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Date: Thu, 2 Dec 2021 12:06:24 +0100
From: Fan Fei <ffclaire1224@...il.com>
To: helgaas@...nel.org, bjorn@...gaas.com
Cc: bhelgaas@...gle.com, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, lorenzo.pieralisi@....com,
pratyush.anand@...il.com, robh@...nel.org,
thomas.petazzoni@...tlin.com, Fan Fei <ffclaire1224@...il.com>
Subject: [PATCH] PCI: Improve compile-test coverage
Remove the "depends on OF" in Kconfig of PCI controllers. These drivers
depends on CONFIG_OF because they use interface in of.h file, e.g.
"of_match_ptr()". But these interface are defined as stub if CONFIG_OF is
not set. Thus we can compile them without CONFIG_OF, instead just with
COMPILE_TEST.
Signed-off-by: Fan Fei <ffclaire1224@...il.com>
---
Hi, Bjorn,
I just did as what you suggested, remove the "depends on OF" in Konfig, and
compile it. It seems to work well. On the thread
https://lore.kernel.org/all/20201005215817.GA3063223@bjorn-Precision-5520/
mentioned by the task excel, there are some replacement of "of_match_ptr()",
but this function seems to be defined even CONFIG_OF is not set. Is it
correct to reply in this thread or shall I send it to mail list directly?
Kind regards
Fan
drivers/pci/controller/Kconfig | 24 ++++++------------------
1 file changed, 6 insertions(+), 18 deletions(-)
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
index 93b141110537..6e988420f900 100644
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -8,13 +8,11 @@ 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
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
@@ -34,12 +32,11 @@ 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 ARM
depends on ARCH_IXP4XX || COMPILE_TEST
default ARCH_IXP4XX
help
@@ -85,7 +82,6 @@ config PCI_HOST_COMMON
config PCI_HOST_GENERIC
tristate "Generic PCI host controller"
- depends on OF
select PCI_HOST_COMMON
select IRQ_DOMAIN
help
@@ -94,7 +90,7 @@ config PCI_HOST_GENERIC
config PCIE_XILINX
bool "Xilinx AXI PCIe host bridge support"
- depends on OF || COMPILE_TEST
+ depends on COMPILE_TEST
depends on PCI_MSI_IRQ_DOMAIN
help
Say 'Y' here if you want kernel to support the Xilinx AXI PCIe
@@ -111,7 +107,7 @@ config PCIE_XILINX_CPM
config PCI_XGENE
bool "X-Gene PCIe controller"
depends on ARM64 || COMPILE_TEST
- depends on OF || (ACPI && PCI_QUIRKS)
+ depends on ACPI && PCI_QUIRKS
help
Say Y here if you want internal PCI support on APM X-Gene SoC.
There are 5 internal PCIe ports available. Each port is GEN3 capable
@@ -128,7 +124,6 @@ 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
@@ -146,7 +141,6 @@ config PCIE_IPROC
config PCIE_IPROC_PLATFORM
tristate "Broadcom iProc PCIe platform bus driver"
depends on ARCH_BCM_IPROC || (ARM && COMPILE_TEST)
- depends on OF
select PCIE_IPROC
default ARCH_BCM_IPROC
help
@@ -190,7 +184,7 @@ config PCIE_ALTERA_MSI
config PCI_HOST_THUNDER_PEM
bool "Cavium Thunder PCIe controller to off-chip devices"
depends on ARM64 || COMPILE_TEST
- depends on OF || (ACPI && PCI_QUIRKS)
+ depends on ACPI && PCI_QUIRKS
select PCI_HOST_COMMON
help
Say Y here if you want PCIe support for CN88XX Cavium Thunder SoCs.
@@ -198,7 +192,7 @@ config PCI_HOST_THUNDER_PEM
config PCI_HOST_THUNDER_ECAM
bool "Cavium Thunder ECAM controller to on-chip devices on pass-1.x silicon"
depends on ARM64 || COMPILE_TEST
- depends on OF || (ACPI && PCI_QUIRKS)
+ depends on ACPI && PCI_QUIRKS
select PCI_HOST_COMMON
help
Say Y here if you want ECAM support for CN88XX-Pass-1.x Cavium Thunder SoCs.
@@ -210,7 +204,6 @@ 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
@@ -222,7 +215,6 @@ 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
@@ -234,7 +226,6 @@ config PCIE_ROCKCHIP_EP
config PCIE_MEDIATEK
tristate "MediaTek PCIe controller"
depends on 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
@@ -272,7 +263,6 @@ config PCIE_BRCMSTB
tristate "Broadcom Brcmstb PCIe host controller"
depends on ARCH_BRCMSTB || ARCH_BCM2835 || ARCH_BCM4908 || \
BMIPS_GENERIC || COMPILE_TEST
- depends on OF
depends on PCI_MSI_IRQ_DOMAIN
default ARCH_BRCMSTB
help
@@ -289,7 +279,6 @@ config PCI_HYPERV_INTERFACE
config PCI_LOONGSON
bool "LOONGSON PCI Controller"
depends on MACH_LOONGSON64 || COMPILE_TEST
- depends on OF
depends on PCI_QUIRKS
default MACH_LOONGSON64
help
@@ -298,7 +287,7 @@ 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
@@ -321,7 +310,6 @@ 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
--
2.25.1
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