netdev - Re: [TG3]: Workaround MSI bug on 5714/5780.

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Message-ID: <bdfc5d6e0709051238q1184bf73r50ebb0e354c4bdaf@mail.gmail.com>
Date:	Wed, 5 Sep 2007 15:38:19 -0400
From:	"Andy Gospodarek" <andy@...yhouse.net>
To:	"Michael Chan" <mchan@...adcom.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [TG3]: Workaround MSI bug on 5714/5780.

On 9/5/07, Michael Chan <mchan@...adcom.com> wrote:
> [TG3]: Workaround MSI bug on 5714/5780.
>
> A hardware bug was revealed after a recent PCI MSI patch was made to
> always disable legacy INTX when enabling MSI.  The 5714/5780 chips
> will not generate MSI when INTX is disabled, causing MSI failure
> messages to be reported, and another patch was made to workaround the
> problem by disabling MSI on ServerWorks HT1000 bridge chips commonly
> found with the 5714.
>
> We workaround this chip bug by enabling INTX after we enable MSI and
> after we resume from suspend.
>
> Update version to 3.81.
>
> This problem was discovered by David Miller.
>
> Signed-off-by: Michael Chan <mchan@...adcom.com>
>

Seems reasonable.

Acked-by: Andy Gospodarek <andy@...yhouse.net>
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