mmc: dw_mmc: remove the unnecessary IS_ERR() checking for ciu/biu clock
If ciu/biu clock are NULL, clk_disable_unprepare should be just
returned. In clk_disable_unprepare(), already checked whether clk is
error or NULL.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index cea26ab..1a1e1e1 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -3151,12 +3151,10 @@
host->dma_ops->exit(host);
err_clk_ciu:
- if (!IS_ERR(host->ciu_clk))
- clk_disable_unprepare(host->ciu_clk);
+ clk_disable_unprepare(host->ciu_clk);
err_clk_biu:
- if (!IS_ERR(host->biu_clk))
- clk_disable_unprepare(host->biu_clk);
+ clk_disable_unprepare(host->biu_clk);
return ret;
}
@@ -3182,11 +3180,8 @@
if (host->use_dma && host->dma_ops->exit)
host->dma_ops->exit(host);
- if (!IS_ERR(host->ciu_clk))
- clk_disable_unprepare(host->ciu_clk);
-
- if (!IS_ERR(host->biu_clk))
- clk_disable_unprepare(host->biu_clk);
+ clk_disable_unprepare(host->ciu_clk);
+ clk_disable_unprepare(host->biu_clk);
}
EXPORT_SYMBOL(dw_mci_remove);