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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2012-09-21 15:05:47 +0300
committerVinod Koul <vinod.koul@linux.intel.com>2012-09-27 15:35:23 +0530
commit4a63a8b3e8d2e4f56174deb728085010aa3ac2a1 (patch)
tree0c6d4fb4cd88f9c7fff748909e5956ea55793ef0 /drivers/dma/dw_dmac_regs.h
parent482c67ea7bab80b956185a3e7553151820bc5876 (diff)
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dw_dmac: autoconfigure block_size or use platform data
The maximum block size is a configurable parameter for the chip. So, driver will try to get it from the encoded component parameters. Otherwise it will come from the platform data. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/dw_dmac_regs.h')
-rw-r--r--drivers/dma/dw_dmac_regs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/dw_dmac_regs.h b/drivers/dma/dw_dmac_regs.h
index 8a3a81adbf78..2a1cc533f0c8 100644
--- a/drivers/dma/dw_dmac_regs.h
+++ b/drivers/dma/dw_dmac_regs.h
@@ -193,6 +193,9 @@ struct dw_dma_chan {
unsigned int descs_allocated;
+ /* hardware configuration */
+ unsigned int block_size;
+
/* configuration passed via DMA_SLAVE_CONFIG */
struct dma_slave_config dma_sconfig;
};