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USB: RESET_RESUME needs to block autosuspend when remote wakeup is needed

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Reset upon resumption will wipe the input buffer and is therefore
a reason to not suspend if remote wakeup is requested because
the driver needs that data.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum
2008-09-15 17:29:28 +02:00
committed by Greg Kroah-Hartman
parent 682650437e
commit 399d31da4e
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/core/driver.c
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@@ -1070,7 +1070,8 @@ static int autosuspend_check(struct usb_device *udev, int reschedule)
struct usb_driver *driver;
driver = to_usb_driver(intf->dev.driver);
if (!driver->reset_resume)
if (!driver->reset_resume ||
intf->needs_remote_wakeup)
return -EOPNOTSUPP;
}
}