Messages in this thread Patch in this message | | | From | Peter Ujfalusi <> | Subject | [RFC v02 08/15] ARM: davinci: dm644x: Add dma_filter_map to edma | Date | Mon, 30 Nov 2015 15:45:38 +0200 |
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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@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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