bnx2x: Fix compilation with no IOV support

This fixes an issue caused by submit 78c3bcc5
`bnx2x: Improve PF behaviour toward VF', which made the bnx2x driver fail
compilation when PCI_IOV is not set.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

@@ -5457,18 +5457,8 @@ static void bnx2x_timer(unsigned long data)
 		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
 
 	/* sample pf vf bulletin board for new posts from pf */
-	if (IS_VF(bp)) {
-		bnx2x_sample_bulletin(bp);
-
-		/* if channel is down we need to self destruct */
-		if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
-			smp_mb__before_clear_bit();
-			set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
-				&bp->sp_rtnl_state);
-			smp_mb__after_clear_bit();
-			schedule_delayed_work(&bp->sp_rtnl_task, 0);
-		}
-	}
+	if (IS_VF(bp))
+		bnx2x_timer_sriov(bp);
 
 	mod_timer(&bp->timer, jiffies + bp->current_interval);
 }

drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c

@@ -3426,6 +3426,20 @@ enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
 	return PFVF_BULLETIN_UPDATED;
 }
 
+void bnx2x_timer_sriov(struct bnx2x *bp)
+{
+	bnx2x_sample_bulletin(bp);
+
+	/* if channel is down we need to self destruct */
+	if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
+		smp_mb__before_clear_bit();
+		set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
+			&bp->sp_rtnl_state);
+		smp_mb__after_clear_bit();
+		schedule_delayed_work(&bp->sp_rtnl_task, 0);
+	}
+}
+
 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
 {
 	/* vf doorbells are embedded within the regview */

drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h

@@ -751,6 +751,7 @@ static inline int bnx2x_vf_ustorm_prods_offset(struct bnx2x *bp,
 }
 
 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp);
+void bnx2x_timer_sriov(struct bnx2x *bp);
 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp);
 int bnx2x_vf_pci_alloc(struct bnx2x *bp);
 int bnx2x_enable_sriov(struct bnx2x *bp);
@@ -809,6 +810,7 @@ static inline enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp
 {
 	return PFVF_BULLETIN_UNCHANGED;
 }
+static inline void bnx2x_timer_sriov(struct bnx2x *bp) {}
 
 static inline void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
 {