linux-kernel - [PATCH] spi: dw: fix build error by selecting MULTIPLEXER

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Date:   Sun, 15 Nov 2020 20:07:21 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>,
        Mark Brown <broonie@...nel.org>, linux-spi@...r.kernel.org
Subject: [PATCH] spi: dw: fix build error by selecting MULTIPLEXER

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@...el.com>
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Serge Semin <Sergey.Semin@...kalelectronics.ru>
Cc: Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>
Cc: Mark Brown <broonie@...nel.org>
Cc: linux-spi@...r.kernel.org
---
 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,