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authorTakashi Iwai <tiwai@suse.de>2022-04-13 11:43:03 +0300
committerTakashi Iwai <tiwai@suse.de>2022-04-13 11:43:28 +0300
commit651a88798412e216f337d70181127e847f00a4b7 (patch)
tree5fefb107fa9b3fa74dcc3e7ce410c5a1d571549d /include/linux/math64.h
parent1b6a6fc5280e97559287b61eade2d4b363e836f2 (diff)
parentbb06c203f86766fc2c37cbce0e20e9daae786f6e (diff)
downloadlinux-651a88798412e216f337d70181127e847f00a4b7.tar.xz
Merge branch 'topic/cs35l41' into for-next
Pull CS35L41 codec updates Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/math64.h')
-rw-r--r--include/linux/math64.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/math64.h b/include/linux/math64.h
index 2928f03d6d46..a14f40de1dca 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -301,6 +301,19 @@ u64 mul_u64_u64_div_u64(u64 a, u64 mul, u64 div);
({ u64 _tmp = (divisor); div64_u64((dividend) + _tmp / 2, _tmp); })
/*
+ * DIV_U64_ROUND_CLOSEST - unsigned 64bit divide with 32bit divisor rounded to nearest integer
+ * @dividend: unsigned 64bit dividend
+ * @divisor: unsigned 32bit divisor
+ *
+ * Divide unsigned 64bit dividend by unsigned 32bit divisor
+ * and round to closest integer.
+ *
+ * Return: dividend / divisor rounded to nearest integer
+ */
+#define DIV_U64_ROUND_CLOSEST(dividend, divisor) \
+ ({ u32 _tmp = (divisor); div_u64((u64)(dividend) + _tmp / 2, _tmp); })
+
+/*
* DIV_S64_ROUND_CLOSEST - signed 64bit divide with 32bit divisor rounded to nearest integer
* @dividend: signed 64bit dividend
* @divisor: signed 32bit divisor