Guido
On 9/17/19 9:19 PM, Guido Günther wrote:
Instead use devm_regulator_get_optional since the regulator
is optional and check for errors.
Signed-off-by: Guido Günther <agx@xxxxxxxxxxx>
---
drivers/leds/leds-lm3692x.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/leds/leds-lm3692x.c b/drivers/leds/leds-lm3692x.c
index f394669ad8f2..9972c932d51e 100644
--- a/drivers/leds/leds-lm3692x.c
+++ b/drivers/leds/leds-lm3692x.c
@@ -333,9 +333,14 @@ static int lm3692x_probe_dt(struct lm3692x_led *led)
return ret;
}
- led->regulator = devm_regulator_get(&led->client->dev, "vled");
- if (IS_ERR(led->regulator))
- led->regulator = NULL;
+ led->regulator = devm_regulator_get_optional(&led->client->dev, "vled");
+ if (IS_ERR(led->regulator)) {
+ ret = PTR_ERR(led->regulator);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&led->client->dev,
+ "Failed to get vled regulator: %d\n", ret);
nitpick. Add a new line for readability
+ return ret;
+ }
If the regulator is not set then led->regulator should be set to NULL.
Dan
child = device_get_next_child_node(&led->client->dev, child);
if (!child) {
