add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/wm8350-core.c
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@@ -1,19 +1,15 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * wm8350-core.c  --  Device access for Wolfson WM8350
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  *
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  * Copyright 2007, 2008 Wolfson Microelectronics PLC.
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  *
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  * Author: Liam Girdwood, Mark Brown
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- *
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- *  This program is free software; you can redistribute  it and/or modify it
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- *  under  the terms of  the GNU General  Public License as published by the
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- *  Free Software Foundation;  either version 2 of the  License, or (at your
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- *  option) any later version.
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- *
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  */
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 #include <linux/kernel.h>
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-#include <linux/module.h>
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+#include <linux/init.h>
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+#include <linux/export.h>
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 #include <linux/slab.h>
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 #include <linux/bug.h>
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 #include <linux/device.h>
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@@ -135,6 +131,8 @@
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  * The WM8350 has a hardware lock which can be used to prevent writes to
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  * some registers (generally those which can cause particularly serious
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  * problems if misused).  This function enables that lock.
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+ *
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+ * @wm8350: pointer to local driver data structure
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  */
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 int wm8350_reg_lock(struct wm8350 *wm8350)
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 {
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@@ -164,6 +162,8 @@
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  * problems if misused).  This function disables that lock so updates
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  * can be performed.  For maximum safety this should be done only when
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  * required.
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+ *
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+ * @wm8350: pointer to local driver data structure
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  */
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 int wm8350_reg_unlock(struct wm8350 *wm8350)
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 {
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@@ -442,30 +442,3 @@
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 	return ret;
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 }
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 EXPORT_SYMBOL_GPL(wm8350_device_init);
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-
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-void wm8350_device_exit(struct wm8350 *wm8350)
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-{
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-	int i;
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-
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-	for (i = 0; i < ARRAY_SIZE(wm8350->pmic.led); i++)
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-		platform_device_unregister(wm8350->pmic.led[i].pdev);
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-
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-	for (i = 0; i < ARRAY_SIZE(wm8350->pmic.pdev); i++)
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-		platform_device_unregister(wm8350->pmic.pdev[i]);
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-
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-	platform_device_unregister(wm8350->wdt.pdev);
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-	platform_device_unregister(wm8350->rtc.pdev);
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-	platform_device_unregister(wm8350->power.pdev);
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-	platform_device_unregister(wm8350->hwmon.pdev);
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-	platform_device_unregister(wm8350->gpio.pdev);
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-	platform_device_unregister(wm8350->codec.pdev);
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-
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-	if (wm8350->irq_base)
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-		free_irq(wm8350->irq_base + WM8350_IRQ_AUXADC_DATARDY, wm8350);
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-
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-	wm8350_irq_exit(wm8350);
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-}
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-EXPORT_SYMBOL_GPL(wm8350_device_exit);
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-
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-MODULE_DESCRIPTION("WM8350 AudioPlus PMIC core driver");
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-MODULE_LICENSE("GPL");