From: Axel Lin Date: Wed, 13 Nov 2013 06:52:26 +0000 (+0800) Subject: regulator: lp3971: Convert to devm_regulator_register X-Git-Tag: firefly_0821_release~176^2~4568^2~1^4 X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=56dde80a1a62b1f84f9ba7d2aee267dc9476ee58;p=firefly-linux-kernel-4.4.55.git regulator: lp3971: Convert to devm_regulator_register Both num_regulators and **rdev are no longer required after this conversion, thus remove them from struct lp3971. Signed-off-by: Axel Lin Signed-off-by: Mark Brown --- diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c index 947c05ffe0ab..3b1102b75071 100644 --- a/drivers/regulator/lp3971.c +++ b/drivers/regulator/lp3971.c @@ -25,8 +25,6 @@ struct lp3971 { struct device *dev; struct mutex io_lock; struct i2c_client *i2c; - int num_regulators; - struct regulator_dev **rdev; }; static u8 lp3971_reg_read(struct lp3971 *lp3971, u8 reg); @@ -383,42 +381,27 @@ static int setup_regulators(struct lp3971 *lp3971, { int i, err; - 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++) { struct regulator_config config = { }; struct lp3971_regulator_subdev *reg = &pdata->regulators[i]; + struct regulator_dev *rdev; config.dev = lp3971->dev; config.init_data = reg->initdata; config.driver_data = lp3971; - lp3971->rdev[i] = regulator_register(®ulators[reg->id], - &config); - if (IS_ERR(lp3971->rdev[i])) { - err = PTR_ERR(lp3971->rdev[i]); + rdev = devm_regulator_register(lp3971->dev, + ®ulators[reg->id], &config); + if (IS_ERR(rdev)) { + err = PTR_ERR(rdev); dev_err(lp3971->dev, "regulator init failed: %d\n", err); - goto error; + return err; } } return 0; - -error: - while (--i >= 0) - regulator_unregister(lp3971->rdev[i]); - kfree(lp3971->rdev); - lp3971->rdev = NULL; -err_nomem: - return err; } static int lp3971_i2c_probe(struct i2c_client *i2c, @@ -460,19 +443,6 @@ static int lp3971_i2c_probe(struct i2c_client *i2c, return 0; } -static int lp3971_i2c_remove(struct i2c_client *i2c) -{ - struct lp3971 *lp3971 = i2c_get_clientdata(i2c); - int i; - - for (i = 0; i < lp3971->num_regulators; i++) - regulator_unregister(lp3971->rdev[i]); - - kfree(lp3971->rdev); - - return 0; -} - static const struct i2c_device_id lp3971_i2c_id[] = { { "lp3971", 0 }, { } @@ -485,7 +455,6 @@ static struct i2c_driver lp3971_i2c_driver = { .owner = THIS_MODULE, }, .probe = lp3971_i2c_probe, - .remove = lp3971_i2c_remove, .id_table = lp3971_i2c_id, };