From: Jeff Garzik <jeff@garzik.org>
To: Paul Mundt <lethal@linux-sh.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxsh-dev@lists.sourceforge.net
Subject: Re: [PATCH 1/2 take #2] libata: Support PIO polling-only hosts.
Date: Thu, 8 Nov 2007 13:14:28 -0500 [thread overview]
Message-ID: <20071108181428.GF3491@havoc.gtf.org> (raw)
In-Reply-To: <20071108021456.GA30648@linux-sh.org>
On Thu, Nov 08, 2007 at 11:14:56AM +0900, Paul Mundt wrote:
> By default ata_host_activate() expects a valid IRQ in order to
> successfully register the host. This patch enables a special case
> for registering polling-only hosts that either don't have IRQs
> or have buggy IRQ generation (either in terms of handling or
> sensing), which otherwise work fine.
>
> Hosts that want to use polling mode can simply set ATA_FLAG_PIO_POLLING
> and pass in an invalid IRQ.
>
> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
>
applied 1-2
prev parent reply other threads:[~2007-11-08 18:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-08 2:14 Paul Mundt
2007-11-08 2:15 ` [PATCH 2/2 take #2] libata: pata_platform: Support polling-mode configuration Paul Mundt
2007-11-08 10:52 ` [PATCH 1/2 take #2] libata: Support PIO polling-only hosts Alan Cox
2007-11-08 18:14 ` Jeff Garzik [this message]
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