Add new shutdown() method.  Use it in the standard driver model style.

Signed-off-by: Hsin-Hsiung Wang <redacted>
---
 drivers/spmi/spmi.c  | 12 ++++++++++++
 drivers/spmi/spmi.c  | 12 ++++++++++++
 include/linux/spmi.h |  1 +
 2 files changed, 13 insertions(+)

diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index c16b60f..5fde024 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c

@@ -357,6 +357,17 @@ static int spmi_drv_remove(struct device *dev)
        return 0;
 }

+static void spmi_drv_shutdown(struct device *dev)
+{
+       const struct spmi_driver *sdrv = to_spmi_driver(dev->driver);
+
+       if (!sdrv)
+               return;
+
+
+       if (sdrv->shutdown)
+               sdrv->shutdown(to_spmi_device(dev));

+}
+}
+
 static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
        int ret;

@@ -373,6 +384,7 @@ static struct bus_type spmi_bus_type = {

@@ -373,6 +384,7 @@ static struct bus_type spmi_bus_type = {
        .match          = spmi_device_match,
        .probe          = spmi_drv_probe,
        .remove         = spmi_drv_remove,
+       .shutdown       = spmi_drv_shutdown,
        .uevent         = spmi_drv_uevent,
 };

diff --git a/include/linux/spmi.h b/include/linux/spmi.h
index 394a3f6..729bcbf 100644
--- a/include/linux/spmi.h
+++ b/include/linux/spmi.h

@@ -138,6 +138,7 @@ struct spmi_driver {
        struct device_driver driver;
        int     (*probe)(struct spmi_device *sdev);
        void    (*remove)(struct spmi_device *sdev);
+       void    (*shutdown)(struct spmi_device *sdev);
 };

 static inline struct spmi_driver *to_spmi_driver(struct device_driver *d)
--

2.6.4