Revision 81a95f049962ec20a9aed888e676208b206f0f2e authored by Timo Teräs on 10 June 2010, 00:31:48 UTC, committed by David S. Miller on 10 June 2010, 00:31:48 UTC
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>
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