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authorRussell King <rmk+kernel@armlinux.org.uk>2016-08-31 10:49:44 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-03-24 16:04:13 +0300
commit9dd4819ed58a7f1702d5ba737507d0fef96e68c8 (patch)
treef597daa480dbf46e5b4036e96579b5649097d59a /drivers/gpio
parent7477e137dcfdf259123815d0e0b02738840ea71e (diff)
downloadlinux-9dd4819ed58a7f1702d5ba737507d0fef96e68c8.tar.xz
gpio: sa1100: use sa11x0_gpio_set_wake()
Use sa11x0_gpio_set_wake() to set the PWER register, as provided by Dmitry some time back. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-sa1100.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c
index 8d8ee0ebf14c..fb9d52a57d78 100644
--- a/drivers/gpio/gpio-sa1100.c
+++ b/drivers/gpio/gpio-sa1100.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/io.h>
#include <linux/syscore_ops.h>
+#include <soc/sa1100/pwer.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
@@ -73,6 +74,7 @@ static struct gpio_chip sa1100_gpio_chip = {
static int GPIO_IRQ_rising_edge;
static int GPIO_IRQ_falling_edge;
static int GPIO_IRQ_mask;
+static int GPIO_IRQ_wake;
static int sa1100_gpio_type(struct irq_data *d, unsigned int type)
{
@@ -131,11 +133,14 @@ static void sa1100_gpio_unmask(struct irq_data *d)
static int sa1100_gpio_wake(struct irq_data *d, unsigned int on)
{
- if (on)
- PWER |= BIT(d->hwirq);
- else
- PWER &= ~BIT(d->hwirq);
- return 0;
+ int ret = sa11x0_gpio_set_wake(d->hwirq, on);
+ if (!ret) {
+ if (on)
+ GPIO_IRQ_wake |= BIT(d->hwirq);
+ else
+ GPIO_IRQ_wake &= ~BIT(d->hwirq);
+ }
+ return ret;
}
/*
@@ -201,8 +206,8 @@ static int sa1100_gpio_suspend(void)
/*
* Set the appropriate edges for wakeup.
*/
- GRER = PWER & GPIO_IRQ_rising_edge;
- GFER = PWER & GPIO_IRQ_falling_edge;
+ GRER = GPIO_IRQ_wake & GPIO_IRQ_rising_edge;
+ GFER = GPIO_IRQ_wake & GPIO_IRQ_falling_edge;
/*
* Clear any pending GPIO interrupts.