diff options
| author | Tomasz Figa <tomasz.figa@gmail.com> | 2013-10-16 19:10:54 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-11-24 14:38:24 (GMT) |
| commit | 1db0287ab186637488e51ae43109692624f2d5a3 (patch) | |
| tree | 13a3fa95b54b8f9b1e56125a5d369cd3d9fb37c5 /arch/arm/plat-samsung/dma-ops.c | |
| parent | 1b49f10c69b45a8b169c69eaa127e7f91a32f7c7 (diff) | |
| download | linux-1db0287ab186637488e51ae43109692624f2d5a3.tar.xz | |
ARM: s3c64xx: Add support for DMA using generic amba-pl08x driver
This patch adds all required platform-specific data and initialization
code to support the generic amba-pl08x driver on S3C64xx SoCs.
Also some compatibility definitions are added to make the transition
from legacy API to DMA engine easier. The biggest hack here is passing
const char * pointers through DMA resource, casted to unsigned long,
but this is how Samsung DMA wrappers (used to support both s3c-dma and
DMA engine in drivers) are designed.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'arch/arm/plat-samsung/dma-ops.c')
| -rw-r--r-- | arch/arm/plat-samsung/dma-ops.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c index ec0d731..886326e 100644 --- a/arch/arm/plat-samsung/dma-ops.c +++ b/arch/arm/plat-samsung/dma-ops.c @@ -18,6 +18,12 @@ #include <mach/dma.h> +#if defined(CONFIG_PL330_DMA) +#define dma_filter pl330_filter +#elif defined(CONFIG_S3C64XX_PL080) +#define dma_filter pl08x_filter_id +#endif + static unsigned samsung_dmadev_request(enum dma_ch dma_ch, struct samsung_dma_req *param, struct device *dev, char *ch_name) @@ -30,7 +36,7 @@ static unsigned samsung_dmadev_request(enum dma_ch dma_ch, if (dev->of_node) return (unsigned)dma_request_slave_channel(dev, ch_name); else - return (unsigned)dma_request_channel(mask, pl330_filter, + return (unsigned)dma_request_channel(mask, dma_filter, (void *)dma_ch); } |