linux-kernel - Re: [098/140] USB: ehci-mxc: bail out on transceiver problems

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Message-ID: <20100802172819.GJ17833@buzzloop.caiaq.de>
Date:	Mon, 2 Aug 2010 19:28:20 +0200
From:	Daniel Mack <daniel@...aq.de>
To:	Greg KH <gregkh@...e.de>
Cc:	Wolfram Sang <w.sang@...gutronix.de>, linux-kernel@...r.kernel.org,
	stable@...nel.org, stable-review@...nel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Sascha Hauer <s.hauer@...gutronix.de>
Subject: Re: [098/140] USB: ehci-mxc: bail out on transceiver problems

On Mon, Aug 02, 2010 at 10:10:50AM -0700, Greg KH wrote:
> On Mon, Aug 02, 2010 at 02:45:14PM +0200, Wolfram Sang wrote:
> > Daniel mentioned that this patch could cause a "regression" with boards
> > which have hardware problems in form of a floating chip select
> > (originating from the reference design!). For such boards, the probing
> > might now fail, leaving the boards without USB, while it worked before
> > (although it only worked because of ignoring the actual problem).
> > 
> > I can't make my mind if it is better to fix the potential OOPS or to
> > keep those boards working for older kernels. I just wanted to mention
> > it, so this is issue won't be overlooked.
> 
> Odd.  Well, I'd rather match what the newer kernels do here, so I'll
> keep it for now unless someone objects.

Yep, I was about to write the same thing. Let's see what it breaks and
fix up the mess afterwards :)

Thanks,
Daniel

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