sdhci_pltfm_unregister() could operate host's registers, it will cause
problems if the clk is already disabled and unprepared. Fix this issue
by moving the clk_disable_unprepare() call to the end of remove
function.

Signed-off-by: Jisheng Zhang <jszh...@marvell.com>
---
 drivers/mmc/host/sdhci-of-arasan.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-of-arasan.c 
b/drivers/mmc/host/sdhci-of-arasan.c
index 75379cb..50eb8bc 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -206,13 +206,16 @@ clk_dis_ahb:
 
 static int sdhci_arasan_remove(struct platform_device *pdev)
 {
+       int ret;
        struct sdhci_host *host = platform_get_drvdata(pdev);
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
        struct sdhci_arasan_data *sdhci_arasan = pltfm_host->priv;
 
+       ret = sdhci_pltfm_unregister(pdev);
+
        clk_disable_unprepare(sdhci_arasan->clk_ahb);
 
-       return sdhci_pltfm_unregister(pdev);
+       return ret;
 }
 
 static const struct of_device_id sdhci_arasan_of_match[] = {
-- 
2.7.0

Reply via email to