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| author | Prabu Thangamuthu <Prabu.T@synopsys.com> | 2014-10-20 07:12:33 +0000 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-11-26 14:30:50 +0100 |
| commit | 69d99fdcfd7815dfb2318f0777a46181d5bf42dc (patch) | |
| tree | 1e9c2cf01589da8fe2593c176d91fa7760a078ce /include/linux/mmc | |
| parent | e765bfa22a8f06f0964a97e3e81148511d75140a (diff) | |
| download | linux-rpi3-69d99fdcfd7815dfb2318f0777a46181d5bf42dc.tar.gz linux-rpi3-69d99fdcfd7815dfb2318f0777a46181d5bf42dc.tar.bz2 linux-rpi3-69d99fdcfd7815dfb2318f0777a46181d5bf42dc.zip | |
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.h | 2 |
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; |