[PATCH] xhci: extra long delay for S4

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From: Oliver Neukum <oneukum@xxxxxxx>

Some controllers really do need much longer than the standard
allows.

Signed-off-by: Oliver Neukum <oneukum@xxxxxxx>
---
 drivers/usb/host/xhci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 1e36dbb..8b7589d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -861,8 +861,9 @@ int xhci_suspend(struct xhci_hcd *xhci)
 	command = xhci_readl(xhci, &xhci->op_regs->command);
 	command &= ~CMD_RUN;
 	xhci_writel(xhci, command, &xhci->op_regs->command);
+	/* 1b73:1000 (rev 04) needs a very long timeout */
 	if (xhci_handshake(xhci, &xhci->op_regs->status,
-		      STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) {
+		      STS_HALT, STS_HALT, 10 * XHCI_MAX_HALT_USEC)) {
 		xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n");
 		spin_unlock_irq(&xhci->lock);
 		return -ETIMEDOUT;
-- 
1.8.3.1

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