igbvf: Fix code comments and whitespace

Fix the code comments to align with the drivers/net/ commenting style.
Also fix other checkpatch errors such as using tabs where possible and
properly wrap lines to conform to the 80 char limit (unless it is
a string).

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.h b/drivers/net/ethernet/intel/igbvf/mbx.h
index 24370bc..f800bf8 100644
--- a/drivers/net/ethernet/intel/igbvf/mbx.h
+++ b/drivers/net/ethernet/intel/igbvf/mbx.h
@@ -13,8 +13,7 @@
   more details.
 
   You should have received a copy of the GNU General Public License along with
-  this program; if not, write to the Free Software Foundation, Inc.,
-  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+  this program; if not, see <http://www.gnu.org/licenses/>.
 
   The full GNU General Public License is included in this distribution in
   the file called "COPYING".
@@ -30,44 +29,44 @@
 
 #include "vf.h"
 
-#define E1000_V2PMAILBOX_REQ   0x00000001 /* Request for PF Ready bit */
-#define E1000_V2PMAILBOX_ACK   0x00000002 /* Ack PF message received */
-#define E1000_V2PMAILBOX_VFU   0x00000004 /* VF owns the mailbox buffer */
-#define E1000_V2PMAILBOX_PFU   0x00000008 /* PF owns the mailbox buffer */
-#define E1000_V2PMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
-#define E1000_V2PMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
-#define E1000_V2PMAILBOX_RSTI  0x00000040 /* PF has reset indication */
-#define E1000_V2PMAILBOX_RSTD  0x00000080 /* PF has indicated reset done */
+#define E1000_V2PMAILBOX_REQ	0x00000001 /* Request for PF Ready bit */
+#define E1000_V2PMAILBOX_ACK	0x00000002 /* Ack PF message received */
+#define E1000_V2PMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
+#define E1000_V2PMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
+#define E1000_V2PMAILBOX_PFSTS	0x00000010 /* PF wrote a message in the MB */
+#define E1000_V2PMAILBOX_PFACK	0x00000020 /* PF ack the previous VF msg */
+#define E1000_V2PMAILBOX_RSTI	0x00000040 /* PF has reset indication */
+#define E1000_V2PMAILBOX_RSTD	0x00000080 /* PF has indicated reset done */
 #define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
 
-#define E1000_VFMAILBOX_SIZE   16 /* 16 32 bit words - 64 bytes */
+#define E1000_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */
 
 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
  * PF.  The reverse is true if it is E1000_PF_*.
  * Message ACK's are the value or'd with 0xF0000000
  */
-#define E1000_VT_MSGTYPE_ACK      0x80000000  /* Messages below or'd with
-                                               * this are the ACK */
-#define E1000_VT_MSGTYPE_NACK     0x40000000  /* Messages below or'd with
-                                               * this are the NACK */
-#define E1000_VT_MSGTYPE_CTS      0x20000000  /* Indicates that VF is still
-                                                 clear to send requests */
+/* Messages below or'd with this are the ACK */
+#define E1000_VT_MSGTYPE_ACK	0x80000000
+/* Messages below or'd with this are the NACK */
+#define E1000_VT_MSGTYPE_NACK	0x40000000
+/* Indicates that VF is still clear to send requests */
+#define E1000_VT_MSGTYPE_CTS	0x20000000
 
 /* We have a total wait time of 1s for vf mailbox posted messages */
-#define E1000_VF_MBX_INIT_TIMEOUT 2000 /* retry count for mailbox timeout */
-#define E1000_VF_MBX_INIT_DELAY   500  /* usec delay between retries */
+#define E1000_VF_MBX_INIT_TIMEOUT	2000 /* retry count for mbx timeout */
+#define E1000_VF_MBX_INIT_DELAY		500  /* usec delay between retries */
 
-#define E1000_VT_MSGINFO_SHIFT    16
+#define E1000_VT_MSGINFO_SHIFT	16
 /* bits 23:16 are used for exra info for certain messages */
-#define E1000_VT_MSGINFO_MASK     (0xFF << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VT_MSGINFO_MASK	(0xFF << E1000_VT_MSGINFO_SHIFT)
 
-#define E1000_VF_RESET            0x01 /* VF requests reset */
-#define E1000_VF_SET_MAC_ADDR     0x02 /* VF requests PF to set MAC addr */
-#define E1000_VF_SET_MULTICAST    0x03 /* VF requests PF to set MC addr */
-#define E1000_VF_SET_VLAN         0x04 /* VF requests PF to set VLAN */
-#define E1000_VF_SET_LPE          0x05 /* VF requests PF to set VMOLR.LPE */
+#define E1000_VF_RESET		0x01 /* VF requests reset */
+#define E1000_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
+#define E1000_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
+#define E1000_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
+#define E1000_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
 
-#define E1000_PF_CONTROL_MSG      0x0100 /* PF control message */
+#define E1000_PF_CONTROL_MSG	0x0100 /* PF control message */
 
 void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
 s32 e1000_init_mbx_params_vf(struct e1000_hw *);