linux-kernel - [PATCH 3/7] cxgb3 - Fix direct XAUI support

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Message-ID: <20070526225958.12133.84586.stgit@localhost.localdomain>
Date:	Sat, 26 May 2007 15:59:58 -0700
From:	divy@...lsio.com
To:	jeff@...zik.org
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	swise@...ngridcomputing.com
Subject: [PATCH 3/7] cxgb3 - Fix direct XAUI support

From: Divy Le Ray <divy@...lsio.com>

Check all lanes for link status on direct XAUI cards.
Don't assume that direct XAUI always uses XGMAC 1.

Signed-off-by: Divy Le Ray <divy@...lsio.com>
---

 drivers/net/cxgb3/ael1002.c |   10 ++++++++--
 drivers/net/cxgb3/regs.h    |    2 ++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c
index 73a41e6..ee140e6 100644
--- a/drivers/net/cxgb3/ael1002.c
+++ b/drivers/net/cxgb3/ael1002.c
@@ -219,7 +219,13 @@ static int xaui_direct_get_link_status(s
 		unsigned int status;
 
 		status = t3_read_reg(phy->adapter,
-				     XGM_REG(A_XGM_SERDES_STAT0, phy->addr));
+				     XGM_REG(A_XGM_SERDES_STAT0, phy->addr)) |
+		    t3_read_reg(phy->adapter,
+				XGM_REG(A_XGM_SERDES_STAT1, phy->addr)) |
+		    t3_read_reg(phy->adapter,
+				XGM_REG(A_XGM_SERDES_STAT2, phy->addr)) |
+		    t3_read_reg(phy->adapter,
+				XGM_REG(A_XGM_SERDES_STAT3, phy->addr));
 		*link_ok = !(status & F_LOWSIG0);
 	}
 	if (speed)
@@ -247,5 +253,5 @@ static struct cphy_ops xaui_direct_ops =
 void t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
 			     int phy_addr, const struct mdio_ops *mdio_ops)
 {
-	cphy_init(phy, adapter, 1, &xaui_direct_ops, mdio_ops);
+	cphy_init(phy, adapter, phy_addr, &xaui_direct_ops, mdio_ops);
 }
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index e5a5534..bf9d6be 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -2128,6 +2128,8 @@
 #define F_RESETPLL01    V_RESETPLL01(1U)
 
 #define A_XGM_SERDES_STAT0 0x8f0
+#define A_XGM_SERDES_STAT1 0x8f4
+#define A_XGM_SERDES_STAT2 0x8f8
 
 #define S_LOWSIG0    0
 #define V_LOWSIG0(x) ((x) << S_LOWSIG0)
-
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