[net-next v2 03/15] e1000e: Set HW FIFO minimum pointer gap for non-gig speeds
From: Jeff Kirsher <hidden>
Date: 2016-02-25 02:26:03
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Raanan Avargil <redacted> Based on feedback from HW team, the configured value of the internal PHY HW FIFO pointer gap was incorrect for non-gig speeds. This patch provides the correct configuration. Signed-off-by: Raanan Avargil <redacted> Tested-by: Aaron Brown <redacted> Signed-off-by: Jeff Kirsher <redacted> --- drivers/net/ethernet/intel/e1000e/ich8lan.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 786d214..e7ccf5f 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c@@ -1479,6 +1479,18 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) hw->phy.ops.release(hw); if (ret_val) return ret_val; + } else { + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = e1e_wphy_locked(hw, + PHY_REG(776, 20), + 0xC023); + hw->phy.ops.release(hw); + if (ret_val) + return ret_val; + } } }
--
2.5.0