From: Jeff Garzik <jeff@garzik.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: akpm@osdl.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: cable logic
Date: Sat, 12 Apr 2008 00:35:23 -0400 [thread overview]
Message-ID: <48003C0B.20405@garzik.org> (raw)
In-Reply-To: <20080408163750.32efc439@core>
Alan Cox wrote:
> The cable detect isolation patch inadvertently removed 40 wire short
> cable handling. Put it back
>
> Signed-off-by: Alan Cox <alan@redhat.com>
>
> diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc8-mm1/drivers/ata/libata-core.c linux-2.6.25-rc8-mm1/drivers/ata/libata-core.c
> --- linux.vanilla-2.6.25-rc8-mm1/drivers/ata/libata-core.c 2008-04-08 11:34:51.000000000 +0100
> +++ linux-2.6.25-rc8-mm1/drivers/ata/libata-core.c 2008-04-08 12:01:30.000000000 +0100
> @@ -4559,6 +4564,10 @@
> /* If the controller thinks we are 80 wire, we are */
> if (ap->cbl == ATA_CBL_PATA80 || ap->cbl == ATA_CBL_SATA)
> return 0;
> + /* If the system is known to be 40 wire short cable (eg laptop),
> + then we allow 80 wire modes even if the drive isn't sure */
> + if (ap->cbl == ATA_CBL_PATA40_SHORT)
> + return 0;
> /* If the controller doesn't know we scan
>
> - Note: We look for all 40 wire detects at this point.
applied
prev parent reply other threads:[~2008-04-12 4:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-08 15:37 [PATCH] libata: cable logic Alan Cox
2008-04-12 4:35 ` Jeff Garzik [this message]
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