diff options
| author | Vinod Koul <vinod.koul@intel.com> | 2013-06-12 13:39:57 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2013-07-05 11:40:46 +0530 |
| commit | e368b510c01aaf7b2957306836ffdeacc24712a3 (patch) | |
| tree | 634a8da8326eae909bbf66fd256c1e71ff74a3f5 /drivers/dma/dw | |
| parent | fed42c198b45ece0b37eb25d37cbc4a9959c6522 (diff) | |
| download | blackbird-op-linux-e368b510c01aaf7b2957306836ffdeacc24712a3.tar.gz blackbird-op-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')
| -rw-r--r-- | drivers/dma/dw/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/dma/dw/regs.h | 6 |
2 files changed, 8 insertions, 9 deletions
diff --git a/drivers/dma/dw/Kconfig b/drivers/dma/dw/Kconfig index db2b41fab626..dde13248b681 100644 --- a/drivers/dma/dw/Kconfig +++ b/drivers/dma/dw/Kconfig @@ -10,6 +10,7 @@ config DW_DMAC_CORE config DW_DMAC tristate "Synopsys DesignWare AHB DMA platform driver" select DW_DMAC_CORE + select DW_DMAC_BIG_ENDIAN_IO if AVR32 default y if CPU_AT32AP7000 help Support the Synopsys DesignWare AHB DMA controller. This @@ -25,12 +26,4 @@ config DW_DMAC_PCI Intel Medfield has integrated this GPDMA controller. config DW_DMAC_BIG_ENDIAN_IO - bool "Use big endian I/O register access" - default y if AVR32 - depends on DW_DMAC_CORE - help - Say yes here to use 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. - - If unsure, use the default setting. + bool 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 |
