On Sat 05 Dec 09:56 CST 2020, Serge Semin wrote:
> In accordance with the USB HCD/DRD schema all the USB controllers are
> supposed to have DT-nodes named with prefix "^usb(@.*)?". Since the
> existing DT-nodes will be renamed in a subsequent patch let's first make
> sure the DWC3 Qualcomm driver supports them and second falls back to the
> deprecated naming so not to fail on the legacy DTS-files passed to the
> newer kernels.
>
Felipe, will you merge this, so that I can merge the dts patch depending
on this into the Qualcomm DT tree?
Regards,
Bjorn
> Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> ---
> drivers/usb/dwc3/dwc3-qcom.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
> index c703d552bbcf..49ad8d507d37 100644
> --- a/drivers/usb/dwc3/dwc3-qcom.c
> +++ b/drivers/usb/dwc3/dwc3-qcom.c
> @@ -630,7 +630,8 @@ static int dwc3_qcom_of_register_core(struct platform_device *pdev)
> struct device *dev = &pdev->dev;
> int ret;
>
> - dwc3_np = of_get_child_by_name(np, "dwc3");
> + dwc3_np = of_get_child_by_name(np, "usb") ?:
> + of_get_child_by_name(np, "dwc3");
> if (!dwc3_np) {
> dev_err(dev, "failed to find dwc3 core child\n");
> return -ENODEV;
> --
> 2.29.2
>
