ahci: imx: add missing clk_disable_unprepare() on error in imx_sata_enable()

Add the missing clk_disable_unprepare() before return from
imx_sata_enable() in the phy reset error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 685a4db030b14e22fa693ed9e24a011a8ebea3aa..e7be1f87d3e553cb8cc651b0d72ea034c70035f3 100644 (file)
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -257,7 +257,7 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv)
                ret = imx_sata_phy_reset(hpriv);
                if (ret) {
                        dev_err(dev, "failed to reset phy: %d\n", ret);
-                       goto disable_regulator;
+                       goto disable_clk;
                }
        }
 
@@ -265,6 +265,8 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv)
 
        return 0;
 
+disable_clk:
+       clk_disable_unprepare(imxpriv->sata_ref_clk);
 disable_regulator:
        if (hpriv->target_pwr)
                regulator_disable(hpriv->target_pwr);