debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/mfd/wm8994-core.c
..
..
@@ -1,15 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * wm8994-core.c  --  Device access for Wolfson WM8994
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  *
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  * Copyright 2009 Wolfson Microelectronics PLC.
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  *
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  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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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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9
 
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 #include <linux/kernel.h>
..
..
@@ -21,7 +16,6 @@
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 #include <linux/mfd/core.h>
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 #include <linux/of.h>
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 #include <linux/of_device.h>
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-#include <linux/of_gpio.h>
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 #include <linux/pm_runtime.h>
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 #include <linux/regmap.h>
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 #include <linux/regulator/consumer.h>
..
..
@@ -306,14 +300,6 @@
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 	pdata->csnaddr_pd = of_property_read_bool(np, "wlf,csnaddr-pd");
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-	pdata->ldo[0].enable = of_get_named_gpio(np, "wlf,ldo1ena", 0);
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-	if (pdata->ldo[0].enable < 0)
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-		pdata->ldo[0].enable = 0;
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-
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-	pdata->ldo[1].enable = of_get_named_gpio(np, "wlf,ldo2ena", 0);
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-	if (pdata->ldo[1].enable < 0)
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-		pdata->ldo[1].enable = 0;
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-
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 	return 0;
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 }
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 #else
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@@ -407,7 +393,9 @@
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 	ret = regulator_bulk_get(wm8994->dev, wm8994->num_supplies,
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 				 wm8994->supplies);
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 	if (ret != 0) {
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-		dev_err(wm8994->dev, "Failed to get supplies: %d\n", ret);
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+		if (ret != -EPROBE_DEFER)
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+			dev_err(wm8994->dev, "Failed to get supplies: %d\n",
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+				ret);
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 		goto err;
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 	}
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..
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@@ -598,6 +586,7 @@
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 		goto err_irq;
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 	}
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+	pm_runtime_set_active(wm8994->dev);
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 	pm_runtime_enable(wm8994->dev);
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 	pm_runtime_idle(wm8994->dev);
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..
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@@ -617,7 +606,9 @@
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 static void wm8994_device_exit(struct wm8994 *wm8994)
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 {
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+	pm_runtime_get_sync(wm8994->dev);
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 	pm_runtime_disable(wm8994->dev);
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+	pm_runtime_put_noidle(wm8994->dev);
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 	wm8994_irq_exit(wm8994);
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 	regulator_bulk_disable(wm8994->num_supplies, wm8994->supplies);
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 	regulator_bulk_free(wm8994->num_supplies, wm8994->supplies);