From: Keerthy Date: Wed, 26 Oct 2016 08:12:32 +0000 (+0530) Subject: power: regulator: Add limits checking while setting current X-Git-Tag: v2017.01-rc1~210^2~29 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=5483456e919f08e51914d296e8720eaa0a288b68;p=oweals%2Fu-boot.git power: regulator: Add limits checking while setting current Currently the specific set ops functions are directly called without any check for min/max current limits for a regulator. Check for them and proceed. Signed-off-by: Keerthy Fixed checking of current limits: Signed-off-by: Simon Glass --- diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index e48d213288..52a1070363 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -82,6 +82,13 @@ int regulator_get_current(struct udevice *dev) int regulator_set_current(struct udevice *dev, int uA) { const struct dm_regulator_ops *ops = dev_get_driver_ops(dev); + struct dm_regulator_uclass_platdata *uc_pdata; + + uc_pdata = dev_get_uclass_platdata(dev); + if (uc_pdata->min_uA != -ENODATA && uA < uc_pdata->min_uA) + return -EINVAL; + if (uc_pdata->max_uA != -ENODATA && uA > uc_pdata->max_uA) + return -EINVAL; if (!ops || !ops->set_current) return -ENOSYS;