From 8b06d5b8576d1df4122fa9ca40578ec7f094cb3e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 27 Sep 2013 18:44:53 +0100 Subject: [PATCH] spi/s3c64xx: Check that clock enables succeed on runtime resume Signed-off-by: Mark Brown --- drivers/spi/spi-s3c64xx.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 2e267ce9dc19..dd5ed13436e5 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1524,9 +1524,17 @@ static int s3c64xx_spi_runtime_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master); + int ret; - clk_prepare_enable(sdd->src_clk); - clk_prepare_enable(sdd->clk); + ret = clk_prepare_enable(sdd->src_clk); + if (ret != 0) + return ret; + + ret = clk_prepare_enable(sdd->clk); + if (ret != 0) { + clk_disable_unprepare(sdd->src_clk); + return ret; + } return 0; }