Provide the dma_filter_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: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
arch/arm/mach-davinci/dm355.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 609950b8c191..ee7656fa0c52 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -13,6 +13,7 @@
#include <linux/serial_8250.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
#include <linux/spi/spi.h>
#include <linux/platform_data/edma.h>
#include <linux/platform_data/gpio-davinci.h>
@@ -576,9 +577,28 @@ static s8 queue_priority_mapping[][2] = {
{-1, -1},
};
+static const struct dma_filter_map da355_edma_map[] = {
+ { "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 2) },
+ { "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 3) },
+ { "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 8) },
+ { "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 9) },
+ { "spi_davinci.2", "tx", EDMA_FILTER_PARAM(0, 10) },
+ { "spi_davinci.2", "rx", EDMA_FILTER_PARAM(0, 11) },
+ { "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 14) },
+ { "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 15) },
+ { "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 16) },
+ { "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 17) },
+ { "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
+ { "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
+ { "dm6441-mmc.1", "rx", EDMA_FILTER_PARAM(0, 30) },
+ { "dm6441-mmc.1", "tx", EDMA_FILTER_PARAM(0, 31) },
+};
+
static struct edma_soc_info dm355_edma_pdata = {
.queue_priority_mapping = queue_priority_mapping,
.default_queue = EVENTQ_1,
+ .slave_map = da355_edma_map,
+ .slavecnt = ARRAY_SIZE(da355_edma_map),
};
static struct resource edma_resources[] = {
--
2.6.3
--
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