From: Teik Heng Chong teik.heng.chong@intel.com
The controller registers should not be accessed while the controller's vcc_reset_n is asserted.
Signed-off-by: Teik Heng Chong teik.heng.chong@intel.com --- drivers/usb/host/xhci-dwc3.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 1dbd65dfaa..3172956bd6 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -227,6 +227,11 @@ static int xhci_dwc3_probe(struct udevice *dev) static int xhci_dwc3_remove(struct udevice *dev) { struct xhci_dwc3_plat *plat = dev_get_plat(dev); + int ret; + + ret = xhci_deregister(dev); + if (ret) + return ret;
dwc3_shutdown_phy(dev, &plat->phys);
@@ -234,7 +239,7 @@ static int xhci_dwc3_remove(struct udevice *dev)
reset_release_bulk(&plat->resets);
- return xhci_deregister(dev); + return 0; }
static const struct udevice_id xhci_dwc3_ids[] = {