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Message-Id: <1162730714.8525.60.camel@localhost.localdomain>
Date: Sun, 05 Nov 2006 20:45:14 +0800
From: Conke Hu <conke.hu@....com>
To: Arjan van de Ven <arjan@...radead.org>
Cc: Luugi Marsan <luugi.marsan@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Workaround for SB600 SATA ODD issue
On Sat, 2006-11-04 at 18:36 +0100, Arjan van de Ven wrote:
> On Fri, 2006-11-03 at 14:00 -0500, Luugi Marsan wrote:
> > From: conke.hu@....com
> >
> > There was an ASIC bug in the SB600 SATA controller of low revision (<=13) and CD burning may hang (only SATA ODD has this issue, and SATA HDD works well). The patch provides a workaround for this issue.
> >
> > Signed-off-by: Luugi Marsan <luugi.marsan@....com>
> >
> > --- linux-2.6.19-rc4-git5/drivers/ata/ahci.c.orig 2006-11-04 03:56:22.000000000 +0800
> > +++ linux-2.6.19-rc4-git5/drivers/ata/ahci.c 2006-11-04 04:20:36.000000000 +0800
> > @@ -189,6 +189,7 @@ struct ahci_host_priv {
> > unsigned long flags;
> > u32 cap; /* cache of HOST_CAP register */
> > u32 port_map; /* cache of HOST_PORTS_IMPL reg */
> > + u8 rev; /* PCI Revision ID */
> > };
> >
>
> why put this into the ahci struct rather than in the pci device struct?
> In the place you use it you already have the pci device struct already..
> and it's really a pci device property so putting it in that struct makes
> a whole lot of sense conceptually anyway...
>
>
Hi Arjan,
Yes, I also thought it's more reasonable to add "u8 rev;" to pci_dev
than to ahci_host_priv, but that will effect source code in large scope,
so I added it here :(
Maybe I should resend a patch both for pci_dev and SB600 SATA at the
same time.
Best regards,
Conke Hu
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