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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>
This commit is contained in:
Kim, Milo 2012-09-05 04:39:39 +00:00 committed by Mark Brown
parent 9d6da6fcc2
commit 5bab305d3c
1 changed files with 0 additions and 28 deletions
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28
drivers/regulator/lp872x.c
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@ -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);