On 6/4/21 12:50 AM, patrice.chotard@xxxxxxxxxxx wrote: > From: Patrice Chotard <patrice.chotard@xxxxxxxxxxx> > > Fix the following compilation warning using W=1 build: > arm-linux-gnueabi-ld: drivers/spi/spi-stm32-qspi.o: in function `stm32_qspi_poll_status': > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx> This is a build error, not a warning. The complete message is: ld: drivers/spi/spi-stm32-qspi.o: in function `stm32_qspi_poll_status': spi-stm32-qspi.c:(.text+0x661): undefined reference to `spi_mem_supports_op' Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested thanks. > --- > drivers/spi/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig > index f4481fe48bf0..e71a4c514f7b 100644 > --- a/drivers/spi/Kconfig > +++ b/drivers/spi/Kconfig > @@ -806,6 +806,7 @@ config SPI_STM32_QSPI > tristate "STMicroelectronics STM32 QUAD SPI controller" > depends on ARCH_STM32 || COMPILE_TEST > depends on OF > + depends on SPI_MEM > help > This enables support for the Quad SPI controller in master mode. > This driver does not support generic SPI. The implementation only > -- ~Randy