From: Axel Lin <axel.lin@ingics.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: "Milo(Woogyom) Kim" <milo.kim@ti.com>, Liam Girdwood <lrg@ti.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH] regulator: lp872x: Kill _rdev_to_offset() function
Date: Sat, 08 Dec 2012 09:56:48 +0800 [thread overview]
Message-ID: <1354931808.6623.0.camel@phoenix> (raw)
There is only one user calling _rdev_to_offset() function.
Remove _rdev_to_offset() makes the code simpler.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/lp872x.c | 36 +++++++-----------------------------
1 file changed, 7 insertions(+), 29 deletions(-)
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 9289ead..8e3c7ae 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -181,20 +181,6 @@ static inline int lp872x_update_bits(struct lp872x *lp, u8 addr,
return regmap_update_bits(lp->regmap, addr, mask, data);
}
-static int _rdev_to_offset(struct regulator_dev *rdev)
-{
- enum lp872x_regulator_id id = rdev_get_id(rdev);
-
- switch (id) {
- case LP8720_ID_LDO1 ... LP8720_ID_BUCK:
- return id;
- case LP8725_ID_LDO1 ... LP8725_ID_BUCK2:
- return id - LP8725_ID_BASE;
- default:
- return -EINVAL;
- }
-}
-
static int lp872x_get_timestep_usec(struct lp872x *lp)
{
enum lp872x_id chip = lp->chipid;
@@ -234,28 +220,20 @@ static int lp872x_get_timestep_usec(struct lp872x *lp)
static int lp872x_regulator_enable_time(struct regulator_dev *rdev)
{
struct lp872x *lp = rdev_get_drvdata(rdev);
- enum lp872x_regulator_id regulator = rdev_get_id(rdev);
+ enum lp872x_regulator_id rid = rdev_get_id(rdev);
int time_step_us = lp872x_get_timestep_usec(lp);
- int ret, offset;
+ int ret;
u8 addr, val;
if (time_step_us < 0)
return -EINVAL;
- switch (regulator) {
- case LP8720_ID_LDO1 ... LP8720_ID_LDO5:
- case LP8725_ID_LDO1 ... LP8725_ID_LILO2:
- offset = _rdev_to_offset(rdev);
- if (offset < 0)
- return -EINVAL;
-
- addr = LP872X_LDO1_VOUT + offset;
- break;
- case LP8720_ID_BUCK:
- addr = LP8720_BUCK_VOUT1;
+ switch (rid) {
+ case LP8720_ID_LDO1 ... LP8720_ID_BUCK:
+ addr = LP872X_LDO1_VOUT + rid;
break;
- case LP8725_ID_BUCK1:
- addr = LP8725_BUCK1_VOUT1;
+ case LP8725_ID_LDO1 ... LP8725_ID_BUCK1:
+ addr = LP872X_LDO1_VOUT + rid - LP8725_ID_BASE;
break;
case LP8725_ID_BUCK2:
addr = LP8725_BUCK2_VOUT1;
--
1.7.9.5
next reply other threads:[~2012-12-08 1:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-08 1:56 Axel Lin [this message]
2012-12-10 2:30 ` [PATCH] regulator: lp872x: Kill _rdev_to_offset() function Kim, Milo
2012-12-10 3:23 ` Mark Brown
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