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path: root/drivers/usb/host
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-rw-r--r--drivers/usb/host/ehci-hub.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 429330bc38d..d7b4f7939de 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -439,9 +439,12 @@ static int ehci_hub_control (
/* force reset to complete */
writel (temp & ~PORT_RESET,
&ehci->regs->port_status [wIndex]);
+ /* REVISIT: some hardware needs 550+ usec to clear
+ * this bit; seems too long to spin routinely...
+ */
retval = handshake (
&ehci->regs->port_status [wIndex],
- PORT_RESET, 0, 500);
+ PORT_RESET, 0, 750);
if (retval != 0) {
ehci_err (ehci, "port %d reset error %d\n",
wIndex + 1, retval);