diff options
author | Krzysztof Kozlowski <krzk@kernel.org> | 2017-04-11 21:08:34 +0300 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-04-21 15:30:44 +0300 |
commit | ed067d4a859ff696373324c5061392e013a7561a (patch) | |
tree | ad38c59cb06b548f56d1bbc38845a39b9091a056 /drivers/gpu/drm/udl | |
parent | 7e207d8550644c1076ceb070f40abf52701253ec (diff) | |
download | linux-ed067d4a859ff696373324c5061392e013a7561a.tar.xz |
linux/kernel.h: Add ALIGN_DOWN macro
Few parts of kernel define their own macro for aligning down so provide
a common define for this, with the same usage and assumptions as existing
ALIGN.
Convert also three existing implementations to this one.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/gpu/drm/udl')
-rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 8e8d60e9a1a2..b1f0d523dff9 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -37,7 +37,7 @@ struct udl_fbdev { }; #define DL_ALIGN_UP(x, a) ALIGN(x, a) -#define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a) +#define DL_ALIGN_DOWN(x, a) ALIGN_DOWN(x, a) /** Read the red component (0..255) of a 32 bpp colour. */ #define DLO_RGB_GETRED(col) (uint8_t)((col) & 0xFF) |