From: Jeff Garzik <jeff@garzik.org>
To: Tejun Heo <htejun@gmail.com>
Cc: linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: implement and use DMA mask configuration helper
Date: Fri, 09 Mar 2007 07:41:07 -0500 [thread overview]
Message-ID: <45F155E3.9040604@garzik.org> (raw)
In-Reply-To: <20070309104945.GG32687@htj.dyndns.org>
Tejun Heo wrote:
> Implement and use DMA mask configuration helper.
>
> Signed-off-by: Tejun Heo <htejun@gmail.com>
> ---
> This function probably belongs to pci layer. Put it in libata with
> pci_test_bits() for the time being.
AFAIK the default DMA mask is always 32-bit. Code (often written by me)
that sets it to a 32-bit mask was just paranoia, and not really needed.
Hence, the pci_go_64() function I added, found in #upstream.
Jeff
next prev parent reply other threads:[~2007-03-09 12:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-09 10:49 [PATCH] libata: implement and use DMA mask configuration helper Tejun Heo
2007-03-09 12:41 ` Jeff Garzik [this message]
2007-03-09 13:03 ` Tejun Heo
2007-03-18 14:48 ` Tejun Heo
2007-03-18 17:47 ` Jeff Garzik
2007-03-18 17:54 ` Tejun Heo
2007-04-09 7:35 ` Tejun Heo
2007-04-09 8:47 ` Jeff Garzik
2007-04-09 9:20 ` Tejun Heo
2007-03-09 12:51 ` Alan Cox
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