From: Tejun Heo <htejun@gmail.com>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Antonio Martins <digiplan.pt@gmail.com>, linux-ide@vger.kernel.org
Subject: Re: UDMA with CS5530 using IBM Netvista N2200 (8363)
Date: Mon, 15 Sep 2008 01:49:53 -0700 [thread overview]
Message-ID: <48CE21B1.6070808@gmail.com> (raw)
In-Reply-To: <48C7DFEC.1090109@ru.mvista.com>
Sergei Shtylyov wrote:
> There's "libata.dma=" option (if you can pass it), set it to 0
> and DMA won't ever be used.
> Note that the "old" IDE code also has the parameter controlling
> DMA usage (even per drive) -- look for "nodma" in
> Documentation/ide/ide.txt.
libata.force can do per device or per-port speed override.
libata.force=1.00:pio4
--
tejun
prev parent reply other threads:[~2008-09-15 8:51 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-07 22:55 UDMA with CS5530 using IBM Netvista N2200 (8363) Antonio Cardoso Martins
2008-09-08 8:43 ` Alan Cox
2008-09-09 0:03 ` Antonio Cardoso Martins
2008-09-09 2:23 ` Mark Lord
2008-09-09 10:58 ` Alan Cox
2008-09-09 10:52 ` Alan Cox
2008-09-09 23:13 ` Antonio Cardoso Martins
2008-09-10 8:38 ` Alan Cox
2008-09-10 13:14 ` Antonio Martins
2008-09-10 13:55 ` Alan Cox
2008-09-10 14:55 ` Sergei Shtylyov
2008-09-15 8:49 ` Tejun Heo [this message]
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