Messages in this thread Patch in this message | | | From | Tomoya MORINAGA <> | Subject | [PATCH] usb/host/ehci-hub: Fix the issue EG20T USB host controller has long resuming time, when pen drive is attached. | Date | Wed, 11 Jul 2012 09:28:31 +0900 |
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Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> --- drivers/usb/host/ehci-hub.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index fc9e7cc..d596d0f 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -207,6 +207,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) int port; int mask; int changed; + int temp; ehci_dbg(ehci, "suspend root hub\n"); @@ -324,6 +325,9 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) * want, and so we must delete any pending watchdog timer events. */ del_timer_sync(&ehci->watchdog); + temp = ehci_readl(ehci, &ehci->regs->status); + if (temp & STS_FLR) + ehci_writel(ehci, STS_FLR, &ehci->regs->status); return 0; } -- 1.7.4.4
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