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authorFelipe Balbi <balbi@ti.com>2013-03-15 08:54:59 (GMT)
committerFelipe Balbi <balbi@ti.com>2013-03-18 09:18:28 (GMT)
commit4dbb71612505de1d3d69d011199554f86273c5e9 (patch)
tree48cb79b15b918986cb178d6be57551361d049560 /drivers/usb/gadget
parentd105e7f86f890a530cdefc2a715121345de30dc2 (diff)
downloadlinux-4dbb71612505de1d3d69d011199554f86273c5e9.tar.xz
usb: gadget: mv_udc_core: fix PHY error handling
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>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/mv_udc_core.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index d550b21..9a68c05 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -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++) {