Re: [PATCH 2/2] Workaround for SB600 SATA ODD issue

From: Arjan van de Ven
Date: Sat Nov 04 2006 - 12:37:31 EST


On Fri, 2006-11-03 at 14:00 -0500, Luugi Marsan wrote:
> From: conke.hu@xxxxxxx
>
> 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@xxxxxxx>
>
> --- 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...


--
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