Staging: hv: remove GetChannelInfo from struct vmbus_driver

It was only set to one value, so just make the call to
get_channel_info() directly.

Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/vmbus.c

@@ -262,7 +262,6 @@ int VmbusInitialize(struct hv_driver *drv)
 	driver->OnMsgDpc		= VmbusOnMsgDPC;
 	driver->OnEventDpc		= VmbusOnEventDPC;
 	driver->GetChannelOffers	= VmbusGetChannelOffers;
-	driver->GetChannelInfo		= get_channel_info;
 
 	/* Hypervisor initialization...setup hypercall page..etc */
 	ret = HvInit();

drivers/staging/hv/vmbus_api.h

@@ -183,9 +183,6 @@ struct vmbus_driver {
 	void (*OnMsgDpc)(struct hv_driver *driver);
 	void (*OnEventDpc)(struct hv_driver *driver);
 	void (*GetChannelOffers)(void);
-
-	void (*GetChannelInfo)(struct hv_device *dev,
-			       struct hv_device_info *devinfo);
 };
 
 int VmbusInitialize(struct hv_driver *drv);

drivers/staging/hv/vmbus_drv.c

@@ -32,6 +32,7 @@
 #include "osd.h"
 #include "logging.h"
 #include "vmbus.h"
+#include "channel_interface.h"
 
 
 /* FIXME! We need to do this dynamically for PIC and APIC system */
@@ -470,9 +471,7 @@ EXPORT_SYMBOL(vmbus_get_interface);
 static void vmbus_child_device_get_info(struct hv_device *device_obj,
 					struct hv_device_info *device_info)
 {
-	struct vmbus_driver *vmbus_drv_obj = &g_vmbus_drv.drv_obj;
-
-	vmbus_drv_obj->GetChannelInfo(device_obj, device_info);
+	get_channel_info(device_obj, device_info);
 }
 
 /*