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| author | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-07 23:49:35 (GMT) |
| commit | 62b8c978ee6b8d135d9e7953221de58000dba986 (patch) | |
| tree | 683b04b2e627f6710c22c151b23c8cc9a165315e /drivers/edac/amd64_edac.h | |
| parent | 78fd82238d0e5716578c326404184a27ba67fd6e (diff) | |
| download | linux-fsl-qoriq-62b8c978ee6b8d135d9e7953221de58000dba986.tar.xz | |
Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12
Diffstat (limited to 'drivers/edac/amd64_edac.h')
| -rw-r--r-- | drivers/edac/amd64_edac.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index 6dc1fcc..d2443cf 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -160,6 +160,14 @@ #define OFF false /* + * Create a contiguous bitmask starting at bit position @lo and ending at + * position @hi. For example + * + * GENMASK(21, 39) gives us the 64bit vector 0x000000ffffe00000. + */ +#define GENMASK(lo, hi) (((1ULL << ((hi) - (lo) + 1)) - 1) << (lo)) + +/* * PCI-defined configuration space registers */ #define PCI_DEVICE_ID_AMD_15H_M30H_NB_F1 0x141b |