From: Tejun Heo <htejun@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>,
Frans Pop <elendil@planet.nl>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: Re: No IDE drivers loaded for Toshiba Satellite 320 CDS
Date: Wed, 16 Apr 2008 08:25:57 +0900 [thread overview]
Message-ID: <48053985.8080702@gmail.com> (raw)
In-Reply-To: <20080415110419.785a75ee@core>
Alan Cox wrote:
>> Always loading generic or ata_generic used to be safe. It's still
>> pretty safe but not as much as before. Nowadays, there are good number
>
> ata_generic is always safe unless you force it to grab every class
> device. By default it grabs only those devices we know obey the class
> interface well enough and for which we have no proper driver (usually
> because there are no documents). Ditto for ide/pci/generic.
>
> The trickier one is pata_legacy, which tries to be smart and knows about
> the known exception so *should* always be safe. The old IDE legacy driver
> lacks these smarts so in some cases will do the wrong thing even if
> loaded last.
Right, I was thinking about drivers/ide/ide-generic.c which just grabs
every known legacy IO ports. This actually caused rather serious
problems on some ATI controllers under certain configurations. :-(
--
tejun
next prev parent reply other threads:[~2008-04-15 23:25 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-02 13:24 No IDE drivers loaded for Toshiba Satellite 320 CDS Frans Pop
2008-04-02 13:27 ` Frans Pop
2008-04-02 13:57 ` Lennart Sorensen
2008-04-02 14:29 ` Frans Pop
2008-04-02 15:46 ` Lennart Sorensen
2008-04-02 16:20 ` Frans Pop
2008-04-02 19:49 ` Lennart Sorensen
2008-04-03 17:47 ` Frans Pop
2008-04-03 19:31 ` Lennart Sorensen
2008-04-04 6:59 ` Frans Pop
2008-04-13 2:39 ` Tejun Heo
2008-04-13 13:59 ` Frans Pop
2008-04-14 13:52 ` Lennart Sorensen
2008-04-14 13:56 ` Alan Cox
2008-04-14 13:56 ` Alan Cox
2008-04-14 15:29 ` Frans Pop
2008-04-14 15:48 ` Frans Pop
2008-04-14 13:47 ` Lennart Sorensen
2008-04-14 13:53 ` Alan Cox
2008-04-14 13:53 ` Alan Cox
2008-04-15 2:37 ` Tejun Heo
2008-04-15 10:04 ` Alan Cox
2008-04-15 23:25 ` Tejun Heo [this message]
2008-04-15 14:47 ` Lennart Sorensen
2008-04-15 23:31 ` Tejun Heo
2008-04-16 18:08 ` Frans Pop
2008-04-16 22:12 ` Tejun Heo
2008-04-17 14:05 ` Lennart Sorensen
2008-04-24 3:48 ` Tejun Heo
2008-04-16 23:24 ` Alan Cox
2008-04-02 16:33 ` Ondrej Zary
2008-04-02 20:05 ` Lennart Sorensen
2008-04-02 20:10 ` Ondrej Zary
2008-04-02 20:22 ` Lennart Sorensen
2008-04-02 20:34 ` Ondrej Zary
2008-04-03 17:50 ` Alan Cox
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