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path: root/drivers/gpio/gpio-adp5520.c
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Diffstat (limited to 'drivers/gpio/gpio-adp5520.c')
-rw-r--r--drivers/gpio/gpio-adp5520.c36
1 files changed, 13 insertions, 23 deletions
diff --git a/drivers/gpio/gpio-adp5520.c b/drivers/gpio/gpio-adp5520.c
index abf199609546..6305c8b7dc05 100644
--- a/drivers/gpio/gpio-adp5520.c
+++ b/drivers/gpio/gpio-adp5520.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* GPIO driver for Analog Devices ADP5520 MFD PMICs
*
* Copyright 2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
*/
#include <linux/module.h>
@@ -12,8 +11,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mfd/adp5520.h>
-
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
struct adp5520_gpio {
struct device *master;
@@ -42,16 +40,18 @@ static int adp5520_gpio_get_value(struct gpio_chip *chip, unsigned off)
return !!(reg_val & dev->lut[off]);
}
-static void adp5520_gpio_set_value(struct gpio_chip *chip,
- unsigned off, int val)
+static int adp5520_gpio_set_value(struct gpio_chip *chip,
+ unsigned int off, int val)
{
struct adp5520_gpio *dev;
dev = gpiochip_get_data(chip);
if (val)
- adp5520_set_bits(dev->master, ADP5520_GPIO_OUT, dev->lut[off]);
+ return adp5520_set_bits(dev->master, ADP5520_GPIO_OUT,
+ dev->lut[off]);
else
- adp5520_clr_bits(dev->master, ADP5520_GPIO_OUT, dev->lut[off]);
+ return adp5520_clr_bits(dev->master, ADP5520_GPIO_OUT,
+ dev->lut[off]);
}
static int adp5520_gpio_direction_input(struct gpio_chip *chip, unsigned off)
@@ -115,10 +115,8 @@ static int adp5520_gpio_probe(struct platform_device *pdev)
if (pdata->gpio_en_mask & (1 << i))
dev->lut[gpios++] = 1 << i;
- if (gpios < 1) {
- ret = -EINVAL;
- goto err;
- }
+ if (gpios < 1)
+ return -EINVAL;
gc = &dev->gpio_chip;
gc->direction_input = adp5520_gpio_direction_input;
@@ -150,18 +148,10 @@ static int adp5520_gpio_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "failed to write\n");
- goto err;
+ return ret;
}
- ret = devm_gpiochip_add_data(&pdev->dev, &dev->gpio_chip, dev);
- if (ret)
- goto err;
-
- platform_set_drvdata(pdev, dev);
- return 0;
-
-err:
- return ret;
+ return devm_gpiochip_add_data(&pdev->dev, &dev->gpio_chip, dev);
}
static struct platform_driver adp5520_gpio_driver = {
@@ -173,7 +163,7 @@ static struct platform_driver adp5520_gpio_driver = {
module_platform_driver(adp5520_gpio_driver);
-MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
+MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
MODULE_DESCRIPTION("GPIO ADP5520 Driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:adp5520-gpio");