Hi,
Ran Wang <ran.wang_1@xxxxxxx> writes:
> Adds entry point at dwc3 core init function to enable
> USB 3.0 PHY driver.
>
> Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx>
> ---
> Change in v2:
> - New file
>
> drivers/usb/dwc3/core.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 03474d3575ab..a9df03c64a7b 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -746,6 +746,8 @@ static int dwc3_core_init(struct dwc3 *dwc)
> {
> u32 reg;
> int ret;
> + int retval;
> + struct phy *phy;
>
> if (!dwc3_core_is_valid(dwc)) {
> dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n");
> @@ -770,6 +772,19 @@ static int dwc3_core_init(struct dwc3 *dwc)
> if (ret)
> goto err0;
>
> + phy = phy_get(dwc->dev, "usb-phy");
> + if (IS_ERR(phy)) {
> + retval = PTR_ERR(phy);
> + if (retval == -EPROBE_DEFER)
> + dev_dbg(dwc->dev, "usb-phy no found\n");
> + } else {
> + retval = phy_init(phy);
> + if (retval) {
> + phy_put(phy);
> + dev_dbg(dwc->dev, "phy_init() error!\n");
> + }
> + }
> +
what???? We already do this. See dwc3_core_get_phy().
--
balbi
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