[PATCH v2 15/54] net/e1000/base: increase PHY power up delay

[Anatoly Burakov]

From: Sasha Neftin <sasha.neftin at intel.com>

PHY specification for i225 requires 300 microsecond delay after power up
sequence, so increase the delay after power up to 300 microseconds.

Signed-off-by: Sasha Neftin <sasha.neftin at intel.com>
Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
 drivers/net/intel/e1000/base/e1000_phy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/intel/e1000/base/e1000_phy.c b/drivers/net/intel/e1000/base/e1000_phy.c
index 6e8f4ff4ea..eb0c6d7c53 100644
--- a/drivers/net/intel/e1000/base/e1000_phy.c
+++ b/drivers/net/intel/e1000/base/e1000_phy.c
@@ -3568,6 +3568,7 @@ void e1000_power_up_phy_copper(struct e1000_hw *hw)
 	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);
 	mii_reg &= ~MII_CR_POWER_DOWN;
 	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);
+	usec_delay(300);
 }
 
 /**
-- 
2.43.5