From: Jeff Garzik <jgarzik@pobox.com>
To: Erik Slagter <erik@slagter.name>, Mark Lord <liml@rtr.ca>
Cc: linux-ide@vger.kernel.org
Subject: Re: libata and PATA devices
Date: Thu, 11 Aug 2005 16:25:50 -0400 [thread overview]
Message-ID: <42FBB44E.1020004@pobox.com> (raw)
In-Reply-To: <42FBB33D.8050003@pobox.com>
Jeff Garzik wrote:
> The system is thus:
>
> 1) drivers/pci/quirks.c reserves SATA ports (only!) for libata
> 2) Legacy IDE driver claims the unreserved PATA port
> 3) libata loads and uses the ports reserved in #1
>
> This requires a specific kernel configuration:
> (a) CONFIG_IDE_GENERIC be set, and
> (b) IDE driver is built into the kernel.
>
> This also requires that your SATA device is listed in drivers/pci/quirks.c.
>
> Both (a) and (b) are kernel configuration issues. I never saw anything
> in any email thread indicating that (a) and (b) were verified and
> eliminated as problem sources.
To be more clear:
The legacy ISA IDE driver, not the PIIX IDE driver, must claim the PATA
port.
That is why it was incorrect to add ICH SATA PCI IDs to
drivers/ide/pci/piix.c.
Jeff
next prev parent reply other threads:[~2005-08-11 20:25 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-07 17:48 libata and PATA devices Andreas Klöckner
2005-08-08 1:43 ` Tejun Heo
2005-08-08 3:02 ` Jeff Garzik
2005-08-08 10:10 ` Erik Slagter
2005-08-09 13:48 ` Mark Lord
2005-08-09 14:10 ` Mark Lord
2005-08-09 18:01 ` Jeff Garzik
2005-08-09 17:05 ` Erik Slagter
2005-08-09 18:02 ` Jeff Garzik
2005-08-09 17:59 ` Jeff Garzik
2005-08-11 3:57 ` Jeff Garzik
2005-08-11 9:37 ` Erik Slagter
2005-08-11 10:03 ` Bartlomiej Zolnierkiewicz
2005-08-11 10:17 ` Erik Slagter
2005-08-11 10:26 ` Bartlomiej Zolnierkiewicz
2005-08-11 15:29 ` Erik Slagter
2005-08-11 15:57 ` Bartlomiej Zolnierkiewicz
2005-08-11 16:48 ` Erik Slagter
2005-08-11 17:05 ` Mark Lord
2005-08-11 17:19 ` Jeff Garzik
2005-08-11 19:38 ` Erik Slagter
2005-08-11 20:19 ` Wes Newell
2005-08-11 20:21 ` Jeff Garzik
2005-08-11 20:25 ` Jeff Garzik [this message]
2005-08-13 11:30 ` Erik Slagter
2005-08-13 15:33 ` Jeff Garzik
2005-08-13 15:50 ` Erik Slagter
2005-08-13 15:56 ` Jeff Garzik
2005-08-13 16:03 ` Erik Slagter
2005-08-13 16:44 ` Jeff Garzik
2005-08-13 16:53 ` Erik Slagter
2005-08-15 21:39 ` Mark Lord
2005-08-16 7:21 ` Erik Slagter
2005-08-13 15:56 ` Tyler
2005-08-13 15:57 ` Jeff Garzik
2005-08-13 16:05 ` Erik Slagter
2005-08-13 16:42 ` Jeff Garzik
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