[PATCH] usb: phy: phy-generic: Check clk_prepare_enable() error

[Fabio Estevam]

From: Fabio Estevam <fabio.este...@nxp.com>

clk_prepare_enable() may fail, so we should better check its return
value and propagate it in the case of failure.

Signed-off-by: Fabio Estevam <fabio.este...@nxp.com>
---
 drivers/usb/phy/phy-generic.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index 980c9de..427efb5 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -144,14 +144,18 @@ static irqreturn_t nop_gpio_vbus_thread(int irq, void 
*data)
 int usb_gen_phy_init(struct usb_phy *phy)
 {
        struct usb_phy_generic *nop = dev_get_drvdata(phy->dev);
+       int ret;
 
        if (!IS_ERR(nop->vcc)) {
                if (regulator_enable(nop->vcc))
                        dev_err(phy->dev, "Failed to enable power\n");
        }
 
-       if (!IS_ERR(nop->clk))
-               clk_prepare_enable(nop->clk);
+       if (!IS_ERR(nop->clk)) {
+               ret = clk_prepare_enable(nop->clk);
+               if (ret)
+                       return ret;
+       }
 
        nop_reset(nop);
 
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html