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authorAlan Stern <stern@rowland.harvard.edu>2011-06-15 22:29:16 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-06-16 02:44:56 +0200
commitcbb330045e5df8f665ac60227ff898421fc8fb92 (patch)
tree905598ff170b0fde21c72ad7edde2674ac5fdad1 /drivers/scsi/gdth.c
parentUSB: change maintainership of ohci-hcd and ehci-hcd (diff)
downloadlinux-cbb330045e5df8f665ac60227ff898421fc8fb92.tar.xz
linux-cbb330045e5df8f665ac60227ff898421fc8fb92.zip
USB: don't let the hub driver prevent system sleep
This patch (as1465) continues implementation of the policy that errors during suspend or hibernation should not prevent the system from going to sleep. In this case, failure to turn on the Suspend feature for a hub port shouldn't be reported as an error. There are situations where this does actually occur (such as when the device plugged into that port was disconnected in the recent past), and it turns out to be harmless. There's no reason for it to prevent a system sleep. Also, don't allow the hub driver to fail a system suspend if the downstream ports aren't all suspended. This is also harmless (and should never happen, given the change mentioned above); printing a warning message in the kernel log is all we really need to do. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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