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usb: gadget: mv_udc_core: fix PHY error handling

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PHY layer no longer returns NULL. It will
return -ENXIO when PHY layer isn't enabled
and we can use that to bail out instead of
request a probe deferral.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-03-15 10:54:59 +02:00
parent d105e7f86f
commit 4dbb716125
1 changed files with 7 additions and 4 deletions
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11
drivers/usb/gadget/mv_udc_core.c
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@ -2127,16 +2127,19 @@ static int mv_udc_probe(struct platform_device *pdev)
udc->dev = pdev;
#if IS_ENABLED(CONFIG_USB_PHY)
if (pdata->mode == MV_USB_MODE_OTG) {
udc->transceiver = devm_usb_get_phy(&pdev->dev,
USB_PHY_TYPE_USB2);
if (IS_ERR_OR_NULL(udc->transceiver)) {
if (IS_ERR(udc->transceiver)) {
retval = PTR_ERR(udc->transceiver);
if (retval == -ENXIO)
return retval;
udc->transceiver = NULL;
return -ENODEV;
return -EPROBE_DEFER;
}
}
#endif
udc->clknum = pdata->clknum;
for (clk_i = 0; clk_i < udc->clknum; clk_i++) {