diff options
| author | Jaehoon Chung <[email protected]> | 2018-03-09 15:10:21 +0900 |
|---|---|---|
| committer | Ulf Hansson <[email protected]> | 2018-03-15 10:34:30 +0100 |
| commit | e22842dd64bf86753d3f2b6ea474d73fc1e6ca24 (patch) | |
| tree | d5c3aedb9d35a03ea70ad9ad2cb83af87da02eb7 | |
| parent | e74ef2194b41ba5e511fab29fe5ff00e72d2f42a (diff) | |
mmc: dw_mmc: exynos: fix the suspend/resume issue for exynos5433
Before enabling the clock, dwmmc exynos driver is trying to access the
register. Then the kernel panic can be occurred.
Signed-off-by: Jaehoon Chung <[email protected]>
Reviewed-by: Chanwoo Choi <[email protected]>
Tested-by: Chanwoo Choi <[email protected]>
Cc: [email protected]
Signed-off-by: Ulf Hansson <[email protected]>
| -rw-r--r-- | drivers/mmc/host/dw_mmc-exynos.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index fa41d9422d57..a84aa3f1ae85 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -165,9 +165,15 @@ static void dw_mci_exynos_set_clksel_timing(struct dw_mci *host, u32 timing) static int dw_mci_exynos_runtime_resume(struct device *dev) { struct dw_mci *host = dev_get_drvdata(dev); + int ret; + + ret = dw_mci_runtime_resume(dev); + if (ret) + return ret; dw_mci_exynos_config_smu(host); - return dw_mci_runtime_resume(dev); + + return ret; } /** |