bnx2x: fix hw attention handling

commit f2eaeb58bf6995a979c413ea0cc73289533feacb upstream.

Use register name to initialize attention mask

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index 74be989..04976db 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -4138,7 +4138,7 @@
 	int igu_seg_id;
 	int port = BP_PORT(bp);
 	int func = BP_FUNC(bp);
-	int reg_offset;
+	int reg_offset, reg_offset_en5;
 	u64 section;
 	int index;
 	struct hc_sp_status_block_data sp_sb_data;
@@ -4161,6 +4161,8 @@
 
 	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
 			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
+	reg_offset_en5 = (port ? MISC_REG_AEU_ENABLE5_FUNC_1_OUT_0 :
+				 MISC_REG_AEU_ENABLE5_FUNC_0_OUT_0);
 	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
 		int sindex;
 		/* take care of sig[0]..sig[4] */
@@ -4175,7 +4177,7 @@
 			 * and not 16 between the different groups
 			 */
 			bp->attn_group[index].sig[4] = REG_RD(bp,
-					reg_offset + 0x10 + 0x4*index);
+					reg_offset_en5 + 0x4*index);
 		else
 			bp->attn_group[index].sig[4] = 0;
 	}