[PATCH v7 2/4] mmc: sdhci-of-arasan: remove disable clk_ahb from sdhci_arasan_resume
From: Shawn Lin <shawn.lin@rock-chips.com>
Date: 2016-03-07 15:47:35
Also in:
linux-mmc, lkml
Subsystem:
arm/zynq architecture, multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, the rest · Maintainers:
Michal Simek, Ulf Hansson, Adrian Hunter, Linus Torvalds
We don't really need disable clk_ahb when failing to resume. Otherwise we may take risk of bus error for accessing register without clk_ahb. Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None drivers/mmc/host/sdhci-of-arasan.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 1e4b5e0..ae8052d 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c@@ -118,7 +118,6 @@ static int sdhci_arasan_resume(struct device *dev) ret = clk_enable(pltfm_host->clk); if (ret) { dev_err(dev, "Cannot enable SD clock.\n"); - clk_disable(sdhci_arasan->clk_ahb); return ret; }
--
2.3.7