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    Subject[PATCH 5.10 134/717] spi: dw: fix build error by selecting MULTIPLEXER
    Date
    From: Randy Dunlap <rdunlap@infradead.org>

    [ Upstream commit 1241f0787578136ab58f49adc52f2dcd2bbc4bf2 ]

    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'

    Fixes: abf00907538e ("spi: dw: Add Baikal-T1 SPI Controller glue driver")
    Reported-by: kernel test robot <lkp@intel.com>
    Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
    Cc: Serge Semin <Sergey.Semin@baikalelectronics.ru>
    Cc: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru>
    Cc: Mark Brown <broonie@kernel.org>
    Cc: linux-spi@vger.kernel.org
    Acked-by: Serge Semin <fancer.lancer@gmail.com>
    Link: https://lore.kernel.org/r/20201116040721.8001-1-rdunlap@infradead.org
    Signed-off-by: Mark Brown <broonie@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/spi/Kconfig | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
    index 5cff60de8e834..3fd16b7f61507 100644
    --- a/drivers/spi/Kconfig
    +++ b/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,
    --
    2.27.0


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