[PATCH 7/7] em: Add magic delay for HP elitebook 820 G3

[Stefan Fritsch]

Add another magic 1ms delay that seems to help with some remaining
issues on an HP elitebook 820 G3 with i219LM. A printf() at the same
place helps, too.
---
 sys/dev/pci/if_em_hw.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git sys/dev/pci/if_em_hw.c sys/dev/pci/if_em_hw.c
index 7709a4c5805..d122e727875 100644
--- sys/dev/pci/if_em_hw.c
+++ sys/dev/pci/if_em_hw.c
@@ -1493,6 +1493,8 @@ em_init_hw(struct em_hw *hw)
        /* Set the media type and TBI compatibility */
        em_set_media_type(hw);
 
+       /* Magic delay that improves problems with i219LM on HP Elitebook */
+       msec_delay(1);
        /* Must be called after em_set_media_type because media_type is used */
        em_initialize_hardware_bits(hw);
 
-- 
2.13.0