From 93d05f1ec644c97535159649de7f8e6731841336 Mon Sep 17 00:00:00 2001 From: Vinod Koul Date: Fri, 2 Sep 2016 15:57:09 +0530 Subject: dmaengine: mmp_tdma: enable COMPILE_TEST To get more coverage, enable COMPILE_TEST for this driver. While at it, to fix build on other archs, select MMP_SRAM only for ARCH_MMP and also fix the platform header Suggested-by: Arnd Bergmann Acked-by: Zhangfei Gao Signed-off-by: Vinod Koul --- include/linux/platform_data/dma-mmp_tdma.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/linux/platform_data') diff --git a/include/linux/platform_data/dma-mmp_tdma.h b/include/linux/platform_data/dma-mmp_tdma.h index 0c72886030ef..422d4504dbac 100644 --- a/include/linux/platform_data/dma-mmp_tdma.h +++ b/include/linux/platform_data/dma-mmp_tdma.h @@ -28,7 +28,7 @@ struct sram_platdata { int granularity; }; -#ifdef CONFIG_ARM +#ifdef CONFIG_MMP_SRAM extern struct gen_pool *sram_get_gpool(char *pool_name); #else static inline struct gen_pool *sram_get_gpool(char *pool_name) -- cgit v1.2.3 From 34681d84a0f7cc22ded1413dc79eef8a2f23d9c3 Mon Sep 17 00:00:00 2001 From: Sam Van Den Berge Date: Thu, 22 Sep 2016 20:51:15 +0200 Subject: dmaengine: s3c24xx: Add dma_slave_map for s3c2440 devices This patch updates the s3c24xx dma driver to be able to pass a dma_slave_map array via the platform data. This is needed to be able to use the new, simpler dmaengine API [1]. I used the virtual DMA channels as a parameter for the dma_filter function. By doing that, I could reuse the existing filter function in drivers/dma/s3c24xx-dma.c. I have tested this on my mini2440 board with the audio driver. According to my observations, dma_request_slave_channel in the function dmaengine_pcm_new in the file sound/soc/soc-generic-dmaengine-pcm.c now returns a valid DMA channel whereas before no DMA channel was returned at that point. Entries for DMACH_XD0, DMACH_XD1 and DMACH_TIMER are missing because I don't realy know which driver to use for these. [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-December/393635.html Signed-off-by: Sam Van Den Berge Reviewed-by: Sylwester Nawrocki Acked-by: Arnd Bergmann Acked-by: Krzysztof Kozlowski Signed-off-by: Vinod Koul --- include/linux/platform_data/dma-s3c24xx.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux/platform_data') diff --git a/include/linux/platform_data/dma-s3c24xx.h b/include/linux/platform_data/dma-s3c24xx.h index 89ba1b0c90e4..4f9aba405e96 100644 --- a/include/linux/platform_data/dma-s3c24xx.h +++ b/include/linux/platform_data/dma-s3c24xx.h @@ -30,16 +30,22 @@ struct s3c24xx_dma_channel { u16 chansel; }; +struct dma_slave_map; + /** * struct s3c24xx_dma_platdata - platform specific settings * @num_phy_channels: number of physical channels * @channels: array of virtual channel descriptions * @num_channels: number of virtual channels + * @slave_map: dma slave map matching table + * @slavecnt: number of elements in slave_map */ struct s3c24xx_dma_platdata { int num_phy_channels; struct s3c24xx_dma_channel *channels; int num_channels; + const struct dma_slave_map *slave_map; + int slavecnt; }; struct dma_chan; -- cgit v1.2.3