From: Robert Hancock <hancockr@shaw.ca>
To: linux-ide@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ide: Fix ata_id_has_dword_io to return DWORD I/O support properly
Date: Fri, 19 Dec 2008 19:58:03 -0600 [thread overview]
Message-ID: <494C512B.6090304@shaw.ca> (raw)
In-Reply-To: <20081218181015.2e160d5c@lxorguk.ukuu.org.uk>
Alan Cox wrote:
>> This seems like a risky assumption...
>
> Its wrong on various counts
>
> - ata_id_major_version can't tell early ATA versions apart
> - on anything later than the early ISA IDE paddles (the ones that
> basically were just bus decoders) its invisible to the drive
>
> Except for legacy ISA bus controllers (and even there it is questionable)
> I would favour simply ignoring it.
32-bit IO wouldn't work on any ISA controller, would it? What happens if
you do 32-bit IO port access on something on the ISA bus?
next prev parent reply other threads:[~2008-12-20 1:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <494A5BBF.8000807@inf.tu-dresden.de>
2008-12-18 17:08 ` [PATCH] ide: Fix ata_id_has_dword_io to return DWORD I/O support properly Jeff Garzik
2008-12-18 17:24 ` Sergei Shtylyov
2008-12-18 20:42 ` Bartlomiej Zolnierkiewicz
2008-12-18 22:40 ` Alan Cox
2008-12-18 23:13 ` Bartlomiej Zolnierkiewicz
2008-12-19 10:50 ` Alan Cox
2008-12-19 19:30 ` Bartlomiej Zolnierkiewicz
2008-12-20 0:10 ` Alan Cox
2008-12-19 11:31 ` Sergei Shtylyov
2008-12-19 11:34 ` Sergei Shtylyov
2008-12-18 18:10 ` Alan Cox
2008-12-20 1:58 ` Robert Hancock [this message]
2008-12-20 13:25 ` Sergei Shtylyov
2008-12-22 20:16 ` Sergei Shtylyov
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=494C512B.6090304@shaw.ca \
--to=hancockr@shaw.ca \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@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).