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authorPrabu Thangamuthu <Prabu.T@synopsys.com>2014-10-20 07:12:33 +0000
committerUlf Hansson <ulf.hansson@linaro.org>2014-11-26 14:30:50 +0100
commit69d99fdcfd7815dfb2318f0777a46181d5bf42dc (patch)
tree1e9c2cf01589da8fe2593c176d91fa7760a078ce /include/linux/mmc
parente765bfa22a8f06f0964a97e3e81148511d75140a (diff)
mmc: dw_mmc: Add IDMAC 64-bit address mode support
Synopsys DW_MMC IP core supports Internal DMA Controller with 64-bit address mode from IP version 2.70a onwards. Updated the driver to support IDMAC 64-bit addressing mode. Signed-off-by: Prabu Thangamuthu <prabu.t@synopsys.com> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/dw_mmc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 69d08144cfad..0a551152d600 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -54,6 +54,7 @@ struct mmc_data;
* transfer is in progress.
* @use_dma: Whether DMA channel is initialized or not.
* @using_dma: Whether DMA is in use for the current transfer.
+ * @dma_64bit_address: Whether DMA supports 64-bit address mode or not.
* @sg_dma: Bus address of DMA buffer.
* @sg_cpu: Virtual address of DMA buffer.
* @dma_ops: Pointer to platform-specific DMA callbacks.
@@ -139,6 +140,7 @@ struct dw_mci {
/* DMA interface members*/
int use_dma;
int using_dma;
+ int dma_64bit_address;
dma_addr_t sg_dma;
void *sg_cpu;