diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 5fb4319d7fd1b..ae56eac34fc73 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1014,8 +1014,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) command = readl(&xhci->op_regs->command); command |= CMD_CRS; writel(command, &xhci->op_regs->command); + /* + * Some controllers take up to 55+ ms to complete the controller + * restore so setting the timeout to 100ms. Xhci specification + * doesn't mention any timeout value. + */ if (xhci_handshake(&xhci->op_regs->status, - STS_RESTORE, 0, 10 * 1000)) { + STS_RESTORE, 0, 100 * 1000)) { xhci_warn(xhci, "WARN: xHC restore state timeout\n"); spin_unlock_irq(&xhci->lock); return -ETIMEDOUT; |