From: marek.vasut@gmail.com (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] PXA DMA-capable PATA driver
Date: Thu, 20 May 2010 12:28:42 +0200 [thread overview]
Message-ID: <201005201228.42325.marek.vasut@gmail.com> (raw)
In-Reply-To: <4BF4F773.102@gmail.com>
Dne ?t 20. kv?tna 2010 10:48:51 Tejun Heo napsal(a):
> On 05/18/2010 12:53 AM, Marek Vasut wrote:
> > 4766 /**
> > 4767 * atapi_check_dma - Check whether ATAPI DMA can be supported
> > 4768 * @qc: Metadata associated with taskfile to check
> > 4769 *
> > 4770 * Allow low-level driver to filter ATA PACKET commands,
> > returning 4771 * a status indicating whether or not it is OK to
> > use DMA for the 4772 * supplied PACKET command.
> > 4773 *
> > 4774 * LOCKING:
> > 4775 * spin_lock_irqsave(host lock)
> > 4776 *
> > 4777 * RETURNS: 0 when ATAPI DMA can be used
> > 4778 * nonzero otherwise
> > 4779 */
> >
> > this is from libata-core.c FYI and -EOPNOTSUPP is non-zero.
>
> Argh... that method needs to be changed to return bool.
That'd make sense.
prev parent reply other threads:[~2010-05-20 10:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-10 3:02 [PATCH] PXA DMA-capable PATA driver Marek Vasut
2010-05-14 13:51 ` Marek Vasut
2010-05-14 17:42 ` Jeff Garzik
2010-05-14 22:03 ` Jeff Garzik
2010-05-14 22:23 ` Marek Vasut
2010-05-15 20:48 ` Robert Jarzmik
2010-05-16 1:00 ` Marek Vasut
2010-05-17 15:35 ` Robert Jarzmik
2010-05-17 22:53 ` Marek Vasut
2010-05-20 8:48 ` Tejun Heo
2010-05-20 10:28 ` Marek Vasut [this message]
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