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Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 429330bc38de..d7b4f7939ded 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); |