linux-kernel - Re: [PATCH v2] r8152: fix lockup when runtime PM is enabled

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Message-ID: <1450179164.17387.18.camel@suse.com>
Date:	Tue, 15 Dec 2015 12:32:44 +0100
From:	Oliver Neukum <oneukum@...e.com>
To:	Peter Wu <peter@...ensteyn.nl>
Cc:	Hayes Wang <hayeswang@...ltek.com>,
	"David S . Miller" <davem@...emloft.net>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Lu Baolu <baolu.lu@...ux.intel.com>
Subject: Re: [PATCH v2] r8152: fix lockup when runtime PM is enabled

On Tue, 2015-12-08 at 15:33 +0100, Peter Wu wrote:
> Can you have a look? I guess that reset_resume needs different
> treatment, but don't know how to do it properly as suspend is not
> called
> before system reset (because the device is apparently already in
> suspended state).
> 
> I think that this new issue can be addressed in a different patch,
> this
> patch solves a more severe lockup. Opinions?

We do not know in advance whether resume() or reset_resume()
will be called after S3. A driver must be ready for both.


	Regards
		Oliver




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