s3c64xx_spi_hwinit() disables interrupts. In s3c64xx_spi_probe() after calling s3c64xx_spi_hwinit() they are enabled with the following call. Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Signed-off-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx> --- drivers/spi/spi-s3c64xx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index ea5a22dec53d..53e3581bcd7b 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1378,6 +1378,10 @@ static int s3c64xx_spi_runtime_resume(struct device *dev) s3c64xx_spi_hwinit(sdd); + writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN | + S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN, + sdd->regs + S3C64XX_SPI_INT_EN); + return 0; err_disable_src_clk: -- 2.26.2