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path: root/drivers/gpio/gpio-wcove.c
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Diffstat (limited to 'drivers/gpio/gpio-wcove.c')
-rw-r--r--drivers/gpio/gpio-wcove.c29
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
index dde7c6aecbb5..444fe9e7f04a 100644
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -1,34 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Intel Whiskey Cove PMIC GPIO Driver
*
* This driver is written based on gpio-crystalcove.c
*
* Copyright (C) 2016 Intel Corporation. All rights reserved.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/bitops.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
#include <linux/gpio/driver.h>
+#include <linux/interrupt.h>
#include <linux/mfd/intel_soc_pmic.h>
+#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/seq_file.h>
/*
* Whiskey Cove PMIC has 13 physical GPIO pins divided into 3 banks:
- * Bank 0: Pin 0 - 6
- * Bank 1: Pin 7 - 10
- * Bank 2: Pin 11 -12
+ * Bank 0: Pin 0 - 6
+ * Bank 1: Pin 7 - 10
+ * Bank 2: Pin 11 - 12
* Each pin has one output control register and one input control register.
*/
#define BANK0_NR_PINS 7
@@ -75,8 +67,8 @@
#define CTLO_RVAL_50KDOWN (2 << 1)
#define CTLO_RVAL_50KUP (3 << 1)
-#define CTLO_INPUT_SET (CTLO_DRV_CMOS | CTLO_DRV_REN | CTLO_RVAL_2KUP)
-#define CTLO_OUTPUT_SET (CTLO_DIR_OUT | CTLO_INPUT_SET)
+#define CTLO_INPUT_SET (CTLO_DRV_CMOS | CTLO_DRV_REN | CTLO_RVAL_2KUP)
+#define CTLO_OUTPUT_SET (CTLO_DIR_OUT | CTLO_INPUT_SET)
enum ctrl_register {
CTRL_IN,
@@ -105,7 +97,7 @@ struct wcove_gpio {
bool set_irq_mask;
};
-static inline unsigned int to_reg(int gpio, enum ctrl_register reg_type)
+static inline int to_reg(int gpio, enum ctrl_register reg_type)
{
unsigned int reg;
@@ -203,8 +195,7 @@ static int wcove_gpio_get(struct gpio_chip *chip, unsigned int gpio)
return val & 0x1;
}
-static void wcove_gpio_set(struct gpio_chip *chip,
- unsigned int gpio, int value)
+static void wcove_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
{
struct wcove_gpio *wg = gpiochip_get_data(chip);
int reg = to_reg(gpio, CTRL_OUT);