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| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2010-08-09 12:08:18 +0000 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-09-22 14:53:45 -0700 |
| commit | 3ae0267fd569c2007235fb80cfe3b4a4c54c8f4b (patch) | |
| tree | 1d300eead20bff1737b3e79c48ee0bd0640ea0dd /drivers/dma/ste_dma40_ll.h | |
| parent | 0246e77b4d374bb37aa08c3fcadad20012e85ea0 (diff) | |
| download | linux-stable-3ae0267fd569c2007235fb80cfe3b4a4c54c8f4b.tar.gz linux-stable-3ae0267fd569c2007235fb80cfe3b4a4c54c8f4b.tar.bz2 linux-stable-3ae0267fd569c2007235fb80cfe3b4a4c54c8f4b.zip | |
DMAENGINE: ste_dma40: removed a few magic numbers
Make sure to extract the revision field explicitly and document
what bits are being accessed here without magic numbers.
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 0c468c310c18..7a6acecfccd5 100644 --- a/drivers/dma/ste_dma40_ll.h +++ b/drivers/dma/ste_dma40_ll.h @@ -163,6 +163,9 @@ #define D40_DREG_PERIPHID0 0xFE0 #define D40_DREG_PERIPHID1 0xFE4 #define D40_DREG_PERIPHID2 0xFE8 +#define D40_DREG_PERIPHID2_REV_POS 4 +#define D40_DREG_PERIPHID2_REV_MASK (0xf << D40_DREG_PERIPHID2_REV_POS) +#define D40_DREG_PERIPHID2_DESIGNER_MASK 0xf #define D40_DREG_PERIPHID3 0xFEC #define D40_DREG_CELLID0 0xFF0 #define D40_DREG_CELLID1 0xFF4 |