net/fec: enable flow control and length check on enet-mac

Also optimize not to reread the value written to FEC_R_CNTRL.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2011-01-25 22:11:25 +01:00
commit cd1f402c18