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Subject[PATCH 5/5] i2c: Enable compile testing for some of drivers
Date
Some of the I2C bus drivers can be compile tested to increase build
coverage. This requires also:
1. Adding dependencies on COMMON_CLK for BCM2835 and Meson I2C
controllers,
2. Adding 'if' conditional to 'default y' so they will not get enabled
by default on all other architectures,
3. Limiting few compile test options to supported architectures (which
provide the readsX()/writesX() primitives).

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
drivers/i2c/busses/Kconfig | 62 ++++++++++++++++++++------------------
1 file changed, 32 insertions(+), 30 deletions(-)

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 6a0aa76859f3..acb1ba635397 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -367,7 +367,7 @@ comment "I2C system bus drivers (mostly embedded / system-on-chip)"

config I2C_ALTERA
tristate "Altera Soft IP I2C"
- depends on (ARCH_SOCFPGA || NIOS2) && OF
+ depends on (ARCH_SOCFPGA || NIOS2 || COMPILE_TEST) && OF
help
If you say yes to this option, support will be included for the
Altera Soft IP I2C interfaces on SoCFPGA and Nios2 architectures.
@@ -387,7 +387,7 @@ config I2C_ASPEED

config I2C_AT91
tristate "Atmel AT91 I2C Two-Wire interface (TWI)"
- depends on ARCH_AT91
+ depends on ARCH_AT91 || COMPILE_TEST
help
This supports the use of the I2C interface on Atmel AT91
processors.
@@ -440,7 +440,8 @@ config I2C_AXXIA

config I2C_BCM2835
tristate "Broadcom BCM2835 I2C controller"
- depends on ARCH_BCM2835 || ARCH_BRCMSTB
+ depends on ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST
+ depends on COMMON_CLK
help
If you say yes to this option, support will be included for the
BCM2835 I2C controller.
@@ -463,8 +464,8 @@ config I2C_BCM_IPROC

config I2C_BCM_KONA
tristate "BCM Kona I2C adapter"
- depends on ARCH_BCM_MOBILE
- default y
+ depends on ARCH_BCM_MOBILE || COMPILE_TEST
+ default y if ARCH_BCM_MOBILE
help
If you say yes to this option, support will be included for the
I2C interface on the Broadcom Kona family of processors.
@@ -511,7 +512,7 @@ config I2C_CPM

config I2C_DAVINCI
tristate "DaVinci I2C driver"
- depends on ARCH_DAVINCI || ARCH_KEYSTONE
+ depends on ARCH_DAVINCI || ARCH_KEYSTONE || COMPILE_TEST
help
Support for TI DaVinci I2C controller driver.

@@ -572,7 +573,7 @@ config I2C_DESIGNWARE_BAYTRAIL

config I2C_DIGICOLOR
tristate "Conexant Digicolor I2C driver"
- depends on ARCH_DIGICOLOR
+ depends on ARCH_DIGICOLOR || COMPILE_TEST
help
Support for Conexant Digicolor SoCs (CX92755) I2C controller driver.

@@ -611,8 +612,8 @@ config I2C_EMEV2

config I2C_EXYNOS5
tristate "Exynos5 high-speed I2C driver"
- depends on ARCH_EXYNOS && OF
- default y
+ depends on (ARCH_EXYNOS && OF) || COMPILE_TEST
+ default y if ARCH_EXYNOS
help
High-speed I2C controller on Exynos5 based Samsung SoCs.

@@ -634,7 +635,7 @@ config I2C_GPIO_FAULT_INJECTOR

config I2C_HIGHLANDER
tristate "Highlander FPGA SMBus interface"
- depends on SH_HIGHLANDER
+ depends on SH_HIGHLANDER || COMPILE_TEST
help
If you say yes to this option, support will be included for
the SMBus interface located in the FPGA on various Highlander
@@ -686,7 +687,7 @@ config I2C_IMX_LPI2C

config I2C_IOP3XX
tristate "Intel IOPx3xx and IXP4xx on-chip I2C interface"
- depends on ARCH_IOP32X || ARCH_IXP4XX
+ depends on ARCH_IOP32X || ARCH_IXP4XX || COMPILE_TEST
help
Say Y here if you want to use the IIC bus controller on
the Intel IOPx3xx I/O Processors or IXP4xx Network Processors.
@@ -726,6 +727,7 @@ config I2C_LPC2K
config I2C_MESON
tristate "Amlogic Meson I2C controller"
depends on ARCH_MESON || COMPILE_TEST
+ depends on COMMON_CLK
help
If you say yes to this option, support will be included for the
I2C interface on the Amlogic Meson family of SoCs.
@@ -759,7 +761,7 @@ config I2C_MT7621

config I2C_MV64XXX
tristate "Marvell mv64xxx I2C Controller"
- depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU
+ depends on MV64X60 || PLAT_ORION || ARCH_SUNXI || ARCH_MVEBU || COMPILE_TEST
help
If you say yes to this option, support will be included for the
built-in I2C interface on the Marvell 64xxx line of host bridges.
@@ -770,7 +772,7 @@ config I2C_MV64XXX

config I2C_MXS
tristate "Freescale i.MX28 I2C interface"
- depends on SOC_IMX28
+ depends on SOC_IMX28 || COMPILE_TEST
select STMP_DEVICE
help
Say Y here if you want to use the I2C bus controller on
@@ -799,7 +801,7 @@ config I2C_OCORES

config I2C_OMAP
tristate "OMAP I2C adapter"
- depends on ARCH_OMAP || ARCH_K3
+ depends on ARCH_OMAP || ARCH_K3 || COMPILE_TEST
default y if MACH_OMAP_H3 || MACH_OMAP_OSK
help
If you say yes to this option, support will be included for the
@@ -833,7 +835,7 @@ config I2C_PCA_PLATFORM

config I2C_PMCMSP
tristate "PMC MSP I2C TWI Controller"
- depends on PMC_MSP
+ depends on PMC_MSP || COMPILE_TEST
help
This driver supports the PMC TWI controller on MSP devices.

@@ -842,7 +844,7 @@ config I2C_PMCMSP

config I2C_PNX
tristate "I2C bus support for Philips PNX and NXP LPC targets"
- depends on ARCH_LPC32XX
+ depends on ARCH_LPC32XX || COMPILE_TEST
help
This driver supports the Philips IP3204 I2C IP block master and/or
slave controller
@@ -863,7 +865,7 @@ config I2C_PUV3

config I2C_PXA
tristate "Intel PXA2XX I2C adapter"
- depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF)
+ depends on ARCH_PXA || ARCH_MMP || ARCH_MVEBU || (X86_32 && PCI && OF) || COMPILE_TEST
help
If you have devices in the PXA I2C bus, say yes to this option.
This driver can also be built as a module. If so, the module
@@ -933,7 +935,7 @@ config HAVE_S3C2410_I2C

config I2C_S3C2410
tristate "S3C2410 I2C Driver"
- depends on HAVE_S3C2410_I2C
+ depends on HAVE_S3C2410_I2C || COMPILE_TEST
help
Say Y here to include support for I2C controller in the
Samsung SoCs.
@@ -971,7 +973,7 @@ config I2C_SIMTEC

config I2C_SIRF
tristate "CSR SiRFprimaII I2C interface"
- depends on ARCH_SIRF
+ depends on ARCH_SIRF || COMPILE_TEST
help
If you say yes to this option, support will be included for the
CSR SiRFprimaII I2C interface.
@@ -981,14 +983,14 @@ config I2C_SIRF

config I2C_SPRD
tristate "Spreadtrum I2C interface"
- depends on I2C=y && ARCH_SPRD
+ depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
help
If you say yes to this option, support will be included for the
Spreadtrum I2C interface.

config I2C_ST
tristate "STMicroelectronics SSC I2C support"
- depends on ARCH_STI
+ depends on ARCH_STI || COMPILE_TEST
help
Enable this option to add support for STMicroelectronics SoCs
hardware SSC (Synchronous Serial Controller) as an I2C controller.
@@ -1019,7 +1021,7 @@ config I2C_STM32F7

config I2C_STU300
tristate "ST Microelectronics DDC I2C interface"
- depends on MACH_U300
+ depends on MACH_U300 || COMPILE_TEST
default y if MACH_U300
help
If you say yes to this option, support will be included for the
@@ -1055,15 +1057,15 @@ config I2C_SYNQUACER

config I2C_TEGRA
tristate "NVIDIA Tegra internal I2C controller"
- depends on ARCH_TEGRA
+ depends on ARCH_TEGRA || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
help
If you say yes to this option, support will be included for the
I2C controller embedded in NVIDIA Tegra SOCs

config I2C_TEGRA_BPMP
tristate "NVIDIA Tegra BPMP I2C controller"
- depends on TEGRA_BPMP
- default y
+ depends on TEGRA_BPMP || COMPILE_TEST
+ default y if TEGRA_BPMP
help
If you say yes to this option, support will be included for the I2C
controller embedded in NVIDIA Tegra SoCs accessed via the BPMP.
@@ -1101,7 +1103,7 @@ config I2C_VERSATILE

config I2C_WMT
tristate "Wondermedia WM8xxx SoC I2C bus support"
- depends on ARCH_VT8500
+ depends on ARCH_VT8500 || COMPILE_TEST
help
Say yes if you want to support the I2C bus on Wondermedia 8xxx-series
SoCs.
@@ -1142,7 +1144,7 @@ config I2C_XILINX

config I2C_XLR
tristate "Netlogic XLR and Sigma Designs I2C support"
- depends on CPU_XLR || ARCH_TANGO
+ depends on CPU_XLR || ARCH_TANGO || COMPILE_TEST
help
This driver enables support for the on-chip I2C interface of
the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
@@ -1328,7 +1330,7 @@ config I2C_ICY

config I2C_MLXCPLD
tristate "Mellanox I2C driver"
- depends on X86_64
+ depends on X86_64 || COMPILE_TEST
help
This exposes the Mellanox platform I2C busses to the linux I2C layer
for X86 based systems.
@@ -1403,8 +1405,8 @@ config I2C_OPAL

config I2C_ZX2967
tristate "ZTE ZX2967 I2C support"
- depends on ARCH_ZX
- default y
+ depends on ARCH_ZX || (COMPILE_TEST && (ARC || ARM || ARM64 || M68K || RISCV || SUPERH || SPARC))
+ default y if ARCH_ZX
help
Selecting this option will add ZX2967 I2C driver.
This driver can also be built as a module. If so, the module will be
--
2.17.1
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