This driver uses writel_relaxed() which does not exist in x86, ppc, etc. Make it depend on ARM && COMPILE_TEST to avoid below build error: CC [M] drivers/spi/spi-qup.o drivers/spi/spi-qup.c: In function 'spi_qup_set_state': drivers/spi/spi-qup.c:180:3: error: implicit declaration of function 'writel_relaxed' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors make[2]: *** [drivers/spi/spi-qup.o] Error 1 make[1]: *** [drivers/spi] Error 2 make: *** [drivers] Error 2 Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx> --- drivers/spi/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index e4e170f..db22cda 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -384,7 +384,7 @@ config SPI_RSPI config SPI_QUP tristate "Qualcomm SPI controller with QUP interface" - depends on ARCH_MSM_DT || COMPILE_TEST + depends on ARCH_MSM_DT || (ARM && COMPILE_TEST) help Qualcomm Universal Peripheral (QUP) core is an AHB slave that provides a common data path (an output FIFO and an input FIFO) -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html