From: Tejun Heo <htejun@gmail.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: linux-ide@vger.kernel.org
Subject: Re: [PATCH] libata: implement and use DMA mask configuration helper
Date: Fri, 09 Mar 2007 22:03:34 +0900 [thread overview]
Message-ID: <45F15B26.3030006@gmail.com> (raw)
In-Reply-To: <45F155E3.9040604@garzik.org>
Jeff Garzik wrote:
> 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.
Cool.
--
tejun
next prev parent reply other threads:[~2007-03-09 13:03 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
2007-03-09 13:03 ` Tejun Heo [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=45F15B26.3030006@gmail.com \
--to=htejun@gmail.com \
--cc=jeff@garzik.org \
--cc=linux-ide@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).