From: K. Y. Srinivasan <kys@microsoft.com>
Date: Tue, 26 Apr 2011 16:20:21 +0000 (-0700)
Subject: Staging: hv: Introduce a function to map a generic driver pointer to a pointer to... 
X-Git-Tag: v3.0-rc1~336^2~631
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9f838864bdfaa98fa1ad4f69350e7c249e210a41;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

Staging: hv: Introduce a function to map a generic driver pointer to a pointer to struct netvsc_driver

In preparation for getting rid of the priv element from struct hv_driver,
introduce a function to map a generic driver pointer to a pointer to
struct netvsc_driver.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/hv/netvsc_api.h b/drivers/staging/hv/netvsc_api.h
index b4bed36..48b512b 100644
--- a/drivers/staging/hv/netvsc_api.h
+++ b/drivers/staging/hv/netvsc_api.h
@@ -26,6 +26,7 @@
 #define _NETVSC_API_H_
 
 #include "vmbus_api.h"
+#include "vmbus.h"
 
 /* Fwd declaration */
 struct hv_netvsc_packet;
@@ -103,6 +104,13 @@ struct netvsc_driver {
 	void *ctx;
 };
 
+static inline
+struct netvsc_driver *drv_to_netvscdrv(struct device_driver *d)
+{
+	struct hv_driver *hvdrv = drv_to_hv_drv(d);
+	return container_of(hvdrv, struct netvsc_driver, base);
+}
+
 struct netvsc_device_info {
 	unsigned char mac_adr[6];
 	bool link_state;	/* 0 - link up, 1 - link down */