From mboxrd@z Thu Jan 1 00:00:00 1970 From: Divy Le Ray Subject: [PATCH net-next-2.6] cxgb3: fix 2 ports 1G regression Date: Wed, 05 Aug 2009 14:59:23 -0700 Message-ID: <20090805215923.21467.99484.stgit@speedy5> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, swise@opengridcomputing.com To: davem@davemloft.net Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Divy Le Ray commit 88045b3cf0f8981129cb489c7b6bc36c21dd33a7 cxgb3: fix mac index mapping Override the mac index computation for the gen2 adapter, as each port is expected to use index 0. introduces a regression on 2 port 1G adapter as its xauicfg vpd value is null. Add a check on the device id. Signed-off-by: Divy Le Ray --- drivers/net/cxgb3/t3_hw.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 526e144..032cfe0 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -3692,8 +3692,12 @@ static void mc7_prep(struct adapter *adapter, struct mc7 *mc7, void mac_prep(struct cmac *mac, struct adapter *adapter, int index) { + u16 devid; + mac->adapter = adapter; - if (!adapter->params.vpd.xauicfg[1]) + pci_read_config_word(adapter->pdev, 0x2, &devid); + + if (devid == 0x37 && !adapter->params.vpd.xauicfg[1]) index = 0; mac->offset = (XGMAC0_1_BASE_ADDR - XGMAC0_0_BASE_ADDR) * index; mac->nucast = 1;