
default ARCH_IXP4XX
help
Say Y here if you want support for the PCI host controller found
@@ -89,7 +86,6 @@ config PCI_HOST_COMMON

config PCI_HOST_GENERIC
tristate "Generic PCI host controller"
- depends on OF
select PCI_HOST_COMMON
select IRQ_DOMAIN
help
@@ -98,7 +94,6 @@ config PCI_HOST_GENERIC

config PCIE_XILINX
bool "Xilinx AXI PCIe host bridge support"
- depends on OF || COMPILE_TEST
depends on PCI_MSI_IRQ_DOMAIN
help
Say 'Y' here if you want kernel to support the Xilinx AXI PCIe
@@ -132,7 +127,6 @@ config PCI_XGENE_MSI

config PCI_V3_SEMI
bool "V3 Semiconductor PCI controller"
- depends on OF
depends on ARM || COMPILE_TEST
default ARCH_INTEGRATOR_AP

@@ -214,7 +208,6 @@ config PCIE_ROCKCHIP
config PCIE_ROCKCHIP_HOST
tristate "Rockchip PCIe host controller"
depends on ARCH_ROCKCHIP || COMPILE_TEST
- depends on OF
depends on PCI_MSI_IRQ_DOMAIN
select MFD_SYSCON
select PCIE_ROCKCHIP
@@ -226,7 +219,6 @@ config PCIE_ROCKCHIP_HOST
config PCIE_ROCKCHIP_EP
bool "Rockchip PCIe endpoint controller"
depends on ARCH_ROCKCHIP || COMPILE_TEST
- depends on OF
depends on PCI_ENDPOINT
select MFD_SYSCON
select PCIE_ROCKCHIP
@@ -238,7 +230,6 @@ config PCIE_ROCKCHIP_EP
config PCIE_MEDIATEK
tristate "MediaTek PCIe controller"
depends on ARCH_AIROHA || ARCH_MEDIATEK || COMPILE_TEST
- depends on OF
depends on PCI_MSI_IRQ_DOMAIN
help
Say Y here if you want to enable PCIe controller support on
@@ -276,7 +267,6 @@ config PCIE_BRCMSTB
tristate "Broadcom Brcmstb PCIe host controller"
depends on ARCH_BRCMSTB || ARCH_BCM2835 || ARCH_BCMBCA || \
BMIPS_GENERIC || COMPILE_TEST
- depends on OF
depends on PCI_MSI_IRQ_DOMAIN
default ARCH_BRCMSTB || BMIPS_GENERIC
help
@@ -302,7 +292,7 @@ config PCI_LOONGSON

config PCIE_MICROCHIP_HOST
bool "Microchip AXI PCIe host bridge support"
- depends on PCI_MSI && OF
+ depends on PCI_MSI
select PCI_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ_DOMAIN
select PCI_HOST_COMMON
@@ -325,7 +315,6 @@ config PCIE_APPLE_MSI_DOORBELL_ADDR
config PCIE_APPLE
tristate "Apple PCIe controller"
depends on ARCH_APPLE || COMPILE_TEST
- depends on OF
depends on PCI_MSI_IRQ_DOMAIN
select PCI_HOST_COMMON
help
diff --git a/drivers/pci/controller/cadence/Kconfig b/drivers/pci/controller/cadence/Kconfig
index 5d30564190e1..cb3b19f801a2 100644
--- a/drivers/pci/controller/cadence/Kconfig
+++ b/drivers/pci/controller/cadence/Kconfig
@@ -8,13 +8,11 @@ config PCIE_CADENCE

config PCIE_CADENCE_HOST
bool
- depends on OF
select IRQ_DOMAIN
select PCIE_CADENCE

config PCIE_CADENCE_EP
bool
- depends on OF
depends on PCI_ENDPOINT
select PCIE_CADENCE

@@ -23,7 +21,6 @@ config PCIE_CADENCE_PLAT

config PCIE_CADENCE_PLAT_HOST
bool "Cadence PCIe platform host controller"
- depends on OF
select PCIE_CADENCE_HOST
select PCIE_CADENCE_PLAT
help
@@ -33,7 +30,6 @@ config PCIE_CADENCE_PLAT_HOST

config PCIE_CADENCE_PLAT_EP
bool "Cadence PCIe platform endpoint controller"
- depends on OF
depends on PCI_ENDPOINT
select PCIE_CADENCE_EP
select PCIE_CADENCE_PLAT
@@ -47,7 +43,6 @@ config PCI_J721E

config PCI_J721E_HOST
bool "TI J721E PCIe platform host controller"
- depends on OF
select PCIE_CADENCE_HOST
select PCI_J721E
help
@@ -57,7 +52,6 @@ config PCI_J721E_HOST

config PCI_J721E_EP
bool "TI J721E PCIe platform endpoint controller"
- depends on OF
depends on PCI_ENDPOINT
select PCIE_CADENCE_EP
select PCI_J721E
diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
index 62ce3abf0f19..627006ac2cc0 100644
--- a/drivers/pci/controller/dwc/Kconfig
+++ b/drivers/pci/controller/dwc/Kconfig
@@ -20,7 +20,7 @@ config PCI_DRA7XX
config PCI_DRA7XX_HOST
tristate "TI DRA7xx PCIe controller Host Mode"
depends on SOC_DRA7XX || COMPILE_TEST
- depends on OF && HAS_IOMEM && TI_PIPE3
+ depends on HAS_IOMEM && TI_PIPE3
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
select PCI_DRA7XX
@@ -36,7 +36,7 @@ config PCI_DRA7XX_HOST
config PCI_DRA7XX_EP
tristate "TI DRA7xx PCIe controller Endpoint Mode"
depends on SOC_DRA7XX || COMPILE_TEST
- depends on OF && HAS_IOMEM && TI_PIPE3
+ depends on HAS_IOMEM && TI_PIPE3
depends on PCI_ENDPOINT
select PCIE_DW_EP
select PCI_DRA7XX
@@ -134,7 +134,7 @@ config PCI_KEYSTONE_EP

config PCI_LAYERSCAPE
bool "Freescale Layerscape PCIe controller - Host mode"
- depends on OF && (ARM || ARCH_LAYERSCAPE || COMPILE_TEST)
+ depends on ARM || ARCH_LAYERSCAPE || COMPILE_TEST
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
select MFD_SYSCON
@@ -147,7 +147,7 @@ config PCI_LAYERSCAPE

config PCI_LAYERSCAPE_EP
bool "Freescale Layerscape PCIe controller - Endpoint mode"
- depends on OF && (ARM || ARCH_LAYERSCAPE || COMPILE_TEST)
+ depends on ARM || ARCH_LAYERSCAPE || COMPILE_TEST
depends on PCI_ENDPOINT
select PCIE_DW_EP
help
@@ -158,7 +158,7 @@ config PCI_LAYERSCAPE_EP
controller works in RC mode.

config PCI_HISI
- depends on OF && (ARM64 || COMPILE_TEST)
+ depends on ARM64 || COMPILE_TEST
bool "HiSilicon Hip05 and Hip06 SoCs PCIe controllers"
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
@@ -169,7 +169,7 @@ config PCI_HISI

config PCIE_QCOM
bool "Qualcomm PCIe controller"
- depends on OF && (ARCH_QCOM || COMPILE_TEST)
+ depends on ARCH_QCOM || COMPILE_TEST
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
select CRC8
@@ -180,7 +180,7 @@ config PCIE_QCOM

config PCIE_QCOM_EP
tristate "Qualcomm PCIe controller - Endpoint mode"
- depends on OF && (ARCH_QCOM || COMPILE_TEST)
+ depends on ARCH_QCOM || COMPILE_TEST
depends on PCI_ENDPOINT
select PCIE_DW_EP
help
@@ -228,14 +228,13 @@ config PCIE_ROCKCHIP_DW_HOST
select PCIE_DW_HOST
depends on PCI_MSI_IRQ_DOMAIN
depends on ARCH_ROCKCHIP || COMPILE_TEST
- depends on OF
help
Enables support for the DesignWare PCIe controller in the
Rockchip SoC except RK3399.

config PCIE_INTEL_GW
bool "Intel Gateway PCIe host controller support"
- depends on OF && (X86 || COMPILE_TEST)
+ depends on X86 || COMPILE_TEST
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
help
@@ -273,7 +272,7 @@ config PCIE_KEEMBAY_EP
DesignWare core functions.

config PCIE_KIRIN
- depends on OF && (ARM64 || COMPILE_TEST)
+ depends on ARM64 || COMPILE_TEST
tristate "HiSilicon Kirin series SoCs PCIe controllers"
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
@@ -345,7 +344,7 @@ config PCIE_VISCONTI_HOST
config PCIE_UNIPHIER
bool "Socionext UniPhier PCIe host controllers"
depends on ARCH_UNIPHIER || COMPILE_TEST
- depends on OF && HAS_IOMEM
+ depends on HAS_IOMEM
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
help
@@ -355,7 +354,7 @@ config PCIE_UNIPHIER
config PCIE_UNIPHIER_EP
bool "Socionext UniPhier PCIe endpoint controllers"
depends on ARCH_UNIPHIER || COMPILE_TEST
- depends on OF && HAS_IOMEM
+ depends on HAS_IOMEM
depends on PCI_ENDPOINT
select PCIE_DW_EP
help
@@ -364,7 +363,7 @@ config PCIE_UNIPHIER_EP

config PCIE_AL
bool "Amazon Annapurna Labs PCIe controller"
- depends on OF && (ARM64 || COMPILE_TEST)
+ depends on ARM64 || COMPILE_TEST
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_DW_HOST
select PCI_ECAM
diff --git a/drivers/pci/controller/mobiveil/Kconfig b/drivers/pci/controller/mobiveil/Kconfig
index e4643fb94e78..10f32dd123f6 100644
--- a/drivers/pci/controller/mobiveil/Kconfig
+++ b/drivers/pci/controller/mobiveil/Kconfig
@@ -14,7 +14,6 @@ config PCIE_MOBIVEIL_HOST
config PCIE_MOBIVEIL_PLAT
bool "Mobiveil AXI PCIe controller"
depends on ARCH_ZYNQMP || COMPILE_TEST
- depends on OF
depends on PCI_MSI_IRQ_DOMAIN
select PCIE_MOBIVEIL_HOST
help
--
2.25.1
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