From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/drivers/gpio/gpio-max730x.c | 17 ++++++-----------
1 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/kernel/drivers/gpio/gpio-max730x.c b/kernel/drivers/gpio/gpio-max730x.c
index 198a36b..b8c1fe2 100644
--- a/kernel/drivers/gpio/gpio-max730x.c
+++ b/kernel/drivers/gpio/gpio-max730x.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* Copyright (C) 2006 Juergen Beisert, Pengutronix
* Copyright (C) 2008 Guennadi Liakhovetski, Pengutronix
* Copyright (C) 2009 Wolfram Sang, Pengutronix
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*
* The Maxim MAX7300/1 device is an I2C/SPI driven GPIO expander. There are
* 28 GPIOs. 8 of them can trigger an interrupt. See datasheet for more
@@ -50,7 +47,7 @@
static int max7301_direction_input(struct gpio_chip *chip, unsigned offset)
{
- struct max7301 *ts = gpiochip_get_data(chip);
+ struct max7301 *ts = container_of(chip, struct max7301, chip);
u8 *config;
u8 offset_bits, pin_config;
int ret;
@@ -92,7 +89,7 @@
static int max7301_direction_output(struct gpio_chip *chip, unsigned offset,
int value)
{
- struct max7301 *ts = gpiochip_get_data(chip);
+ struct max7301 *ts = container_of(chip, struct max7301, chip);
u8 *config;
u8 offset_bits;
int ret;
@@ -192,10 +189,6 @@
ts->chip.parent = dev;
ts->chip.owner = THIS_MODULE;
- ret = gpiochip_add_data(&ts->chip, ts);
- if (ret)
- goto exit_destroy;
-
/*
* initialize pullups according to platform data and cache the
* register values for later use.
@@ -217,7 +210,9 @@
}
}
- return ret;
+ ret = gpiochip_add_data(&ts->chip, ts);
+ if (!ret)
+ return ret;
exit_destroy:
mutex_destroy(&ts->lock);
--
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