ravb: read MAC address registers only once
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Fri, 4 Dec 2015 21:58:07 +0000 (00:58 +0300)
committerDavid S. Miller <davem@davemloft.net>
Sun, 6 Dec 2015 03:45:55 +0000 (22:45 -0500)
commitd96606389720fff450955e2b5c81a3d5974c465c
tree4e892dfd9b45b6e0950d4951b09d4e598b7d049a
parent04f96468f78897099188185efda95fba9f371b7c
ravb: read MAC address registers only once

The code reading the MAHR/MALR registers in ravb_read_mac_address() is
terribly ineffective -- it reads  MAHR 4 times and MALR 2 times, while
it's enough to read each register only once. Use the local variables to
achieve that, somewhat beautifying the code while at it...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/renesas/ravb_main.c