On 04/09/2013 02:15 PM, Axel Lin wrote:
This patch ensures info->update_val is consistent with current register value.
Signed-off-by: Axel Lin <axel....@ingics.com>
Looks good to me.
Acked-by: Bengt Jonsson <bengt.g.jons...@stericsson.com>
---
drivers/regulator/ab8500.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index acdffc5..1866dbf 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -392,9 +392,8 @@ static int ab8500_regulator_set_mode(struct regulator_dev
*rdev,
val = info->mode_val_idle;
break;
default:
- if (info->shared_mode)
- mutex_unlock(&shared_mode_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out_unlock;
}
bank = info->mode_bank;
@@ -405,17 +404,14 @@ static int ab8500_regulator_set_mode(struct regulator_dev
*rdev,
switch (mode) {
case REGULATOR_MODE_NORMAL:
- info->update_val = info->update_val_normal;
val = info->update_val_normal;
break;
case REGULATOR_MODE_IDLE:
- info->update_val = info->update_val_idle;
val = info->update_val_idle;
break;
default:
- if (info->shared_mode)
- mutex_unlock(&shared_mode_mutex);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out_unlock;
}
bank = info->update_bank;
@@ -426,9 +422,11 @@ static int ab8500_regulator_set_mode(struct regulator_dev
*rdev,
if (dmr || ab8500_regulator_is_enabled(rdev)) {
ret = abx500_mask_and_set_register_interruptible(info->dev,
bank, reg, mask, val);
- if (ret < 0)
+ if (ret < 0) {
dev_err(rdev_get_dev(rdev),
"couldn't set regulator mode\n");
+ goto out_unlock;
+ }
dev_vdbg(rdev_get_dev(rdev),
"%s-set_mode (bank, reg, mask, value): "
@@ -437,6 +435,10 @@ static int ab8500_regulator_set_mode(struct regulator_dev
*rdev,
mask, val);
}
+ if (!dmr)
+ info->update_val = val;
+
+out_unlock:
if (info->shared_mode)
mutex_unlock(&shared_mode_mutex);
--
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