From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Benjamin Herrenschmidt <benh@ozlabs.org>
Cc: jgarzik@pobox.com, Linux IDE <linux-ide@vger.kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pata_sil680: Only enable MMIO on Cell blades
Date: Tue, 25 Mar 2008 23:49:29 +0000 [thread overview]
Message-ID: <20080325234929.7c52d5c6@core> (raw)
In-Reply-To: <20080325235112.C29CDDE1D9@ozlabs.org>
On Wed, 26 Mar 2008 10:50:41 +1100
Benjamin Herrenschmidt <benh@ozlabs.org> wrote:
> There have been reported regressions of the SIL 680 driver when
> using MMIO, so this makes it only try MMIO on Cell blades where
> it's known to be necessary (the host bridge doesn't do PIO on these).
>
> We'll try to find the root problem with MMIO separately.
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Alan Cox <alan@redhat.com>
WARNING: multiple messages have this Message-ID (diff)
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Benjamin Herrenschmidt <benh@ozlabs.org>
Cc: <jgarzik@pobox.com>, Linux IDE <linux-ide@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] pata_sil680: Only enable MMIO on Cell blades
Date: Tue, 25 Mar 2008 23:49:29 +0000 [thread overview]
Message-ID: <20080325234929.7c52d5c6@core> (raw)
In-Reply-To: <20080325235112.C29CDDE1D9@ozlabs.org>
On Wed, 26 Mar 2008 10:50:41 +1100
Benjamin Herrenschmidt <benh@ozlabs.org> wrote:
> There have been reported regressions of the SIL 680 driver when
> using MMIO, so this makes it only try MMIO on Cell blades where
> it's known to be necessary (the host bridge doesn't do PIO on these).
>
> We'll try to find the root problem with MMIO separately.
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Alan Cox <alan@redhat.com>
next prev parent reply other threads:[~2008-03-26 0:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-25 23:50 [PATCH] pata_sil680: Only enable MMIO on Cell blades Benjamin Herrenschmidt
2008-03-25 23:50 ` Benjamin Herrenschmidt
2008-03-25 23:49 ` Alan Cox [this message]
2008-03-25 23:49 ` Alan Cox
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