diff options
Diffstat (limited to 'drivers/mfd/wm831x-spi.c')
| -rw-r--r-- | drivers/mfd/wm831x-spi.c | 47 |
1 files changed, 7 insertions, 40 deletions
diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c index 018ce652ae57..54c87267917b 100644 --- a/drivers/mfd/wm831x-spi.c +++ b/drivers/mfd/wm831x-spi.c @@ -1,21 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * wm831x-spi.c -- SPI access for Wolfson WM831x PMICs * * Copyright 2009,2010 Wolfson Microelectronics PLC. * * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> - * - * 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. - * */ #include <linux/kernel.h> -#include <linux/module.h> +#include <linux/init.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/pm.h> #include <linux/spi/spi.h> #include <linux/regmap.h> @@ -26,21 +20,14 @@ static int wm831x_spi_probe(struct spi_device *spi) { struct wm831x_pdata *pdata = dev_get_platdata(&spi->dev); - const struct spi_device_id *id = spi_get_device_id(spi); - const struct of_device_id *of_id; struct wm831x *wm831x; enum wm831x_parent type; int ret; - if (spi->dev.of_node) { - of_id = of_match_device(wm831x_of_match, &spi->dev); - if (!of_id) { - dev_err(&spi->dev, "Failed to match device\n"); - return -ENODEV; - } - type = (enum wm831x_parent)of_id->data; - } else { - type = (enum wm831x_parent)id->driver_data; + type = (uintptr_t)spi_get_device_match_data(spi); + if (!type) { + dev_err(&spi->dev, "Failed to match device\n"); + return -ENODEV; } wm831x = devm_kzalloc(&spi->dev, sizeof(struct wm831x), GFP_KERNEL); @@ -67,15 +54,6 @@ static int wm831x_spi_probe(struct spi_device *spi) return wm831x_device_init(wm831x, spi->irq); } -static int wm831x_spi_remove(struct spi_device *spi) -{ - struct wm831x *wm831x = spi_get_drvdata(spi); - - wm831x_device_exit(wm831x); - - return 0; -} - static int wm831x_spi_suspend(struct device *dev) { struct wm831x *wm831x = dev_get_drvdata(dev); @@ -108,17 +86,16 @@ static const struct spi_device_id wm831x_spi_ids[] = { { "wm8326", WM8326 }, { }, }; -MODULE_DEVICE_TABLE(spi, wm831x_spi_ids); static struct spi_driver wm831x_spi_driver = { .driver = { .name = "wm831x", .pm = &wm831x_spi_pm, .of_match_table = of_match_ptr(wm831x_of_match), + .suppress_bind_attrs = true, }, .id_table = wm831x_spi_ids, .probe = wm831x_spi_probe, - .remove = wm831x_spi_remove, }; static int __init wm831x_spi_init(void) @@ -132,13 +109,3 @@ static int __init wm831x_spi_init(void) return 0; } subsys_initcall(wm831x_spi_init); - -static void __exit wm831x_spi_exit(void) -{ - spi_unregister_driver(&wm831x_spi_driver); -} -module_exit(wm831x_spi_exit); - -MODULE_DESCRIPTION("SPI support for WM831x/2x AudioPlus PMICs"); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Mark Brown"); |