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authorDavid S. Miller <davem@davemloft.net>2009-06-15 03:02:23 -0700
committerDavid S. Miller <davem@davemloft.net>2009-06-15 03:02:23 -0700
commit9cbc1cb8cd46ce1f7645b9de249b2ce8460129bb (patch)
tree8d104ec2a459346b99413b0b77421ca7b9936c1a /arch/arm/plat-s3c/include/plat/gpio-core.h
parentca44d6e60f9de26281fda203f58b570e1748c015 (diff)
parent45e3e1935e2857c54783291107d33323b3ef33c8 (diff)
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/feature-removal-schedule.txt drivers/scsi/fcoe/fcoe.c net/core/drop_monitor.c net/core/net-traces.c
Diffstat (limited to 'arch/arm/plat-s3c/include/plat/gpio-core.h')
-rw-r--r--arch/arm/plat-s3c/include/plat/gpio-core.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-s3c/include/plat/gpio-core.h
index 2fc60a5..32af612 100644
--- a/arch/arm/plat-s3c/include/plat/gpio-core.h
+++ b/arch/arm/plat-s3c/include/plat/gpio-core.h
@@ -20,6 +20,18 @@
* specific code.
*/
+struct s3c_gpio_chip;
+
+/**
+ * struct s3c_gpio_pm - power management (suspend/resume) information
+ * @save: Routine to save the state of the GPIO block
+ * @resume: Routine to resume the GPIO block.
+ */
+struct s3c_gpio_pm {
+ void (*save)(struct s3c_gpio_chip *chip);
+ void (*resume)(struct s3c_gpio_chip *chip);
+};
+
struct s3c_gpio_cfg;
/**
@@ -27,6 +39,7 @@ struct s3c_gpio_cfg;
* @chip: The chip structure to be exported via gpiolib.
* @base: The base pointer to the gpio configuration registers.
* @config: special function and pull-resistor control information.
+ * @pm_save: Save information for suspend/resume support.
*
* This wrapper provides the necessary information for the Samsung
* specific gpios being registered with gpiolib.
@@ -34,7 +47,11 @@ struct s3c_gpio_cfg;
struct s3c_gpio_chip {
struct gpio_chip chip;
struct s3c_gpio_cfg *config;
+ struct s3c_gpio_pm *pm;
void __iomem *base;
+#ifdef CONFIG_PM
+ u32 pm_save[4];
+#endif
};
static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc)
@@ -75,3 +92,16 @@ static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip)
static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { }
#endif
+
+#ifdef CONFIG_PM
+extern struct s3c_gpio_pm s3c_gpio_pm_1bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_2bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_4bit;
+#define __gpio_pm(x) x
+#else
+#define s3c_gpio_pm_1bit NULL
+#define s3c_gpio_pm_2bit NULL
+#define s3c_gpio_pm_4bit NULL
+#define __gpio_pm(x) NULL
+
+#endif /* CONFIG_PM */