From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/gpio/gpio-arizona.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/kernel/drivers/gpio/gpio-arizona.c b/kernel/drivers/gpio/gpio-arizona.c
index c6cf270..2bc173c 100644
--- a/kernel/drivers/gpio/gpio-arizona.c
+++ b/kernel/drivers/gpio/gpio-arizona.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* gpiolib support for Wolfson Arizona class devices
*
* Copyright 2012 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>
@@ -152,7 +147,7 @@
static int arizona_gpio_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
- struct arizona_pdata *pdata = dev_get_platdata(arizona->dev);
+ struct arizona_pdata *pdata = &arizona->pdata;
struct arizona_gpio *arizona_gpio;
int ret;
@@ -187,7 +182,7 @@
return -EINVAL;
}
- if (pdata && pdata->gpio_base)
+ if (pdata->gpio_base)
arizona_gpio->gpio_chip.base = pdata->gpio_base;
else
arizona_gpio->gpio_chip.base = -1;
@@ -197,6 +192,7 @@
ret = devm_gpiochip_add_data(&pdev->dev, &arizona_gpio->gpio_chip,
arizona_gpio);
if (ret < 0) {
+ pm_runtime_disable(&pdev->dev);
dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
ret);
return ret;
--
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