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| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-06-14 12:50:08 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-06-15 11:09:48 +0300 |
| commit | 0e1b89e54ddac207e73c9b3e0cd9d4e431509a24 (patch) | |
| tree | 89a8c716b5a981f43723bcd6f9427dedb85395ba /drivers/usb/gadget/udc | |
| parent | 46b780d46bccdc75b63a98b2a9cca5a4e0ff2cec (diff) | |
| download | linux-0e1b89e54ddac207e73c9b3e0cd9d4e431509a24.tar.xz | |
usb: gadget: mv_udc: Handle return value of clk_prepare_enable.
clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget/udc')
| -rw-r--r-- | drivers/usb/gadget/udc/mv_udc_core.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 76f56c5762f9..8a708d0a1042 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -960,9 +960,9 @@ static const struct usb_ep_ops mv_ep_ops = { .fifo_flush = mv_ep_fifo_flush, /* flush fifo */ }; -static void udc_clock_enable(struct mv_udc *udc) +static int udc_clock_enable(struct mv_udc *udc) { - clk_prepare_enable(udc->clk); + return clk_prepare_enable(udc->clk); } static void udc_clock_disable(struct mv_udc *udc) @@ -1070,7 +1070,10 @@ static int mv_udc_enable_internal(struct mv_udc *udc) return 0; dev_dbg(&udc->dev->dev, "enable udc\n"); - udc_clock_enable(udc); + retval = udc_clock_enable(udc); + if (retval) + return retval; + if (udc->pdata->phy_init) { retval = udc->pdata->phy_init(udc->phy_regs); if (retval) { |