diff options
Diffstat (limited to 'drivers/leds/leds-nic78bx.c')
| -rw-r--r-- | drivers/leds/leds-nic78bx.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/leds/leds-nic78bx.c b/drivers/leds/leds-nic78bx.c index 8d69e2b74a27..f3161266b8ad 100644 --- a/drivers/leds/leds-nic78bx.c +++ b/drivers/leds/leds-nic78bx.c @@ -1,22 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2016 National Instruments Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that 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. */ -#include <linux/acpi.h> +#include <linux/array_size.h> +#include <linux/bits.h> +#include <linux/container_of.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/ioport.h> #include <linux/leds.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/spinlock.h> +#include <linux/types.h> #define NIC78BX_USER1_LED_MASK 0x3 #define NIC78BX_USER1_GREEN_LED BIT(0) @@ -127,6 +126,15 @@ static struct nic78bx_led nic78bx_leds[] = { } }; +static void lock_led_reg_action(void *data) +{ + struct nic78bx_led_data *led_data = data; + + /* Lock LED register */ + outb(NIC78BX_LOCK_VALUE, + led_data->io_base + NIC78BX_LOCK_REG_OFFSET); +} + static int nic78bx_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -161,6 +169,10 @@ static int nic78bx_probe(struct platform_device *pdev) led_data->io_base = io_rc->start; spin_lock_init(&led_data->lock); + ret = devm_add_action(dev, lock_led_reg_action, led_data); + if (ret) + return ret; + for (i = 0; i < ARRAY_SIZE(nic78bx_leds); i++) { nic78bx_leds[i].data = led_data; @@ -176,29 +188,17 @@ static int nic78bx_probe(struct platform_device *pdev) return ret; } -static int nic78bx_remove(struct platform_device *pdev) -{ - struct nic78bx_led_data *led_data = platform_get_drvdata(pdev); - - /* Lock LED register */ - outb(NIC78BX_LOCK_VALUE, - led_data->io_base + NIC78BX_LOCK_REG_OFFSET); - - return 0; -} - static const struct acpi_device_id led_device_ids[] = { - {"NIC78B3", 0}, - {"", 0}, + { "NIC78B3" }, + { } }; MODULE_DEVICE_TABLE(acpi, led_device_ids); static struct platform_driver led_driver = { .probe = nic78bx_probe, - .remove = nic78bx_remove, .driver = { .name = KBUILD_MODNAME, - .acpi_match_table = ACPI_PTR(led_device_ids), + .acpi_match_table = led_device_ids, }, }; |