diff options
| author | Nicolas Ferre <nicolas.ferre@atmel.com> | 2011-10-17 16:56:40 +0400 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2011-11-10 12:43:33 +0400 |
| commit | 67348450b86cb1b42aa4dd55cf7cde19c2e53461 (patch) | |
| tree | 85bae4e8095d9cf41f539f401d179dcc9fde35b8 /drivers/dma/at_hdmac_regs.h | |
| parent | 1ea6b8f48918282bdca0b32a34095504ee65bab5 (diff) | |
| download | linux-67348450b86cb1b42aa4dd55cf7cde19c2e53461.tar.xz | |
dmaengine: at_hdmac: platform data move to use .id_table
We remove the use of platform data from DMA controller driver.
We now use of .id_table to distinguish between compatible
types. The two implementations allow to determine the
number of channels and the capabilities of the controller.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/at_hdmac_regs.h')
| -rw-r--r-- | drivers/dma/at_hdmac_regs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index aa4c9aebab7c..d7d67372e4ff 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -248,9 +248,16 @@ static inline struct at_dma_chan *to_at_dma_chan(struct dma_chan *dchan) /*-- Controller ------------------------------------------------------*/ +enum atdma_devtype { + ATDMA_DEVTYPE_UNDEFINED = 0, + ATDMA_DEVTYPE_SAM9RL, /* compatible with SAM9RL DMA controller */ + ATDMA_DEVTYPE_SAM9G45, /* compatible with SAM9G45 DMA controller */ +}; + /** * struct at_dma - internal representation of an Atmel HDMA Controller * @chan_common: common dmaengine dma_device object members + * @atdma_devtype: identifier of DMA controller compatibility * @ch_regs: memory mapped register base * @clk: dma controller clock * @save_imr: interrupt mask register that is saved on suspend/resume cycle @@ -260,6 +267,7 @@ static inline struct at_dma_chan *to_at_dma_chan(struct dma_chan *dchan) */ struct at_dma { struct dma_device dma_common; + enum atdma_devtype devtype; void __iomem *regs; struct clk *clk; u32 save_imr; |