From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Ujfalusi Subject: [PATCH 13/13] ASoC: omap-pcm: Switch to use dma_request_slave_channel_compat_reason() Date: Tue, 26 May 2015 16:26:08 +0300 Message-ID: <1432646768-12532-14-git-send-email-peter.ujfalusi@ti.com> References: <1432646768-12532-1-git-send-email-peter.ujfalusi@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1432646768-12532-1-git-send-email-peter.ujfalusi-l0cyMroinI0@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, Mark Brown , Jarkko Nikula , Liam Girdwood List-Id: alsa-devel@alsa-project.org dmaengine provides a wrapper function to handle DT and non DT boots when requesting DMA channel. Use that instead of checking for of_node in the platform driver. Signed-off-by: Peter Ujfalusi CC: Mark Brown CC: Jarkko Nikula CC: Liam Girdwood --- sound/soc/omap/omap-pcm.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index 52fd7cbbd1f4..ae04834f4697 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -132,6 +132,7 @@ static int omap_pcm_open(struct snd_pcm_substream *substream) struct snd_dmaengine_dai_dma_data *dma_data; struct dma_slave_caps dma_caps; struct dma_chan *chan; + dma_cap_mask_t mask; u32 addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); @@ -139,12 +140,15 @@ static int omap_pcm_open(struct snd_pcm_substream *substream) dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - if (rtd->cpu_dai->dev->of_node) - chan = dma_request_slave_channel(rtd->cpu_dai->dev, - dma_data->filter_data); - else - chan = snd_dmaengine_pcm_request_channel(omap_dma_filter_fn, - dma_data->filter_data); + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + dma_cap_set(DMA_CYCLIC, mask); + chan = dma_request_slave_channel_compat_reason(mask, omap_dma_filter_fn, + dma_data->filter_data, rtd->cpu_dai->dev, + dma_data->filter_data); + + if (IS_ERR(chan)) + return PTR_ERR(chan); if (!dma_get_slave_caps(chan, &dma_caps)) { if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) -- 2.3.5 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html