From: Axel Lin Date: Fri, 2 Mar 2012 08:23:39 +0000 (+0800) Subject: regulator: max8660: Use DIV_ROUND_UP macro to calculate selector X-Git-Tag: Ubuntu-goldfish-3.4.0-4.27~718^2~4^2~29 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=ab353c2375258fced2967dfe66ff109098797cf1;p=mirror_ubuntu-zesty-kernel.git regulator: max8660: Use DIV_ROUND_UP macro to calculate selector Signed-off-by: Axel Lin Signed-off-by: Mark Brown --- diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c index a838e664569f..4c5b05311f47 100644 --- a/drivers/regulator/max8660.c +++ b/drivers/regulator/max8660.c @@ -153,14 +153,15 @@ static int max8660_dcdc_set(struct regulator_dev *rdev, int min_uV, int max_uV, if (max_uV < MAX8660_DCDC_MIN_UV || max_uV > MAX8660_DCDC_MAX_UV) return -EINVAL; - selector = (min_uV - (MAX8660_DCDC_MIN_UV - MAX8660_DCDC_STEP + 1)) - / MAX8660_DCDC_STEP; - *s = selector; + selector = DIV_ROUND_UP(min_uV - MAX8660_DCDC_MIN_UV, + MAX8660_DCDC_STEP); ret = max8660_dcdc_list(rdev, selector); if (ret < 0 || ret > max_uV) return -EINVAL; + *s = selector; + reg = (rdev_get_id(rdev) == MAX8660_V3) ? MAX8660_ADTV2 : MAX8660_SDTV2; ret = max8660_write(max8660, reg, 0, selector); if (ret) @@ -210,8 +211,9 @@ static int max8660_ldo5_set(struct regulator_dev *rdev, int min_uV, int max_uV, if (max_uV < MAX8660_LDO5_MIN_UV || max_uV > MAX8660_LDO5_MAX_UV) return -EINVAL; - selector = (min_uV - (MAX8660_LDO5_MIN_UV - MAX8660_LDO5_STEP + 1)) - / MAX8660_LDO5_STEP; + selector = DIV_ROUND_UP(min_uV - MAX8660_LDO5_MIN_UV, + MAX8660_LDO5_STEP); + ret = max8660_ldo5_list(rdev, selector); if (ret < 0 || ret > max_uV) return -EINVAL; @@ -287,8 +289,8 @@ static int max8660_ldo67_set(struct regulator_dev *rdev, int min_uV, if (max_uV < MAX8660_LDO67_MIN_UV || max_uV > MAX8660_LDO67_MAX_UV) return -EINVAL; - selector = (min_uV - (MAX8660_LDO67_MIN_UV - MAX8660_LDO67_STEP + 1)) - / MAX8660_LDO67_STEP; + selector = DIV_ROUND_UP(min_uV - MAX8660_LDO67_MIN_UV, + MAX8660_LDO67_STEP); ret = max8660_ldo67_list(rdev, selector); if (ret < 0 || ret > max_uV)