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path: root/drivers/usb/dwc3/dwc3-xilinx.c
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Diffstat (limited to 'drivers/usb/dwc3/dwc3-xilinx.c')
-rw-r--r--drivers/usb/dwc3/dwc3-xilinx.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c
index e3738e1610db..a33a42ba0249 100644
--- a/drivers/usb/dwc3/dwc3-xilinx.c
+++ b/drivers/usb/dwc3/dwc3-xilinx.c
@@ -121,8 +121,11 @@ static int dwc3_xlnx_init_zynqmp(struct dwc3_xlnx *priv_data)
* in use but the usb3-phy entry is missing from the device tree.
* Therefore, skip these operations in this case.
*/
- if (!priv_data->usb3_phy)
+ if (!priv_data->usb3_phy) {
+ /* Deselect the PIPE Clock Select bit in FPD PIPE Clock register */
+ writel(PIPE_CLK_DESELECT, priv_data->regs + XLNX_USB_FPD_PIPE_CLK);
goto skip_usb3_phy;
+ }
crst = devm_reset_control_get_exclusive(dev, "usb_crst");
if (IS_ERR(crst)) {