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Diffstat (limited to 'kernel/drivers/power/lp8727_charger.c')
-rw-r--r--kernel/drivers/power/lp8727_charger.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/kernel/drivers/power/lp8727_charger.c b/kernel/drivers/power/lp8727_charger.c
index 7e741f1d3..042fb3dac 100644
--- a/kernel/drivers/power/lp8727_charger.c
+++ b/kernel/drivers/power/lp8727_charger.c
@@ -508,23 +508,23 @@ out:
return param;
}
-static int lp8727_parse_dt(struct device *dev)
+static struct lp8727_platform_data *lp8727_parse_dt(struct device *dev)
{
struct device_node *np = dev->of_node;
struct device_node *child;
struct lp8727_platform_data *pdata;
const char *type;
- /* If charging parameter is not defined, just skip parsing the dt */
- if (of_get_child_count(np) == 0)
- goto out;
-
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
of_property_read_u32(np, "debounce-ms", &pdata->debounce_msec);
+ /* If charging parameter is not defined, just skip parsing the dt */
+ if (of_get_child_count(np) == 0)
+ return pdata;
+
for_each_child_of_node(np, child) {
of_property_read_string(child, "charger-type", &type);
@@ -535,29 +535,30 @@ static int lp8727_parse_dt(struct device *dev)
pdata->usb = lp8727_parse_charge_pdata(dev, child);
}
- dev->platform_data = pdata;
-out:
- return 0;
+ return pdata;
}
#else
-static int lp8727_parse_dt(struct device *dev)
+static struct lp8727_platform_data *lp8727_parse_dt(struct device *dev)
{
- return 0;
+ return NULL;
}
#endif
static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id)
{
struct lp8727_chg *pchg;
+ struct lp8727_platform_data *pdata;
int ret;
if (!i2c_check_functionality(cl->adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
return -EIO;
if (cl->dev.of_node) {
- ret = lp8727_parse_dt(&cl->dev);
- if (ret)
- return ret;
+ pdata = lp8727_parse_dt(&cl->dev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ } else {
+ pdata = dev_get_platdata(&cl->dev);
}
pchg = devm_kzalloc(&cl->dev, sizeof(*pchg), GFP_KERNEL);
@@ -566,7 +567,7 @@ static int lp8727_probe(struct i2c_client *cl, const struct i2c_device_id *id)
pchg->client = cl;
pchg->dev = &cl->dev;
- pchg->pdata = cl->dev.platform_data;
+ pchg->pdata = pdata;
i2c_set_clientdata(cl, pchg);
mutex_init(&pchg->xfer_lock);