Some controllers take almost 55ms to complete controller
restore state (CRS).
There is no timeout limit mentioned in xhci specification so
fix the issue by increasing the timeout limit to 55ms
Signed-off-by: Ajay Gupta <ajayk...@gmail.com>
Signed-off-by: Nagaraj Annaiah <naga.anna...@gmail.com>
---
drivers/usb/host/xhci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 8c8da2d..44b1af5 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1044,7 +1044,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
command |= CMD_CRS;
writel(command, &xhci->op_regs->command);
if (xhci_handshake(&xhci->op_regs->status,
- STS_RESTORE, 0, 10 * 1000)) {
+ STS_RESTORE, 0, 55 * 1000)) {
xhci_warn(xhci, "WARN: xHC restore state timeout\n");
spin_unlock_irq(&xhci->lock);
return -ETIMEDOUT;
--
2.1.4
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