mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-10 14:43:07 +02:00
52 lines
1.3 KiB
Diff
52 lines
1.3 KiB
Diff
|
--- a/arch/mips/bcm47xx/gpio.c
|
||
|
|
+++ b/arch/mips/bcm47xx/gpio.c
|
||
|
|
@@ -7,6 +7,7 @@
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/export.h>
|
||
|
|
+#include <linux/gpio.h>
|
||
|
|
#include <linux/ssb/ssb.h>
|
||
|
|
#include <linux/ssb/ssb_driver_chipcommon.h>
|
||
|
|
#include <linux/ssb/ssb_driver_extif.h>
|
||
|
|
@@ -100,3 +101,30 @@ int gpio_to_irq(unsigned gpio)
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(gpio_to_irq);
|
||
|
|
+
|
||
|
|
+/**
|
||
|
|
+ * gpio_request_one - request a single GPIO with initial configuration
|
||
|
|
+ * @gpio: the GPIO number
|
||
|
|
+ * @flags: GPIO configuration as specified by GPIOF_*
|
||
|
|
+ * @label: a literal description string of this GPIO
|
||
|
|
+ */
|
||
|
|
+int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
|
||
|
|
+{
|
||
|
|
+ int err;
|
||
|
|
+
|
||
|
|
+ err = gpio_request(gpio, label);
|
||
|
|
+ if (err)
|
||
|
|
+ return err;
|
||
|
|
+
|
||
|
|
+ if (flags & GPIOF_DIR_IN)
|
||
|
|
+ err = gpio_direction_input(gpio);
|
||
|
|
+ else
|
||
|
|
+ err = gpio_direction_output(gpio,
|
||
|
|
+ (flags & GPIOF_INIT_HIGH) ? 1 : 0);
|
||
|
|
+
|
||
|
|
+ if (err)
|
||
|
|
+ gpio_free(gpio);
|
||
|
|
+
|
||
|
|
+ return err;
|
||
|
|
+}
|
||
|
|
+EXPORT_SYMBOL_GPL(gpio_request_one);
|
||
|
|
--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
|
||
|
|
+++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
|
||
|
|
@@ -19,6 +19,7 @@
|
||
|
|
extern int gpio_request(unsigned gpio, const char *label);
|
||
|
|
extern void gpio_free(unsigned gpio);
|
||
|
|
extern int gpio_to_irq(unsigned gpio);
|
||
|
|
+extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
|
||
|
|
|
||
|
|
static inline int gpio_get_value(unsigned gpio)
|
||
|
|
{
|