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| author | Takashi Iwai <tiwai@suse.de> | 2009-06-05 17:40:04 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-06-05 17:45:17 +0200 |
| commit | 3f7440a6b771169e1f11fa582e53a4259b682809 (patch) | |
| tree | 4d91c07abf4269de4f681b821b594f5ad3d4f79a /sound/core | |
| parent | 3218911f839b6c85acbf872ad264ea69aa4d89ad (diff) | |
| download | lwn-3f7440a6b771169e1f11fa582e53a4259b682809.tar.gz lwn-3f7440a6b771169e1f11fa582e53a4259b682809.zip | |
ALSA: Clean up 64bit division functions
Replace the house-made div64_32() with the standard div_u64*() functions.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/oss/pcm_oss.c | 5 | ||||
| -rw-r--r-- | sound/core/pcm_lib.c | 3 |
2 files changed, 4 insertions, 4 deletions
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index dda000b9684c..dbe406b82591 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -31,6 +31,7 @@ #include <linux/time.h> #include <linux/vmalloc.h> #include <linux/moduleparam.h> +#include <linux/math64.h> #include <linux/string.h> #include <sound/core.h> #include <sound/minors.h> @@ -617,9 +618,7 @@ static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames) #else { u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes; - u32 rem; - div64_32(&bsize, buffer_size, &rem); - return (long)bsize; + return div_u64(bsize, buffer_size); } #endif } diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index d659995ac3ac..a7482874c451 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -22,6 +22,7 @@ #include <linux/slab.h> #include <linux/time.h> +#include <linux/math64.h> #include <sound/core.h> #include <sound/control.h> #include <sound/info.h> @@ -452,7 +453,7 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b, *r = 0; return UINT_MAX; } - div64_32(&n, c, r); + n = div_u64_rem(n, c, r); if (n >= UINT_MAX) { *r = 0; return UINT_MAX; |