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| author | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 15:32:46 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 15:32:46 +0200 |
| commit | 0ae28a35bcb7984838acbf28bfba9c030f8b74f0 (patch) | |
| tree | 4f449d929b5df9e126e839f388ff0fd2b52028a0 /drivers/regulator/lp3971.c | |
| parent | mtd: mpc5121_nfc: Changed SVR check to allow MPC5123. (diff) | |
| parent | Linux 2.6.34-rc7 (diff) | |
| download | linux-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.tar.xz linux-0ae28a35bcb7984838acbf28bfba9c030f8b74f0.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/mtdcore.c
Pull in the bdi fixes and ARM platform changes that other outstanding
patches depend on.
Diffstat (limited to 'drivers/regulator/lp3971.c')
| -rw-r--r-- | drivers/regulator/lp3971.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index f5532ed79272..671a7d1f1f0e 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/regulator/driver.h> #include <linux/regulator/lp3971.h> +#include <linux/slab.h> struct lp3971 { struct device *dev; @@ -45,7 +46,7 @@ static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val); LP3971_BUCK2 -> 4 LP3971_BUCK3 -> 6 */ -#define BUCK_VOL_CHANGE_SHIFT(x) (((1 << x) & ~0x01) << 1) +#define BUCK_VOL_CHANGE_SHIFT(x) (((!!x) << 2) | (x & ~0x01)) #define BUCK_VOL_CHANGE_FLAG_GO 0x01 #define BUCK_VOL_CHANGE_FLAG_TARGET 0x02 #define BUCK_VOL_CHANGE_FLAG_MASK 0x03 @@ -187,7 +188,8 @@ static int lp3971_ldo_set_voltage(struct regulator_dev *dev, return -EINVAL; return lp3971_set_bits(lp3971, LP3971_LDO_VOL_CONTR_REG(ldo), - LDO_VOL_CONTR_MASK << LDO_VOL_CONTR_SHIFT(ldo), val); + LDO_VOL_CONTR_MASK << LDO_VOL_CONTR_SHIFT(ldo), + val << LDO_VOL_CONTR_SHIFT(ldo)); } static struct regulator_ops lp3971_ldo_ops = { @@ -439,6 +441,10 @@ static int __devinit setup_regulators(struct lp3971 *lp3971, lp3971->num_regulators = pdata->num_regulators; lp3971->rdev = kcalloc(pdata->num_regulators, sizeof(struct regulator_dev *), GFP_KERNEL); + if (!lp3971->rdev) { + err = -ENOMEM; + goto err_nomem; + } /* Instantiate the regulators */ for (i = 0; i < pdata->num_regulators; i++) { @@ -461,6 +467,7 @@ error: regulator_unregister(lp3971->rdev[i]); kfree(lp3971->rdev); lp3971->rdev = NULL; +err_nomem: return err; } |