add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mfd/tc6393xb.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Toshiba TC6393XB SoC support
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  *
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@@ -8,10 +9,6 @@
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  *
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  * Based on code written by Sharp/Lineo for 2.4 kernels
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  * Based on locomo.c
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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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 #include <linux/kernel.h>
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@@ -122,14 +119,13 @@
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 static int tc6393xb_nand_enable(struct platform_device *nand)
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 {
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-	struct platform_device *dev = to_platform_device(nand->dev.parent);
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-	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
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+	struct tc6393xb *tc6393xb = dev_get_drvdata(nand->dev.parent);
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 	unsigned long flags;
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 	raw_spin_lock_irqsave(&tc6393xb->lock, flags);
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 	/* SMD buffer on */
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-	dev_dbg(&dev->dev, "SMD buffer on\n");
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+	dev_dbg(nand->dev.parent, "SMD buffer on\n");
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 	tmio_iowrite8(0xff, tc6393xb->scr + SCR_GPI_BCR(1));
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 	raw_spin_unlock_irqrestore(&tc6393xb->lock, flags);
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@@ -312,8 +308,7 @@
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 int tc6393xb_lcd_set_power(struct platform_device *fb, bool on)
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 {
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-	struct platform_device *dev = to_platform_device(fb->dev.parent);
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-	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
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+	struct tc6393xb *tc6393xb = dev_get_drvdata(fb->dev.parent);
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 	u8 fer;
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 	unsigned long flags;
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@@ -334,8 +329,7 @@
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 int tc6393xb_lcd_mode(struct platform_device *fb,
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 					const struct fb_videomode *mode) {
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-	struct platform_device *dev = to_platform_device(fb->dev.parent);
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-	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
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+	struct tc6393xb *tc6393xb = dev_get_drvdata(fb->dev.parent);
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 	unsigned long flags;
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 	raw_spin_lock_irqsave(&tc6393xb->lock, flags);
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@@ -351,8 +345,7 @@
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 static int tc6393xb_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 tc6393xb *tc6393xb = platform_get_drvdata(dev);
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+	struct tc6393xb *tc6393xb = dev_get_drvdata(mmc->dev.parent);
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 	tmio_core_mmc_enable(tc6393xb->scr + 0x200, 0,
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 		tc6393xb_mmc_resources[0].start & 0xfffe);
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@@ -362,8 +355,7 @@
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 static int tc6393xb_mmc_resume(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 tc6393xb *tc6393xb = platform_get_drvdata(dev);
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+	struct tc6393xb *tc6393xb = dev_get_drvdata(mmc->dev.parent);
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 	tmio_core_mmc_resume(tc6393xb->scr + 0x200, 0,
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 		tc6393xb_mmc_resources[0].start & 0xfffe);
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@@ -373,16 +365,14 @@
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 static void tc6393xb_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 tc6393xb *tc6393xb = platform_get_drvdata(dev);
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+	struct tc6393xb *tc6393xb = dev_get_drvdata(mmc->dev.parent);
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 	tmio_core_mmc_pwr(tc6393xb->scr + 0x200, 0, state);
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 }
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 static void tc6393xb_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 tc6393xb *tc6393xb = platform_get_drvdata(dev);
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+	struct tc6393xb *tc6393xb = dev_get_drvdata(mmc->dev.parent);
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 	tmio_core_mmc_clk_div(tc6393xb->scr + 0x200, 0, state);
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 }