From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Alek Du <alek.du@intel.com>
Cc: linux-ide@vger.kernel.org, jgarzik@pobox.com
Subject: Re: [PATCH] ata: Add Intel SCH PATA support
Date: Sun, 27 Apr 2008 09:34:34 +0100 [thread overview]
Message-ID: <20080427093434.182a2137@core> (raw)
In-Reply-To: <20080427075115.3ea40204@dxy.sh.intel.com>
> > PATA_80 means "controller *knows* we are 80 wire". PATA_UNK means
> > "controller can't do detect."
>
> I need to force SCH to use PATA 80 pins to enable UDMA5, just like the way ich_laptop force
> to use 40 pins.
What if I plug in a non 80 wire device ?
> hmmm... for non-sch chipsets, there is no impact, this will only affect sch. You mean
> I should create a ata_sch.c file instead of patching ata_piix.c ?
No an sch subtype in the driver just as we have types for ich/piix etc.
next prev parent reply other threads:[~2008-04-27 8:41 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-26 6:00 [PATCH] ata: Add Intel SCH PATA support Alek Du
2008-04-26 9:30 ` Alan Cox
2008-04-26 23:51 ` Alek Du
2008-04-27 8:34 ` Alan Cox [this message]
2008-04-27 14:03 ` Alek Du
2008-04-27 14:31 ` Alan Cox
2008-04-28 1:20 ` Alek Du
2008-04-28 9:16 ` Alan Cox
2008-04-29 17:22 ` Sergei Shtylyov
2008-04-28 4:05 ` [PATCH] ata: Add Intel SCH PATA support (revised) Alek Du
2008-04-28 8:41 ` Alan Cox
2008-04-28 9:07 ` Alek Du
2008-04-28 9:21 ` Alan Cox
2008-04-28 19:01 ` Bartlomiej Zolnierkiewicz
2008-04-29 0:14 ` Alek Du
2008-04-29 3:41 ` Alek Du
2008-04-29 3:39 ` Alek Du
2008-04-29 16:38 ` Sergei Shtylyov
2008-04-30 2:49 ` Alek Du
2008-04-30 11:17 ` Sergei Shtylyov
2008-04-26 16:46 ` [PATCH] ata: Add Intel SCH PATA support Sergei Shtylyov
2008-04-26 23:32 ` Alek Du
2008-04-26 23:50 ` Alan Cox
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