net/e1000/base: increase LANPHYPC low duration

LANPHYPC low duration of 10 usec was too low for some corner cases
causing interface mismatches during Ultra Low Power (ULP) exit.

This patch increases the LANPHYPC low duration to 1 msec.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

diff --git a/drivers/net/e1000/base/e1000_ich8lan.c b/drivers/net/e1000/base/e1000_ich8lan.c
index 212526fd55de99a78120c579f5df3bcfdbb68dff..0ac982c957ae861da2e5290d06d31ade7fb0bd9f 100644 (file)
--- a/drivers/net/e1000/base/e1000_ich8lan.c
+++ b/drivers/net/e1000/base/e1000_ich8lan.c
@@ -277,7 +277,7 @@ STATIC void e1000_toggle_lanphypc_pch_lpt(struct e1000_hw *hw)
        mac_reg &= ~E1000_CTRL_LANPHYPC_VALUE;
        E1000_WRITE_REG(hw, E1000_CTRL, mac_reg);
        E1000_WRITE_FLUSH(hw);
-       usec_delay(10);
+       msec_delay(1);
        mac_reg &= ~E1000_CTRL_LANPHYPC_OVERRIDE;
        E1000_WRITE_REG(hw, E1000_CTRL, mac_reg);
        E1000_WRITE_FLUSH(hw);