From: zonque@gmail.com (Daniel Mack)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 4/5] dma: mmp_pdma: add support for residue reporting
Date: Tue, 10 Sep 2013 17:46:37 +0200 [thread overview]
Message-ID: <522F3EDD.20100@gmail.com> (raw)
In-Reply-To: <20130825180801.GY6617@n2100.arm.linux.org.uk>
On 25.08.2013 20:08, Russell King - ARM Linux wrote:
> On Wed, Aug 21, 2013 at 02:08:57PM +0200, Daniel Mack wrote:
>> @@ -750,6 +822,7 @@ static enum dma_status mmp_pdma_tx_status(struct dma_chan *dchan,
>>
>> spin_lock_irqsave(&chan->desc_lock, flags);
>> ret = dma_cookie_status(dchan, cookie, txstate);
>> + txstate->residue = mmp_pdma_residue(chan, cookie);
>
> Please consider using dma_set_residue() here - it is legal to call the
> tx status function with a NULL txstate.
>
Will do. Thanks for the hint.
Daniel
next prev parent reply other threads:[~2013-09-10 15:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-21 12:08 [PATCH v5 0/5] dma: pdma: cyclic, residue, DMA_PRIVATE Daniel Mack
2013-08-21 12:08 ` [PATCH v5 1/5] dma: mmp_pdma: only complete one transaction from dma_do_tasklet() Daniel Mack
2013-08-21 12:08 ` [PATCH v5 2/5] dma: mmp_pdma: don't clear DCMD_ENDIRQEN at end of pending chain Daniel Mack
2013-08-21 12:08 ` [PATCH v5 3/5] dma: mmp_pdma: add support for cyclic DMA descriptors Daniel Mack
2013-08-21 12:08 ` [PATCH v5 4/5] dma: mmp_pdma: add support for residue reporting Daniel Mack
2013-08-25 16:33 ` Vinod Koul
2013-09-10 15:46 ` Daniel Mack
2013-09-13 4:51 ` Vinod Koul
2013-12-09 19:00 ` Daniel Mack
2013-12-10 16:11 ` Vinod Koul
2013-12-11 15:09 ` Daniel Mack
2013-08-25 18:08 ` Russell King - ARM Linux
2013-09-10 15:46 ` Daniel Mack [this message]
2013-08-21 12:08 ` [PATCH v5 5/5] dma: mmp_pdma: set DMA_PRIVATE Daniel Mack
2013-08-25 16:35 ` [PATCH v5 0/5] dma: pdma: cyclic, residue, DMA_PRIVATE Vinod Koul
2013-08-26 9:22 ` Daniel Mack
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