From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 2/2 v6 RESEND] sierra_net: keep status interrupt URB active Date: Wed, 08 May 2013 13:14:34 -0700 (PDT) Message-ID: <20130508.131434.1761984633661397541.davem@davemloft.net> References: <1367875763.31762.9.camel@dcbw.foobar.com> <1367876096.31762.14.camel@dcbw.foobar.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org, tom.leiming-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, epasheva-ywE8TTl5eJHWpu6QEFMNjNBPR1lH4CV8@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, rfiler-ywE8TTl5eJHWpu6QEFMNjNBPR1lH4CV8@public.gmane.org, phil-ydcDiazATMQ@public.gmane.org To: dcbw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Return-path: In-Reply-To: <1367876096.31762.14.camel-wKZy7rqYPVb5EHUCmHmTqw@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org From: Dan Williams Date: Mon, 06 May 2013 16:34:56 -0500 > The driver and firmware sync up through SYNC messages, and the > firmware's affirmative reply to these SYNC messages appears to be the > "Reset" indication received via the status interrupt endpoint. Thus the > driver needs the status interrupt endpoint always active so that the > Reset indication can be received even if the netdev is closed, which is > the case right after device insertion. > > If the Reset indication is not received by the driver, it continues > sending SYNC messages to the firmware, which crashes about 10 seconds > later and the device stops responding. > > Signed-off-by: Dan Williams Applied. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html