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Message-ID: <5056CE65.9080401@ti.com>
Date: Mon, 17 Sep 2012 10:16:53 +0300
From: Peter Ujfalusi <peter.ujfalusi@ti.com>
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To: Shawn Guo <shawn.guo@linaro.org>
CC: Mark Brown <broonie@opensource.wolfsonmicro.com>,
        Liam Girdwood <lrg@ti.com>, Tony Lindgren <tony@atomide.com>,
        Russell King <rmk+kernel@arm.linux.org.uk>,
        Vinod Koul <vinod.koul@intel.com>, Dan Williams <djbw@fb.com>,
        Jarkko Nikula <jarkko.nikula@bitmer.com>, alsa-devel@alsa-project.org,
        linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org,
        Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>,
        Ricardo Neri <ricardo.neri@ti.com>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Nicolas Ferre <nicolas.ferre@atmel.com>,
        Barry Song <baohua.song@csr.com>,
        Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>,
        Russell King - ARM Linux <linux@arm.linux.org.uk>,
        Vista Silicon <javier.martin@vista-silicon.com>,
        Zhangfei Gao <zhangfei.gao@marvell.com>,
        Laxman Dewangan <ldewangan@nvidia.com>
Subject: Re: [PATCH v2 04/15] dmaengine: Pass no_wakeup parameter via device_prep_dma_cyclic()
 callback
References: <1347543485-339-1-git-send-email-peter.ujfalusi@ti.com> <1347543485-339-5-git-send-email-peter.ujfalusi@ti.com> <20120917063451.GB6413@S2101-09.ap.freescale.net>
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On 09/17/2012 09:34 AM, Shawn Guo wrote:
> On Thu, Sep 13, 2012 at 04:37:54PM +0300, Peter Ujfalusi wrote:
>> Change the parameter list of device_prep_dma_cyclic() so the DMA drivers
>> can receive the no_wakeup request coming from client drivers.
>> This feature can be used during audio operation to disable all audio
>> related interrupts.
>>
>> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>> CC: Nicolas Ferre <nicolas.ferre@atmel.com>
>> CC: Barry Song <baohua.song@csr.com>
>> CC: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
>> CC: Russell King - ARM Linux <linux@arm.linux.org.uk>
>> CC: Vista Silicon <javier.martin@vista-silicon.com>
>> CC: Zhangfei Gao <zhangfei.gao@marvell.com>
>> CC: Shawn Guo <shawn.guo@linaro.org>
>> CC: Laxman Dewangan <ldewangan@nvidia.com>
>> ---
>>  drivers/dma/at_hdmac.c        | 3 ++-
>>  drivers/dma/ep93xx_dma.c      | 4 +++-
>>  drivers/dma/imx-dma.c         | 2 +-
>>  drivers/dma/imx-sdma.c        | 2 +-
>>  drivers/dma/mmp_tdma.c        | 2 +-
>>  drivers/dma/mxs-dma.c         | 2 +-
>>  drivers/dma/omap-dma.c        | 3 ++-
>>  drivers/dma/pl330.c           | 2 +-
>>  drivers/dma/sa11x0-dma.c      | 2 +-
>>  drivers/dma/sirf-dma.c        | 2 +-
>>  drivers/dma/ste_dma40.c       | 3 ++-
>>  drivers/dma/tegra20-apb-dma.c | 2 +-
>>  include/linux/dmaengine.h     | 5 +++--
>>  13 files changed, 20 insertions(+), 14 deletions(-)
>>
> API changes without updating users?

All users of this callback is updated with this patch.
The public API (dmaengine_prep_dma_cyclic) is only used by ASoC, which has
been updated by the previous patch.
Note: this part has been updated for v3.

-- 
Péter