From: Tejun Heo <htejun@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jeff Garzik <jeff@garzik.org>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: commit a258f183ee4e48e9352b408e8448467eebdc6cd2
Date: Wed, 02 Jan 2008 23:33:27 +0900 [thread overview]
Message-ID: <477BA0B7.3030509@gmail.com> (raw)
In-Reply-To: <20080102141937.62d49c5e@the-village.bc.nu>
Alan Cox wrote:
> On Wed, 02 Jan 2008 23:24:30 +0900
> Tejun Heo <htejun@gmail.com> wrote:
>
>> Alan Cox wrote:
>>> On Wed, 02 Jan 2008 18:34:38 +0900
>>> Tejun Heo <htejun@gmail.com> wrote:
>>>
>>>> Happy new year, Jeff, Alan.
>>>>
>>>> I'm curious why commit a258f183 got in?
>>> Whats that commit in real code ?
>> The attached one.
>
> Ok I don't see how that is related to the switch to polling. The
> old IDE code found it neccessary and always did polling.
ata_host_intr() is just never traveled while executing SETXFER because
SETXFERs are executed using polling which nicely works around quirky
controllers which raises interrupt a tad bit too early during SETXFER.
--
tejun
next prev parent reply other threads:[~2008-01-02 14:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-02 9:34 commit a258f183ee4e48e9352b408e8448467eebdc6cd2 Tejun Heo
2008-01-02 13:48 ` Alan Cox
2008-01-02 14:24 ` Tejun Heo
2008-01-02 14:19 ` Alan Cox
2008-01-02 14:33 ` Tejun Heo [this message]
2008-01-02 15:18 ` Alan Cox
2008-01-02 15:52 ` Tejun Heo
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