netdev - Re: [PATCH 2/2 v4] sierra_net: keep status interrupt URB active

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Message-ID: <1365605870.28888.70.camel@dcbw.foobar.com>
Date:	Wed, 10 Apr 2013 09:57:50 -0500
From:	Dan Williams <dcbw@...hat.com>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Ming Lei <tom.leiming@...il.com>,
	Elina Pasheva <epasheva@...rrawireless.com>,
	Network Development <netdev@...r.kernel.org>,
	linux-usb <linux-usb@...r.kernel.org>,
	Rory Filer <rfiler@...rrawireless.com>,
	Phil Sutter <phil@....cc>
Subject: Re: [PATCH 2/2 v4] sierra_net: keep status interrupt URB active

On Wed, 2013-04-10 at 09:15 +0200, Oliver Neukum wrote:
> On Tuesday 09 April 2013 18:05:51 Dan Williams wrote:
> > 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.
> 
> WHat about suspend/resume?

usbnet should take care of that transparently from the sub-drivers
through it's own suspend/resume logic to kill/resubmit the URB if
required.  Though is there something I'm missing here?

Dan

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