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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/mfd/sm501.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/mfd/sm501.c')
-rw-r--r--drivers/mfd/sm501.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index f4d86117f44a..d927dd49acb3 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -387,14 +387,6 @@ int sm501_unit_power(struct device *dev, unsigned int unit, unsigned int to)
EXPORT_SYMBOL_GPL(sm501_unit_power);
-
-/* Perform a rounded division. */
-static long sm501fb_round_div(long num, long denom)
-{
- /* n / d + 1 / 2 = (2n + d) / 2d */
- return (2 * num + denom) / (2 * denom);
-}
-
/* clock value structure. */
struct sm501_clock {
unsigned long mclk;
@@ -428,7 +420,7 @@ static int sm501_calc_clock(unsigned long freq,
/* try all 8 shift values.*/
for (shift = 0; shift < 8; shift++) {
/* Calculate difference to requested clock */
- diff = sm501fb_round_div(mclk, divider << shift) - freq;
+ diff = DIV_ROUND_CLOSEST(mclk, divider << shift) - freq;
if (diff < 0)
diff = -diff;