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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-01-13 20:08:14 +0300
committerVinod Koul <vinod.koul@intel.com>2015-02-05 09:39:44 +0300
commitd8ded50f8b26a224df48f9f93e49440c6a39b77f (patch)
tree7c7620107180b0a2c3ea77770ef8fb9bccfa8341 /include/linux/platform_data/dma-dw.h
parentcfd8fef322305bbe9955817464f0d2054ce545c0 (diff)
downloadlinux-d8ded50f8b26a224df48f9f93e49440c6a39b77f.tar.xz
dmaengine: dw: define DW_DMA_MAX_NR_MASTERS
Instead of using magic number in the code the patch provides DW_DMA_MAX_NR_MASTERS constant. While here, restrict the reading of data width array by amount of the actual number of AHB masters. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include/linux/platform_data/dma-dw.h')
-rw-r--r--include/linux/platform_data/dma-dw.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h
index 359127d290e7..87ac14c584f2 100644
--- a/include/linux/platform_data/dma-dw.h
+++ b/include/linux/platform_data/dma-dw.h
@@ -13,6 +13,8 @@
#include <linux/device.h>
+#define DW_DMA_MAX_NR_MASTERS 4
+
/**
* struct dw_dma_slave - Controller-specific information about a slave
*
@@ -53,7 +55,7 @@ struct dw_dma_platform_data {
unsigned char chan_priority;
unsigned short block_size;
unsigned char nr_masters;
- unsigned char data_width[4];
+ unsigned char data_width[DW_DMA_MAX_NR_MASTERS];
};
#endif /* _PLATFORM_DATA_DMA_DW_H */