diff options
Diffstat (limited to 'drivers/regulator/tps65090-regulator.c')
| -rw-r--r-- | drivers/regulator/tps65090-regulator.c | 54 |
1 files changed, 25 insertions, 29 deletions
diff --git a/drivers/regulator/tps65090-regulator.c b/drivers/regulator/tps65090-regulator.c index 0614551796a1..8f916ee366e5 100644 --- a/drivers/regulator/tps65090-regulator.c +++ b/drivers/regulator/tps65090-regulator.c @@ -1,19 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Regulator driver for tps65090 power management chip. * * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/> */ #include <linux/module.h> @@ -57,7 +47,7 @@ struct tps65090_regulator { int overcurrent_wait; }; -static struct regulator_ops tps65090_ext_control_ops = { +static const struct regulator_ops tps65090_ext_control_ops = { }; /** @@ -177,19 +167,19 @@ err: return ret; } -static struct regulator_ops tps65090_reg_control_ops = { +static const struct regulator_ops tps65090_reg_control_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; -static struct regulator_ops tps65090_fet_control_ops = { +static const struct regulator_ops tps65090_fet_control_ops = { .enable = tps65090_fet_enable, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, }; -static struct regulator_ops tps65090_ldo_ops = { +static const struct regulator_ops tps65090_ldo_ops = { }; #define tps65090_REG_DESC(_id, _sname, _en_reg, _en_bits, _nvolt, _volt, _ops) \ @@ -356,16 +346,20 @@ static struct tps65090_platform_data *tps65090_parse_dt_reg_data( for (idx = 0; idx < ARRAY_SIZE(tps65090_matches); idx++) { struct regulator_init_data *ri_data; struct tps65090_regulator_plat_data *rpdata; + struct device_node *np; rpdata = ®_pdata[idx]; ri_data = tps65090_matches[idx].init_data; - if (!ri_data || !tps65090_matches[idx].of_node) + if (!ri_data) + continue; + + np = tps65090_matches[idx].of_node; + if (!np) continue; rpdata->reg_init_data = ri_data; - rpdata->enable_ext_control = of_property_read_bool( - tps65090_matches[idx].of_node, - "ti,enable-ext-control"); + rpdata->enable_ext_control = of_property_read_bool(np, + "ti,enable-ext-control"); if (rpdata->enable_ext_control) { enum gpiod_flags gflags; @@ -376,20 +370,21 @@ static struct tps65090_platform_data *tps65090_parse_dt_reg_data( gflags = GPIOD_OUT_LOW; gflags |= GPIOD_FLAGS_BIT_NONEXCLUSIVE; - rpdata->gpiod = devm_gpiod_get_from_of_node(&pdev->dev, - tps65090_matches[idx].of_node, - "dcdc-ext-control-gpios", 0, - gflags, - "tps65090"); - if (IS_ERR(rpdata->gpiod)) - return ERR_CAST(rpdata->gpiod); - if (!rpdata->gpiod) + rpdata->gpiod = devm_fwnode_gpiod_get( + &pdev->dev, + of_fwnode_handle(np), + "dcdc-ext-control", + gflags, + "tps65090"); + if (PTR_ERR(rpdata->gpiod) == -ENOENT) { dev_err(&pdev->dev, "could not find DCDC external control GPIO\n"); + rpdata->gpiod = NULL; + } else if (IS_ERR(rpdata->gpiod)) + return ERR_CAST(rpdata->gpiod); } - if (of_property_read_u32(tps65090_matches[idx].of_node, - "ti,overcurrent-wait", + if (of_property_read_u32(np, "ti,overcurrent-wait", &rpdata->overcurrent_wait) == 0) rpdata->overcurrent_wait_valid = true; @@ -516,6 +511,7 @@ static int tps65090_regulator_probe(struct platform_device *pdev) static struct platform_driver tps65090_regulator_driver = { .driver = { .name = "tps65090-pmic", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = tps65090_regulator_probe, }; |