Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cd930c931417295ac6b4d9fea62accc67192ac34 Commit: cd930c931417295ac6b4d9fea62accc67192ac34 Parent: f8fa7571a928d6d0e1b7444b0ea69ec7dc7db3b6 Author: Alan Stern <[EMAIL PROTECTED]> AuthorDate: Thu Jan 10 11:14:53 2008 -0500 Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]> CommitDate: Fri Feb 1 14:35:03 2008 -0800
USB: EHCI: add a short delay to the bus_suspend routine This patch (as1031) adds a short delay to the bus-suspend routine in ehci-hcd. Without it some devices disconnect when they should suspend. Signed-off-by: Alan Stern <[EMAIL PROTECTED]> Acked-by: David Brownell <[EMAIL PROTECTED]> Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]> --- 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 7919a41..ccd88ae 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -172,6 +172,10 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) } } + /* Apparently some devices need a >= 1-uframe delay here */ + if (ehci->bus_suspended) + udelay(150); + /* turn off now-idle HC */ ehci_halt (ehci); hcd->state = HC_STATE_SUSPENDED; - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html