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.ujfal...@ti.com>
---
arch/arm/mach-davinci/dm644x.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index d38f5049d56e..3550488b5bfd 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>
+#include <linux/dmaengine.h>
#include <linux/platform_device.h>
#include <linux/platform_data/edma.h>
#include <linux/platform_data/gpio-davinci.h>
@@ -505,9 +506,20 @@ static s8 queue_priority_mapping[][2] = {
{-1, -1},
};
+static struct dma_filter_map da644x_edma_map[] = {
+ DMA_FILTER_ENTRY("davinci-mcbsp", "tx", EDMA_CTLR_CHAN(0, 2)),
+ DMA_FILTER_ENTRY("davinci-mcbsp", "rx", EDMA_CTLR_CHAN(0, 3)),
+ DMA_FILTER_ENTRY("spi_davinci", "tx", EDMA_CTLR_CHAN(0, 16)),
+ DMA_FILTER_ENTRY("spi_davinci", "rx", EDMA_CTLR_CHAN(0, 17)),
+ DMA_FILTER_ENTRY("dm6441-mmc.0", "rx", EDMA_CTLR_CHAN(0, 26)),
+ DMA_FILTER_ENTRY("dm6441-mmc.0", "tx", EDMA_CTLR_CHAN(0, 27)),
+};
+
static struct edma_soc_info dm644x_edma_pdata = {
.queue_priority_mapping = queue_priority_mapping,
.default_queue = EVENTQ_1,
+ .filter_map = da644x_edma_map,
+ .filtercnt = ARRAY_SIZE(da644x_edma_map),
};
static struct resource edma_resources[] = {
--
2.6.3
--
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