add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/t7l66xb.c
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@@ -1,13 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *
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  * Toshiba T7L66XB core mfd support
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  *
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  * Copyright (c) 2005, 2007, 2008 Ian Molton
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  * Copyright (c) 2008 Dmitry Baryshkov
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * T7L66 features:
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  *
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@@ -82,8 +79,7 @@
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 static int t7l66xb_mmc_enable(struct platform_device *mmc)
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 {
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-	struct platform_device *dev = to_platform_device(mmc->dev.parent);
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-	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
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+	struct t7l66xb *t7l66xb = dev_get_drvdata(mmc->dev.parent);
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 	unsigned long flags;
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 	u8 dev_ctl;
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 	int ret;
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@@ -108,8 +104,7 @@
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 static int t7l66xb_mmc_disable(struct platform_device *mmc)
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 {
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-	struct platform_device *dev = to_platform_device(mmc->dev.parent);
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-	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
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+	struct t7l66xb *t7l66xb = dev_get_drvdata(mmc->dev.parent);
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 	unsigned long flags;
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 	u8 dev_ctl;
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@@ -128,16 +123,14 @@
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 static void t7l66xb_mmc_pwr(struct platform_device *mmc, int state)
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 {
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-	struct platform_device *dev = to_platform_device(mmc->dev.parent);
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-	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
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+	struct t7l66xb *t7l66xb = dev_get_drvdata(mmc->dev.parent);
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 	tmio_core_mmc_pwr(t7l66xb->scr + 0x200, 0, state);
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 }
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 static void t7l66xb_mmc_clk_div(struct platform_device *mmc, int state)
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 {
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-	struct platform_device *dev = to_platform_device(mmc->dev.parent);
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-	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
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+	struct t7l66xb *t7l66xb = dev_get_drvdata(mmc->dev.parent);
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 	tmio_core_mmc_clk_div(t7l66xb->scr + 0x200, 0, state);
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 }
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@@ -412,11 +405,8 @@
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 static int t7l66xb_remove(struct platform_device *dev)
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 {
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-	struct t7l66xb_platform_data *pdata = dev_get_platdata(&dev->dev);
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 	struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
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-	int ret;
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-	ret = pdata->disable(dev);
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 	clk_disable_unprepare(t7l66xb->clk48m);
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 	clk_put(t7l66xb->clk48m);
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 	clk_disable_unprepare(t7l66xb->clk32k);
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@@ -427,8 +417,7 @@
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 	mfd_remove_devices(&dev->dev);
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 	kfree(t7l66xb);
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-	return ret;
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-
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+	return 0;
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 }
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 static struct platform_driver t7l66xb_platform_driver = {