From: <redacted>
Date: Tue, 30 Dec 2014 16:28:21 +0800

From: Shaohui Xie <redacted>

There is no need to set the clock speed in read/write which will be performed
unnecessarily for each mdio access. Init it during probe is enough.

Also, the hardcoded clock value is not a proper way for all SoCs.

Signed-off-by: Shaohui Xie <redacted>

Applied to net-next.