From: Peter Chen Date: Mon, 27 Sep 2010 08:43:25 +0000 (+0800) Subject: USB: do not print -ESHUTDOWN message if usb at otg device mode X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=7491f13367919d97525b73b1fd38801ac83aac06;p=deliverable%2Flinux.git USB: do not print -ESHUTDOWN message if usb at otg device mode At otg device mode, the otg host resume should do no-op during system resume, otherwise, the otg device will be treated as a host for enumeration. So, the otg host driver returns -ESHUTDOWN if it detects the current usb mode is device mode. The host driver has to return -ESHUTDOWN, otherwise, the usb_hc_died will be called. Signed-off-by: Peter Chen Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index d7a4401ef019..c0e60fbcb048 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1337,7 +1337,7 @@ int usb_resume(struct device *dev, pm_message_t msg) /* Avoid PM error messages for devices disconnected while suspended * as we'll display regular disconnect messages just a bit later. */ - if (status == -ENODEV) + if (status == -ENODEV || status == -ESHUTDOWN) status = 0; return status; }