On 01/08/2024 00:38, Elson Serrao wrote: > > > On 7/30/2024 10:39 PM, Krzysztof Kozlowski wrote: >> On 31/07/2024 00:24, Elson Roy Serrao wrote: >>> The Embedded USB Debugger(EUD) is a HS-USB on-chip hub to support the >>> debug and trace capabilities on Qualcomm devices. It is physically >>> present in between the usb connector and the usb controller. Being a >>> HS USB hub, it relies on HS Phy for its functionality. Add HS phy >>> support in the eud driver and control the phy during eud enable/disable >>> operations. >>> >> >> ... >>> static ssize_t enable_show(struct device *dev, >>> @@ -186,6 +216,11 @@ static int eud_probe(struct platform_device *pdev) >>> >>> chip->dev = &pdev->dev; >>> >>> + chip->usb2_phy = devm_phy_get(chip->dev, "usb2-phy"); >>> + if (IS_ERR(chip->usb2_phy)) >>> + return dev_err_probe(chip->dev, PTR_ERR(chip->usb2_phy), >>> + "no usb2 phy configured\n"); >> >> This nicely breaks all users. >> >> NAK >> > > As per my comment in [patch 1/8], phy would be a required property and hence I will first modify > and enable EUD on the existing user (sc7280 SoC) and then extend this to other users. NAK, you break existing users without clear reason. Best regards, Krzysztof