tree 6084276117d85d181044d65bc1dd9c691cb11694
parent ebedb22d2bacdcf577348eae77ab8f27c9db8ee8
author Timo Teräs <timo.teras@iki.fi> 1276129908 -0700
committer David S. Miller <davem@davemloft.net> 1276129908 -0700

r8169: fix mdio_read and update mdio_write according to hw specs

Realtek confirmed that a 20us delay is needed after mdio_read and
mdio_write operations. Reduce the delay in mdio_write, and add it
to mdio_read too. Also add a comment that the 20us is from hw specs.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>