diff options
| -rw-r--r-- | drivers/regulator/mc13892-regulator.c | 39 | ||||
| -rw-r--r-- | drivers/regulator/mc13xxx-regulator-core.c | 17 | ||||
| -rw-r--r-- | drivers/regulator/mc13xxx.h | 4 |
3 files changed, 17 insertions, 43 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; diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c index 23cf9f9c383b..da4859282302 100644 --- a/drivers/regulator/mc13xxx-regulator-core.c +++ b/drivers/regulator/mc13xxx-regulator-core.c @@ -180,15 +180,13 @@ EXPORT_SYMBOL_GPL(mc13xxx_get_num_regulators_dt); struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( struct platform_device *pdev, struct mc13xxx_regulator *regulators, - int num_regulators, int *num_parsed) + int num_regulators) { struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); struct mc13xxx_regulator_init_data *data, *p; struct device_node *parent, *child; int i, parsed = 0; - *num_parsed = 0; - of_node_get(pdev->dev.parent->of_node); parent = of_find_node_by_name(pdev->dev.parent->of_node, "regulators"); if (!parent) @@ -204,10 +202,13 @@ struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( p = data; for_each_child_of_node(parent, child) { + int found = 0; + for (i = 0; i < num_regulators; i++) { + if (!regulators[i].desc.name) + continue; if (!of_node_cmp(child->name, regulators[i].desc.name)) { - p->id = i; p->init_data = of_get_regulator_init_data( &pdev->dev, child); @@ -215,13 +216,19 @@ struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( p++; parsed++; + found = 1; break; } } + + if (!found) + dev_warn(&pdev->dev, + "Unknown regulator: %s\n", child->name); } of_node_put(parent); - *num_parsed = parsed; + priv->num_regulators = parsed; + return data; } EXPORT_SYMBOL_GPL(mc13xxx_parse_regulators_dt); diff --git a/drivers/regulator/mc13xxx.h b/drivers/regulator/mc13xxx.h index 007f83387fd6..06c8903f182a 100644 --- a/drivers/regulator/mc13xxx.h +++ b/drivers/regulator/mc13xxx.h @@ -39,7 +39,7 @@ extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev); extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( struct platform_device *pdev, struct mc13xxx_regulator *regulators, - int num_regulators, int *num_parsed); + int num_regulators); #else static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) { @@ -48,7 +48,7 @@ static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( struct platform_device *pdev, struct mc13xxx_regulator *regulators, - int num_regulators, int *num_parsed) + int num_regulators) { return NULL; } |