diff options
Diffstat (limited to 'drivers/leds/leds-pca955x.c')
| -rw-r--r-- | drivers/leds/leds-pca955x.c | 62 |
1 files changed, 15 insertions, 47 deletions
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c index f51b356d4426..c2bc8f569760 100644 --- a/drivers/leds/leds-pca955x.c +++ b/drivers/leds/leds-pca955x.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright 2007-2008 Extreme Engineering Solutions, Inc. * * Author: Nate Case <ncase@xes-inc.com> * - * This file is subject to the terms and conditions of version 2 of - * the GNU General Public License. See the file COPYING in the main - * directory of this archive for more details. - * * LED driver for various PCA955x I2C LED drivers * * Supported devices: @@ -40,7 +37,6 @@ * bits the chip supports. */ -#include <linux/acpi.h> #include <linux/ctype.h> #include <linux/delay.h> #include <linux/err.h> @@ -48,8 +44,8 @@ #include <linux/i2c.h> #include <linux/leds.h> #include <linux/module.h> -#include <linux/of_device.h> #include <linux/of.h> +#include <linux/property.h> #include <linux/slab.h> #include <linux/string.h> @@ -110,15 +106,6 @@ static const struct i2c_device_id pca955x_id[] = { }; MODULE_DEVICE_TABLE(i2c, pca955x_id); -static const struct acpi_device_id pca955x_acpi_ids[] = { - { "PCA9550", pca9550 }, - { "PCA9551", pca9551 }, - { "PCA9552", pca9552 }, - { "PCA9553", pca9553 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, pca955x_acpi_ids); - struct pca955x { struct mutex lock; struct pca955x_led *leds; @@ -373,16 +360,14 @@ static int pca955x_gpio_direction_output(struct gpio_chip *gc, } #endif /* CONFIG_LEDS_PCA955X_GPIO */ -#if IS_ENABLED(CONFIG_OF) static struct pca955x_platform_data * -pca955x_pdata_of_init(struct i2c_client *client, struct pca955x_chipdef *chip) +pca955x_get_pdata(struct i2c_client *client, struct pca955x_chipdef *chip) { - struct device_node *np = client->dev.of_node; - struct device_node *child; struct pca955x_platform_data *pdata; + struct fwnode_handle *child; int count; - count = of_get_child_count(np); + count = device_get_child_node_count(&client->dev); if (!count || count > chip->bits) return ERR_PTR(-ENODEV); @@ -396,24 +381,25 @@ pca955x_pdata_of_init(struct i2c_client *client, struct pca955x_chipdef *chip) if (!pdata->leds) return ERR_PTR(-ENOMEM); - for_each_child_of_node(np, child) { + device_for_each_child_node(&client->dev, child) { const char *name; u32 reg; int res; - res = of_property_read_u32(child, "reg", ®); + res = fwnode_property_read_u32(child, "reg", ®); if ((res != 0) || (reg >= chip->bits)) continue; - if (of_property_read_string(child, "label", &name)) - name = child->name; + res = fwnode_property_read_string(child, "label", &name); + if ((res != 0) && is_of_node(child)) + name = to_of_node(child)->name; snprintf(pdata->leds[reg].name, sizeof(pdata->leds[reg].name), "%s", name); pdata->leds[reg].type = PCA955X_TYPE_LED; - of_property_read_u32(child, "type", &pdata->leds[reg].type); - of_property_read_string(child, "linux,default-trigger", + fwnode_property_read_u32(child, "type", &pdata->leds[reg].type); + fwnode_property_read_string(child, "linux,default-trigger", &pdata->leds[reg].default_trigger); } @@ -429,15 +415,7 @@ static const struct of_device_id of_pca955x_match[] = { { .compatible = "nxp,pca9553", .data = (void *)pca9553 }, {}, }; - MODULE_DEVICE_TABLE(of, of_pca955x_match); -#else -static struct pca955x_platform_data * -pca955x_pdata_of_init(struct i2c_client *client, struct pca955x_chipdef *chip) -{ - return ERR_PTR(-ENODEV); -} -#endif static int pca955x_probe(struct i2c_client *client, const struct i2c_device_id *id) @@ -450,20 +428,11 @@ static int pca955x_probe(struct i2c_client *client, struct pca955x_platform_data *pdata; int ngpios = 0; - if (id) { - chip = &pca955x_chipdefs[id->driver_data]; - } else { - const struct acpi_device_id *acpi_id; - - acpi_id = acpi_match_device(pca955x_acpi_ids, &client->dev); - if (!acpi_id) - return -ENODEV; - chip = &pca955x_chipdefs[acpi_id->driver_data]; - } + chip = &pca955x_chipdefs[id->driver_data]; adapter = to_i2c_adapter(client->dev.parent); pdata = dev_get_platdata(&client->dev); if (!pdata) { - pdata = pca955x_pdata_of_init(client, chip); + pdata = pca955x_get_pdata(client, chip); if (IS_ERR(pdata)) return PTR_ERR(pdata); } @@ -602,8 +571,7 @@ static int pca955x_probe(struct i2c_client *client, static struct i2c_driver pca955x_driver = { .driver = { .name = "leds-pca955x", - .acpi_match_table = ACPI_PTR(pca955x_acpi_ids), - .of_match_table = of_match_ptr(of_pca955x_match), + .of_match_table = of_pca955x_match, }, .probe = pca955x_probe, .id_table = pca955x_id, |