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authorKim, Milo <Milo.Kim@ti.com>2012-09-05 06:39:39 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-06 01:53:03 +0200
commit5bab305d3c573afc33b241a53452f6736910b2b4 (patch)
tree01060382d4fb8e730e790218f0f4dbc0894a2e38 /drivers/regulator
parentregulator: lp872x: fix NULL pointer access problem (diff)
downloadlinux-5bab305d3c573afc33b241a53452f6736910b2b4.tar.xz
linux-5bab305d3c573afc33b241a53452f6736910b2b4.zip
regulator: lp872x: remove unnecessary function
The lp872x_check_dvs_validity() is used for checking DVS platform data. If the DVS platform data is not defined, return as error code. Now, this is unnecessary because the default DVS mode is set in this case. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/lp872x.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 86485e823f05..708f4b6a17dc 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -729,28 +729,6 @@ static struct regulator_desc lp8725_regulator_desc[] = {
},
};
-static int lp872x_check_dvs_validity(struct lp872x *lp)
-{
- struct lp872x_dvs *dvs = lp->pdata->dvs;
- u8 val = 0;
- int ret;
-
- ret = lp872x_read_byte(lp, LP872X_GENERAL_CFG, &val);
- if (ret)
- return ret;
-
- ret = 0;
- if (lp->chipid == LP8720) {
- if (val & LP8720_EXT_DVS_M)
- ret = dvs ? 0 : -EINVAL;
- } else {
- if ((val & LP8725_DVS1_M) == EXTERN_DVS_USED)
- ret = dvs ? 0 : -EINVAL;
- }
-
- return ret;
-}
-
static int lp872x_init_dvs(struct lp872x *lp)
{
int ret, gpio;
@@ -762,12 +740,6 @@ static int lp872x_init_dvs(struct lp872x *lp)
if (!dvs)
goto set_default_dvs_mode;
- ret = lp872x_check_dvs_validity(lp);
- if (ret) {
- dev_warn(lp->dev, "invalid dvs data: %d\n", ret);
- return ret;
- }
-
gpio = dvs->gpio;
if (!gpio_is_valid(gpio)) {
dev_err(lp->dev, "invalid gpio: %d\n", gpio);