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usb: udc-uclass: Fixed problem when no alias is defined in DT

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commit 801f1fa442 "dm: usb: udc: Use SEQ_ALIAS to index the USB gadget
ports" changed the way the udevice if found. It uses the alias to find
a udevice for a given USB port number. In the commit log it was stated
that if no alias is provided, the bind order will be used instead. However
it doesn't work. Fixing this by adding a call to uclass_get_device() if
uclass_get_device_by_seq() fails.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Tested-by: Vignesh R <vigneshr@ti.com>
This commit is contained in:
Jean-Jacques Hiblot 2019-01-24 15:44:53 +01:00 committed by Marek Vasut
parent 731785df0b
commit e81d9de531
1 changed files with 5 additions and 2 deletions
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7
drivers/usb/gadget/udc/udc-uclass.c
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@ -23,8 +23,11 @@ int usb_gadget_initialize(int index)
return 0;
ret = uclass_get_device_by_seq(UCLASS_USB_GADGET_GENERIC, index, &dev);
if (!dev || ret) {
pr_err("No USB device found\n");
return -ENODEV;
ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, index, &dev);
if (!dev || ret) {
pr_err("No USB device found\n");
return -ENODEV;
}
}
dev_array[index] = dev;
return 0;