diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2013-06-12 10:09:57 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2013-07-05 08:10:46 +0200 |
| commit | e368b510c01aaf7b2957306836ffdeacc24712a3 (patch) | |
| tree | 634a8da8326eae909bbf66fd256c1e71ff74a3f5 /drivers/dma/dw/regs.h | |
| parent | dma: dw: add PCI part of the driver (diff) | |
| download | linux-e368b510c01aaf7b2957306836ffdeacc24712a3.tar.xz linux-e368b510c01aaf7b2957306836ffdeacc24712a3.zip | |
dmaengine: dw: select DW_DMAC_BIG_ENDIAN_IO automagically
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/dw/regs.h')
| -rw-r--r-- | drivers/dma/dw/regs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/dw/regs.h b/drivers/dma/dw/regs.h index 07c5a6ecb52b..deb4274f80f4 100644 --- a/drivers/dma/dw/regs.h +++ b/drivers/dma/dw/regs.h @@ -101,6 +101,12 @@ struct dw_dma_regs { u32 DW_PARAMS; }; +/* + * Big endian I/O access when reading and writing to the DMA controller + * registers. This is needed on some platforms, like the Atmel AVR32 + * architecture. + */ + #ifdef CONFIG_DW_DMAC_BIG_ENDIAN_IO #define dma_readl_native ioread32be #define dma_writel_native iowrite32be |