regulator: mc13xxx: Add warning of incorrect names of regulators

This patch adds a warning about incorrect regulators instead of
printing the names of non-information message about the wrong amount.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@sirena.org.uk>

1 files changed, 3 insertions, 36 deletions

diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index 9891aec47b57..364ddd1c8591 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -535,7 +535,7 @@ static int mc13892_regulator_probe(struct platform_device *pdev)
 	struct mc13xxx_regulator_init_data *mc13xxx_data;
 	struct regulator_config config = { };
 	int i, ret;
-	int num_regulators = 0, num_parsed;
+	int num_regulators = 0;
 	u32 val;
 
 	num_regulators = mc13xxx_get_num_regulators_dt(pdev);
@@ -545,8 +545,6 @@ static int mc13892_regulator_probe(struct platform_device *pdev)
 	if (num_regulators <= 0)
 		return -EINVAL;
 
-	num_parsed = num_regulators;
-
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv) +
 		num_regulators * sizeof(priv->regulators[0]),
 		GFP_KERNEL);
@@ -589,40 +587,9 @@ static int mc13892_regulator_probe(struct platform_device *pdev)
 		= mc13892_vcam_get_mode;
 
 	mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators,
-					ARRAY_SIZE(mc13892_regulators),
-					&num_parsed);
-
-	/*
-	 * Perform a little sanity check on the regulator tree - if we found
-	 * a number of regulators from mc13xxx_get_num_regulators_dt and
-	 * then parsed a smaller number in mc13xxx_parse_regulators_dt then
-	 * there is a regulator defined in the regulators node which has
-	 * not matched any usable regulator in the driver. In this case,
-	 * there is one missing and what will happen is the first regulator
-	 * will get registered again.
-	 *
-	 * Fix this by basically making our number of registerable regulators
-	 * equal to the number of regulators we parsed. We are allocating
-	 * too much memory for priv, but this is unavoidable at this point.
-	 *
-	 * As an example of how this can happen, try making a typo in your
-	 * regulators node (vviohi {} instead of viohi {}) so that the name
-	 * does not match..
-	 *
-	 * The check will basically pass for platform data (non-DT) because
-	 * mc13xxx_parse_regulators_dt for !CONFIG_OF will not touch num_parsed.
-	 *
-	 */
-	if (num_parsed != num_regulators) {
-		dev_warn(&pdev->dev,
-		"parsed %d != regulators %d - check your device tree!\n",
-			num_parsed, num_regulators);
-
-		num_regulators = num_parsed;
-		priv->num_regulators = num_regulators;
-	}
+					ARRAY_SIZE(mc13892_regulators));
 
-	for (i = 0; i < num_regulators; i++) {
+	for (i = 0; i < priv->num_regulators; i++) {
 		struct regulator_init_data *init_data;
 		struct regulator_desc *desc;
 		struct device_node *node = NULL;