The function mchp_corespi_enable() is defined in the spi-microchip-core.c file, but not called elsewhere, so delete this unused function. drivers/spi/spi-microchip-core.c:122:20: warning: unused function 'mchp_corespi_enable'. Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2418 Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> --- drivers/spi/spi-microchip-core.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/spi/spi-microchip-core.c b/drivers/spi/spi-microchip-core.c index d352844c798c..aeaa1da88f39 100644 --- a/drivers/spi/spi-microchip-core.c +++ b/drivers/spi/spi-microchip-core.c @@ -119,15 +119,6 @@ static inline void mchp_corespi_write(struct mchp_corespi *spi, unsigned int reg writel(val, spi->regs + reg); } -static inline void mchp_corespi_enable(struct mchp_corespi *spi) -{ - u32 control = mchp_corespi_read(spi, REG_CONTROL); - - control |= CONTROL_ENABLE; - - mchp_corespi_write(spi, REG_CONTROL, control); -} - static inline void mchp_corespi_disable(struct mchp_corespi *spi) { u32 control = mchp_corespi_read(spi, REG_CONTROL); -- 2.20.1.7.g153144c