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Commit 2137d54d authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Sekhar Nori
Browse files

ARM: davinci: dm646x: Add dma_slave_map to edma 



Provide the dma_slave_map to edma which will allow us to move the drivers
to the new, simpler dmaengine API and we can remove the DMA resources also
for the devices.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
[nsekhar@ti.com: fix typos in code]
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
parent a4f86c55

arch/arm/mach-davinci/dm646x.c

+11 −0
Original line number Original line Diff line number Diff line
@@ -9,6 +9,7 @@ 
 * or implied.

 * or implied.

 */

 */

#include <linux/dma-mapping.h>

#include <linux/dma-mapping.h>

#include <linux/dmaengine.h>

#include <linux/init.h>

#include <linux/init.h>

#include <linux/clk.h>

#include <linux/clk.h>

#include <linux/serial_8250.h>

#include <linux/serial_8250.h>
@@ -540,9 +541,19 @@ static s8 dm646x_queue_priority_mapping[][2] = { 
	{-1, -1},

	{-1, -1},

};

};





static const struct dma_slave_map dm646x_edma_map[] = {

	{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },

	{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },

	{ "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },

	{ "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },

	{ "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },

};



static struct edma_soc_info dm646x_edma_pdata = {

static struct edma_soc_info dm646x_edma_pdata = {

	.queue_priority_mapping	= dm646x_queue_priority_mapping,

	.queue_priority_mapping	= dm646x_queue_priority_mapping,

	.default_queue		= EVENTQ_1,

	.default_queue		= EVENTQ_1,

	.slave_map		= dm646x_edma_map,

	.slavecnt		= ARRAY_SIZE(dm646x_edma_map),

};

};





static struct resource edma_resources[] = {

static struct resource edma_resources[] = {