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authorKim, Milo <Milo.Kim@ti.com>2012-09-05 06:39:11 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-06 01:53:02 +0200
commit9ffaa8689ea71ad74075dfd2a7520e6b48ecd910 (patch)
tree93919165571af28f2a6ec4422fcd7b772d93655c /drivers/regulator/lp872x.c
parentregulator: mc13783: add regulators sw1x and sw2x (diff)
downloadlinux-9ffaa8689ea71ad74075dfd2a7520e6b48ecd910.tar.xz
linux-9ffaa8689ea71ad74075dfd2a7520e6b48ecd910.zip
regulator: lp872x: remove regulator platform data dependency
This patch enables registering the regulator driver even though the regulator_init_data is not defined in the platform side. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/lp872x.c')
-rw-r--r--drivers/regulator/lp872x.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 6199d0f6cca1..ddd60c6b27ea 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -796,11 +796,15 @@ static int lp872x_config(struct lp872x *lp)
static struct regulator_init_data
*lp872x_find_regulator_init_data(int id, struct lp872x *lp)
{
+ struct lp872x_platform_data *pdata = lp->pdata;
int i;
+ if (!pdata)
+ return NULL;
+
for (i = 0; i < lp->num_regulators; i++) {
- if (lp->pdata->regulator_data[i].id == id)
- return lp->pdata->regulator_data[i].init_data;
+ if (pdata->regulator_data[i].id == id)
+ return pdata->regulator_data[i].init_data;
}
return NULL;
@@ -861,18 +865,12 @@ static const struct regmap_config lp872x_regmap_config = {
static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
{
struct lp872x *lp;
- struct lp872x_platform_data *pdata = cl->dev.platform_data;
int ret, size, num_regulators;
const int lp872x_num_regulators[] = {
[LP8720] = LP8720_NUM_REGULATORS,
[LP8725] = LP8725_NUM_REGULATORS,
};
- if (!pdata) {
- dev_err(&cl->dev, "no platform data\n");
- return -EINVAL;
- }
-
lp = devm_kzalloc(&cl->dev, sizeof(struct lp872x), GFP_KERNEL);
if (!lp)
goto err_mem;
@@ -892,7 +890,7 @@ static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
}
lp->dev = &cl->dev;
- lp->pdata = pdata;
+ lp->pdata = cl->dev.platform_data;
lp->chipid = id->driver_data;
lp->num_regulators = num_regulators;
i2c_set_clientdata(cl, lp);