linux-kernel - [PATCH 4.4 58/76] igb: add i211 to i210 PHY workaround

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Message-Id: <20170328122602.297364675@linuxfoundation.org>
Date:   Tue, 28 Mar 2017 14:30:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Todd Fujinaka <todd.fujinaka@...el.com>,
        Aaron Brown <aaron.f.brown@...el.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Sasha Levin <alexander.levin@...izon.com>,
        Sumit Semwal <sumit.semwal@...aro.org>
Subject: [PATCH 4.4 58/76] igb: add i211 to i210 PHY workaround

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sumit Semwal <sumit.semwal@...aro.org>


From: Todd Fujinaka <todd.fujinaka@...el.com>

[ Upstream commit 5bc8c230e2a993b49244f9457499f17283da9ec7 ]

i210 and i211 share the same PHY but have different PCI IDs. Don't
forget i211 for any i210 workarounds.

Signed-off-by: Todd Fujinaka <todd.fujinaka@...el.com>
Tested-by: Aaron Brown <aaron.f.brown@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sumit Semwal <sumit.semwal@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/intel/igb/e1000_phy.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/intel/igb/e1000_phy.c
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
@@ -78,7 +78,7 @@ s32 igb_get_phy_id(struct e1000_hw *hw)
 	u16 phy_id;
 
 	/* ensure PHY page selection to fix misconfigured i210 */
-	if (hw->mac.type == e1000_i210)
+	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211))
 		phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0);
 
 	ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id);