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| author | Linus Walleij <linus.walleij@stericsson.com> | 2010-06-20 21:24:52 +0000 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-06-22 18:01:53 -0700 |
| commit | ef1872ec652b3bc472d6c0995d0b64d5058878ea (patch) | |
| tree | 2de7cbca0012ab6931b8321c922311f70bbb4bb0 /drivers/dma/ste_dma40_ll.h | |
| parent | 941b77a3b6946dd6223a029007f695aa841b6d34 (diff) | |
| download | kernel_samsung_smdk4412-ef1872ec652b3bc472d6c0995d0b64d5058878ea.zip kernel_samsung_smdk4412-ef1872ec652b3bc472d6c0995d0b64d5058878ea.tar.gz kernel_samsung_smdk4412-ef1872ec652b3bc472d6c0995d0b64d5058878ea.tar.bz2 | |
DMAENGINE: ste_dma40: only write phy channel config first time
We only need to write the configuration to a physical channel if
it is free, else it is already written.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ste_dma40_ll.h')
| -rw-r--r-- | drivers/dma/ste_dma40_ll.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/ste_dma40_ll.h b/drivers/dma/ste_dma40_ll.h index 2029280..c081f28 100644 --- a/drivers/dma/ste_dma40_ll.h +++ b/drivers/dma/ste_dma40_ll.h @@ -13,6 +13,9 @@ #define D40_DREG_PCDELTA (8 * 4) #define D40_LLI_ALIGN 16 /* LLI alignment must be 16 bytes. */ +#define D40_LCPA_CHAN_SIZE 32 +#define D40_LCPA_CHAN_DST_DELTA 16 + #define D40_TYPE_TO_GROUP(type) (type / 16) #define D40_TYPE_TO_EVENT(type) (type % 16) |