Re: [PATCH] spi: dw: fix build error by selecting MULTIPLEXER

[Serge Semin]

Hello Randy

On Sun, Nov 15, 2020 at 08:07:21PM -0800, Randy Dunlap wrote:
> Fix build error for spi-dw-bt1.o by selecting MULTIPLEXER.
> 
> hppa-linux-ld: drivers/spi/spi-dw-bt1.o: in function `dw_spi_bt1_sys_init':
> (.text+0x1ac): undefined reference to `devm_mux_control_get'

Thank you very much.
Acked-by: Serge Semin <fancer.lancer@xxxxxxxxx>

-Sergey

> 
> Fixes: abf00907538e ("spi: dw: Add Baikal-T1 SPI Controller glue driver")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> Cc: Ramil Zaripov <Ramil.Zaripov@xxxxxxxxxxxxxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: linux-spi@xxxxxxxxxxxxxxx
> ---
>  drivers/spi/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux-next-20201113.orig/drivers/spi/Kconfig
> +++ linux-next-20201113/drivers/spi/Kconfig
> @@ -255,6 +255,7 @@ config SPI_DW_MMIO
>  config SPI_DW_BT1
>  	tristate "Baikal-T1 SPI driver for DW SPI core"
>  	depends on MIPS_BAIKAL_T1 || COMPILE_TEST
> +	select MULTIPLEXER
>  	help
>  	  Baikal-T1 SoC is equipped with three DW APB SSI-based MMIO SPI
>  	  controllers. Two of them are pretty much normal: with IRQ, DMA,