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authorIngo Molnar <mingo@kernel.org>2012-08-28 18:05:55 +0200
committerIngo Molnar <mingo@kernel.org>2012-08-28 18:05:55 +0200
commit508dc4f8eece1a70c493afc6511fdf5934fef567 (patch)
treeb852a6a5bf9977a33a87158985de02d188ba71d7 /drivers/regulator/anatop-regulator.c
parentMerge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
parentperf/x86: Fix microcode revision check for SNB-PEBS (diff)
downloadlinux-508dc4f8eece1a70c493afc6511fdf5934fef567.tar.xz
linux-508dc4f8eece1a70c493afc6511fdf5934fef567.zip
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes because upcoming uprobes changes will rely on it. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/regulator/anatop-regulator.c')
-rw-r--r--drivers/regulator/anatop-regulator.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index e9c2085f9dfb..ce0fe72a428e 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -64,14 +64,15 @@ static int anatop_set_voltage_sel(struct regulator_dev *reg, unsigned selector)
static int anatop_get_voltage_sel(struct regulator_dev *reg)
{
struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
- u32 val;
+ u32 val, mask;
if (!anatop_reg->control_reg)
return -ENOTSUPP;
val = anatop_read_reg(anatop_reg->mfd, anatop_reg->control_reg);
- val = (val & ((1 << anatop_reg->vol_bit_width) - 1)) >>
+ mask = ((1 << anatop_reg->vol_bit_width) - 1) <<
anatop_reg->vol_bit_shift;
+ val = (val & mask) >> anatop_reg->vol_bit_shift;
return val - anatop_reg->min_bit_val;
}