diff options
Diffstat (limited to 'kernel/drivers/usb/dwc3/dwc3-st.c')
| -rw-r--r-- | kernel/drivers/usb/dwc3/dwc3-st.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/kernel/drivers/usb/dwc3/dwc3-st.c b/kernel/drivers/usb/dwc3/dwc3-st.c index 4a1a543de..5c0adb9c6 100644 --- a/kernel/drivers/usb/dwc3/dwc3-st.c +++ b/kernel/drivers/usb/dwc3/dwc3-st.c @@ -135,8 +135,6 @@ static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data) | USB3_SEL_FORCE_DMPULLDOWN2 | USB3_FORCE_DMPULLDOWN2); val |= USB3_DEVICE_NOT_HOST; - - dev_dbg(dwc3_data->dev, "Configuring as Device\n"); break; case USB_DR_MODE_HOST: @@ -154,8 +152,6 @@ static int st_dwc3_drd_init(struct st_dwc3 *dwc3_data) */ val |= USB3_DELAY_VBUSVALID; - - dev_dbg(dwc3_data->dev, "Configuring as Host\n"); break; default: @@ -199,6 +195,7 @@ static int st_dwc3_probe(struct platform_device *pdev) struct resource *res; struct device *dev = &pdev->dev; struct device_node *node = dev->of_node, *child; + struct platform_device *child_pdev; struct regmap *regmap; int ret; @@ -257,8 +254,6 @@ static int st_dwc3_probe(struct platform_device *pdev) goto undo_softreset; } - dwc3_data->dr_mode = of_usb_get_dr_mode(child); - /* Allocate and initialize the core */ ret = of_platform_populate(node, NULL, NULL, dev); if (ret) { @@ -266,6 +261,15 @@ static int st_dwc3_probe(struct platform_device *pdev) goto undo_softreset; } + child_pdev = of_find_device_by_node(child); + if (!child_pdev) { + dev_err(dev, "failed to find dwc3 core device\n"); + ret = -ENODEV; + goto undo_softreset; + } + + dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev); + /* * Configure the USB port as device or host according to the static * configuration passed from DT. |