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path: root/drivers/gpio/gpio-sa1100.c
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Diffstat (limited to 'drivers/gpio/gpio-sa1100.c')
-rw-r--r--drivers/gpio/gpio-sa1100.c30
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c
index 986eb3b231ac..1938ffa2f4f3 100644
--- a/drivers/gpio/gpio-sa1100.c
+++ b/drivers/gpio/gpio-sa1100.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/arch/arm/mach-sa1100/gpio.c
*
* Generic SA-1100 GPIO handling
- *
- * 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.
*/
#include <linux/gpio/driver.h>
#include <linux/init.h>
@@ -15,6 +12,7 @@
#include <soc/sa1100/pwer.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
+#include <mach/generic.h>
struct sa1100_gpio_chip {
struct gpio_chip chip;
@@ -45,18 +43,24 @@ static int sa1100_gpio_get(struct gpio_chip *chip, unsigned offset)
BIT(offset);
}
-static void sa1100_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int sa1100_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
{
int reg = value ? R_GPSR : R_GPCR;
writel_relaxed(BIT(offset), sa1100_gpio_chip(chip)->membase + reg);
+
+ return 0;
}
static int sa1100_get_direction(struct gpio_chip *chip, unsigned offset)
{
void __iomem *gpdr = sa1100_gpio_chip(chip)->membase + R_GPDR;
- return !(readl_relaxed(gpdr) & BIT(offset));
+ if (readl_relaxed(gpdr) & BIT(offset))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int sa1100_direction_input(struct gpio_chip *chip, unsigned offset)
@@ -252,7 +256,7 @@ static void sa1100_gpio_handler(struct irq_desc *desc)
} while (mask);
}
-static int sa1100_gpio_suspend(void)
+static int sa1100_gpio_suspend(void *data)
{
struct sa1100_gpio_chip *sgc = &sa1100_gpio_chip;
@@ -271,19 +275,23 @@ static int sa1100_gpio_suspend(void)
return 0;
}
-static void sa1100_gpio_resume(void)
+static void sa1100_gpio_resume(void *data)
{
sa1100_update_edge_regs(&sa1100_gpio_chip);
}
-static struct syscore_ops sa1100_gpio_syscore_ops = {
+static const struct syscore_ops sa1100_gpio_syscore_ops = {
.suspend = sa1100_gpio_suspend,
.resume = sa1100_gpio_resume,
};
+static struct syscore sa1100_gpio_syscore = {
+ .ops = &sa1100_gpio_syscore_ops,
+};
+
static int __init sa1100_gpio_init_devicefs(void)
{
- register_syscore_ops(&sa1100_gpio_syscore_ops);
+ register_syscore(&sa1100_gpio_syscore);
return 0;
}
@@ -318,7 +326,7 @@ void __init sa1100_init_gpio(void)
gpiochip_add_data(&sa1100_gpio_chip.chip, NULL);
- sa1100_gpio_irqdomain = irq_domain_add_simple(NULL,
+ sa1100_gpio_irqdomain = irq_domain_create_simple(NULL,
28, IRQ_GPIO0,
&sa1100_gpio_irqdomain_ops, sgc);