regulator: max8952: Let core handle GPIO descriptor

Use the gpiod_get() rather than the devm_* version so that the
regulator core can handle the lifecycle of these descriptors.

Fixes: d7a261c2 ("regulator: max8952: Pass descriptor instead of GPIO number")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/max8952.c

@@ -231,9 +231,13 @@ static int max8952_pmic_probe(struct i2c_client *client,
 	else
 		gflags = GPIOD_OUT_LOW;
 	gflags |= GPIOD_FLAGS_BIT_NONEXCLUSIVE;
-	gpiod = devm_gpiod_get_optional(&client->dev,
-					"max8952,en",
-					gflags);
+	/*
+	 * Do not use devm* here: the regulator core takes over the
+	 * lifecycle management of the GPIO descriptor.
+	 */
+	gpiod = gpiod_get_optional(&client->dev,
+				   "max8952,en",
+				   gflags);
 	if (IS_ERR(gpiod))
 		return PTR_ERR(gpiod);
 	if (gpiod)