Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 47dbd19..8a01d36 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -1,20 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* arch/arm/mach-tegra/gpio.c
*
* Copyright (c) 2010 Google, Inc
+ * Copyright (c) 2011-2016, NVIDIA CORPORATION. All rights reserved.
*
* Author:
* Erik Gilling <konkers@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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/err.h>
@@ -141,14 +133,14 @@
static int tegra_gpio_request(struct gpio_chip *chip, unsigned int offset)
{
- return pinctrl_gpio_request(offset);
+ return pinctrl_gpio_request(chip->base + offset);
}
static void tegra_gpio_free(struct gpio_chip *chip, unsigned int offset)
{
struct tegra_gpio_info *tgi = gpiochip_get_data(chip);
- pinctrl_gpio_free(offset);
+ pinctrl_gpio_free(chip->base + offset);
tegra_gpio_disable(tgi, offset);
}
@@ -176,10 +168,18 @@
unsigned int offset)
{
struct tegra_gpio_info *tgi = gpiochip_get_data(chip);
+ int ret;
tegra_gpio_mask_write(tgi, GPIO_MSK_OE(tgi, offset), offset, 0);
tegra_gpio_enable(tgi, offset);
- return 0;
+
+ ret = pinctrl_gpio_direction_input(chip->base + offset);
+ if (ret < 0)
+ dev_err(tgi->dev,
+ "Failed to set pinctrl input direction of GPIO %d: %d",
+ chip->base + offset, ret);
+
+ return ret;
}
static int tegra_gpio_direction_output(struct gpio_chip *chip,
@@ -187,11 +187,19 @@
int value)
{
struct tegra_gpio_info *tgi = gpiochip_get_data(chip);
+ int ret;
tegra_gpio_set(chip, offset, value);
tegra_gpio_mask_write(tgi, GPIO_MSK_OE(tgi, offset), offset, 1);
tegra_gpio_enable(tgi, offset);
- return 0;
+
+ ret = pinctrl_gpio_direction_output(chip->base + offset);
+ if (ret < 0)
+ dev_err(tgi->dev,
+ "Failed to set pinctrl output direction of GPIO %d: %d",
+ chip->base + offset, ret);
+
+ return ret;
}
static int tegra_gpio_get_direction(struct gpio_chip *chip,
@@ -404,8 +412,7 @@
#ifdef CONFIG_PM_SLEEP
static int tegra_gpio_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct tegra_gpio_info *tgi = platform_get_drvdata(pdev);
+ struct tegra_gpio_info *tgi = dev_get_drvdata(dev);
unsigned long flags;
unsigned int b, p;
@@ -444,8 +451,7 @@
static int tegra_gpio_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct tegra_gpio_info *tgi = platform_get_drvdata(pdev);
+ struct tegra_gpio_info *tgi = dev_get_drvdata(dev);
unsigned long flags;
unsigned int b, p;
@@ -535,8 +541,8 @@
static void tegra_gpio_debuginit(struct tegra_gpio_info *tgi)
{
- (void) debugfs_create_file("tegra_gpio", 0444,
- NULL, tgi, &tegra_dbg_gpio_fops);
+ debugfs_create_file("tegra_gpio", 0444, NULL, tgi,
+ &tegra_dbg_gpio_fops);
}
#else
@@ -554,7 +560,6 @@
static int tegra_gpio_probe(struct platform_device *pdev)
{
struct tegra_gpio_info *tgi;
- struct resource *res;
struct tegra_gpio_bank *bank;
unsigned int gpio, i, j;
int ret;
@@ -619,10 +624,8 @@
for (i = 0; i < tgi->bank_count; i++) {
ret = platform_get_irq(pdev, i);
- if (ret < 0) {
- dev_err(&pdev->dev, "Missing IRQ resource: %d\n", ret);
+ if (ret < 0)
return ret;
- }
bank = &tgi->bank_info[i];
bank->bank = i;
@@ -630,8 +633,7 @@
bank->tgi = tgi;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- tgi->regs = devm_ioremap_resource(&pdev->dev, res);
+ tgi->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(tgi->regs))
return PTR_ERR(tgi->regs);