diff options
| author | Vinod Koul <vkoul@kernel.org> | 2020-08-05 19:02:07 +0530 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-08-05 19:02:07 +0530 |
| commit | 0b5ad7b9522e6172342511fac6114fd8b7eb622a (patch) | |
| tree | b6a29560e6364bd98634564181cab54a3b6164a4 /include/linux/platform_data | |
| parent | 87730ccbddcb48478b1b88e88b14e73424130764 (diff) | |
| parent | 6bd0dffa1a6e19e73964ae47c964f57c625cce05 (diff) | |
Merge branch 'for-linus' into fixes
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Conflicts:
drivers/dma/idxd/sysfs.c
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/dma-dw.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h index f3eaf9ec00a1..fbbeb2f6189b 100644 --- a/include/linux/platform_data/dma-dw.h +++ b/include/linux/platform_data/dma-dw.h @@ -8,10 +8,15 @@ #ifndef _PLATFORM_DATA_DMA_DW_H #define _PLATFORM_DATA_DMA_DW_H -#include <linux/device.h> +#include <linux/bits.h> +#include <linux/types.h> #define DW_DMA_MAX_NR_MASTERS 4 #define DW_DMA_MAX_NR_CHANNELS 8 +#define DW_DMA_MIN_BURST 1 +#define DW_DMA_MAX_BURST 256 + +struct device; /** * struct dw_dma_slave - Controller-specific information about a slave @@ -42,6 +47,8 @@ struct dw_dma_slave { * @data_width: Maximum data width supported by hardware per AHB master * (in bytes, power of 2) * @multi_block: Multi block transfers supported by hardware per channel. + * @max_burst: Maximum value of burst transaction size supported by hardware + * per channel (in units of CTL.SRC_TR_WIDTH/CTL.DST_TR_WIDTH). * @protctl: Protection control signals setting per channel. */ struct dw_dma_platform_data { @@ -56,6 +63,7 @@ struct dw_dma_platform_data { unsigned char nr_masters; unsigned char data_width[DW_DMA_MAX_NR_MASTERS]; unsigned char multi_block[DW_DMA_MAX_NR_CHANNELS]; + u32 max_burst[DW_DMA_MAX_NR_CHANNELS]; #define CHAN_PROTCTL_PRIVILEGED BIT(0) #define CHAN_PROTCTL_BUFFERABLE BIT(1) #define CHAN_PROTCTL_CACHEABLE BIT(2) |