From: Michael Chan <mchan@broadcom.com>
Date: Fri, 21 Aug 2009 16:20:46 +0000 (+0000)
Subject: bnx2: Apply BROKEN_STATS workaround to 5706 and 5708.
X-Git-Tag: upstream/snapshot3+hdmi~17671^2~331
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=61d9e3fa7eacabfb7879e3da91709f1a5420c507;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

bnx2: Apply BROKEN_STATS workaround to 5706 and 5708.

Add flag to expand the workaround to both chips.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 1d502e6..085c2dd 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -4900,7 +4900,7 @@ bnx2_init_chip(struct bnx2 *bp)
 	REG_WR(bp, BNX2_HC_CMD_TICKS,
 	       (bp->cmd_ticks_int << 16) | bp->cmd_ticks);
 
-	if (CHIP_NUM(bp) == CHIP_NUM_5708)
+	if (bp->flags & BNX2_FLAG_BROKEN_STATS)
 		REG_WR(bp, BNX2_HC_STATS_TICKS, 0);
 	else
 		REG_WR(bp, BNX2_HC_STATS_TICKS, bp->stats_ticks);
@@ -6025,7 +6025,7 @@ bnx2_timer(unsigned long data)
 		bnx2_reg_rd_ind(bp, BNX2_FW_RX_DROP_COUNT);
 
 	/* workaround occasional corrupted counters */
-	if (CHIP_NUM(bp) == CHIP_NUM_5708 && bp->stats_ticks)
+	if ((bp->flags & BNX2_FLAG_BROKEN_STATS) && bp->stats_ticks)
 		REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd |
 					    BNX2_HC_COMMAND_STATS_NOW);
 
@@ -6941,7 +6941,7 @@ bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
 		0xff;
 
 	bp->stats_ticks = coal->stats_block_coalesce_usecs;
-	if (CHIP_NUM(bp) == CHIP_NUM_5708) {
+	if (bp->flags & BNX2_FLAG_BROKEN_STATS) {
 		if (bp->stats_ticks != 0 && bp->stats_ticks != USEC_PER_SEC)
 			bp->stats_ticks = USEC_PER_SEC;
 	}
@@ -7722,6 +7722,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 			rc = -EIO;
 			goto err_out_unmap;
 		}
+		bp->flags |= BNX2_FLAG_BROKEN_STATS;
 	}
 
 	if (CHIP_NUM(bp) == CHIP_NUM_5709 && CHIP_REV(bp) != CHIP_REV_Ax) {
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index f1edfaa..3c004b44 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -6718,6 +6718,7 @@ struct bnx2 {
 					 BNX2_FLAG_USING_MSIX)
 #define BNX2_FLAG_JUMBO_BROKEN		0x00000800
 #define BNX2_FLAG_CAN_KEEP_VLAN		0x00001000
+#define BNX2_FLAG_BROKEN_STATS		0x00002000
 
 	struct bnx2_napi	bnx2_napi[BNX2_MAX_MSIX_VEC];