From: peter.ujfalusi@ti.com (Peter Ujfalusi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 01/15] dmaengine: omap: Support for element mode in cyclic DMA
Date: Thu, 13 Sep 2012 16:37:51 +0300 [thread overview]
Message-ID: <1347543485-339-2-git-send-email-peter.ujfalusi@ti.com> (raw)
In-Reply-To: <1347543485-339-1-git-send-email-peter.ujfalusi@ti.com>
When src_maxburst/dst_maxburst is set to 0 by the users of cyclic DMA
(mostly audio) indicates that we should configure the omap DMA to element
sync mode instead of packet mode.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
CC: Russell King <rmk+kernel@arm.linux.org.uk>
---
drivers/dma/omap-dma.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index ae05618..b77a40d 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -413,7 +413,10 @@ static struct dma_async_tx_descriptor *omap_dma_prep_dma_cyclic(
d->dev_addr = dev_addr;
d->fi = burst;
d->es = es;
- d->sync_mode = OMAP_DMA_SYNC_PACKET;
+ if (burst)
+ d->sync_mode = OMAP_DMA_SYNC_PACKET;
+ else
+ d->sync_mode = OMAP_DMA_SYNC_ELEMENT;
d->sync_type = sync_type;
d->periph_port = OMAP_DMA_PORT_MPUI;
d->sg[0].addr = buf_addr;
--
1.7.12
next prev parent reply other threads:[~2012-09-13 13:37 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-13 13:37 [PATCH v2 00/15] ASoC: OMAP: Convert to use dmaengine Peter Ujfalusi
2012-09-13 13:37 ` Peter Ujfalusi [this message]
2012-09-13 13:37 ` [PATCH v2 02/15] dmaengine: omap: Add support for pause/resume in cyclic dma mode Peter Ujfalusi
2012-09-13 13:37 ` [PATCH v2 03/15] dmaengine: Add no_wakeup parameter to dmaengine_prep_dma_cyclic() Peter Ujfalusi
2012-09-13 15:27 ` Lars-Peter Clausen
2012-09-13 15:38 ` Russell King - ARM Linux
2012-09-14 3:27 ` Vinod Koul
2012-09-14 7:15 ` Peter Ujfalusi
2012-09-14 3:26 ` Vinod Koul
2012-09-14 7:18 ` [alsa-devel] " Peter Ujfalusi
2012-09-14 8:13 ` Lars-Peter Clausen
2012-09-14 8:50 ` Vinod Koul
2012-09-14 9:28 ` Peter Ujfalusi
2012-09-14 9:38 ` Vinod Koul
2012-09-14 10:01 ` Russell King - ARM Linux
2012-09-14 7:12 ` Peter Ujfalusi
2012-09-13 13:37 ` [PATCH v2 04/15] dmaengine: Pass no_wakeup parameter via device_prep_dma_cyclic() callback Peter Ujfalusi
2012-09-14 3:24 ` Vinod Koul
2012-09-14 7:07 ` Peter Ujfalusi
2012-09-17 6:34 ` Shawn Guo
2012-09-17 7:16 ` Peter Ujfalusi
2012-09-17 7:23 ` Shawn Guo
2012-09-17 9:01 ` Linus Walleij
2012-09-18 8:31 ` Russell King - ARM Linux
2012-09-18 9:00 ` Vinod Koul
2012-09-18 12:22 ` Linus Walleij
2012-09-13 13:37 ` [PATCH v2 05/15] dmaengine: omap-dma: Add support for no_wakeup in cyclic mode Peter Ujfalusi
2012-09-13 13:37 ` [PATCH v2 06/15] ASoC: omap-mcbsp: Use sDMA packet mode instead of frame mode Peter Ujfalusi
2012-09-13 13:37 ` [PATCH v2 07/15] ASoC: omap-pcm: Select sDMA synchronization based on packet_size Peter Ujfalusi
2012-09-13 13:37 ` [PATCH v2 08/15] ASoC: OMAP: Remove sync_mode from omap_pcm_dma_data struct Peter Ujfalusi
2012-09-13 13:37 ` [PATCH v2 09/15] ASoC: omap-pcm: Prepare to configure the DMA data_type based on stream properties Peter Ujfalusi
2012-09-13 13:38 ` [PATCH v2 10/15] ARM: OMAP4: hwmod_data: Add resource names to McPDM memory ranges Peter Ujfalusi
2012-09-13 13:38 ` [PATCH v2 11/15] ASoC: omap-mcpdm: Use platform_get_resource_* to get resources Peter Ujfalusi
2012-09-13 13:38 ` [PATCH v2 12/15] ASoC: OMAP: mcbsp, mcpdm, dmic: Let omap-pcm to pick the dma_type Peter Ujfalusi
2012-09-13 13:38 ` [PATCH v2 13/15] ASoC: omap-pcm, omap-dmic: Change the use of omap_pcm_dma_data->data_type Peter Ujfalusi
2012-09-13 13:38 ` [PATCH v2 14/15] ASoC: OMAP: mcbsp, mcpdm, dmic, hdmi: Set dma_data at startup time Peter Ujfalusi
2012-09-13 13:38 ` [PATCH v2 15/15] ASoC: omap-pcm: Convert to use dmaengine Peter Ujfalusi
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