ARM: sa1111: add shutdown hook to sa1111_driver structure
Add a shutdown hook to the sa1111_driver structure to allow drivers
to be notified of system reboots and shutdowns.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index b64a336..b0f9362 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -1348,6 +1348,14 @@
return ret;
}
+static void sa1111_bus_shutdown(struct device *dev)
+{
+ struct sa1111_driver *drv = SA1111_DRV(dev->driver);
+
+ if (drv && drv->shutdown)
+ drv->shutdown(SA1111_DEV(dev));
+}
+
static int sa1111_bus_probe(struct device *dev)
{
struct sa1111_dev *sadev = SA1111_DEV(dev);
@@ -1377,6 +1385,7 @@
.remove = sa1111_bus_remove,
.suspend = sa1111_bus_suspend,
.resume = sa1111_bus_resume,
+ .shutdown = sa1111_bus_shutdown,
};
EXPORT_SYMBOL(sa1111_bus_type);
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 92ed254..29e320f 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -548,6 +548,7 @@
int (*remove)(struct sa1111_dev *);
int (*suspend)(struct sa1111_dev *, pm_message_t);
int (*resume)(struct sa1111_dev *);
+ void (*shutdown)(struct sa1111_dev *);
};
#define SA1111_DRV(_d) container_of((_d), struct sa1111_driver, drv)