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(parent: d966063) | patch
sh_eth: read MAC address registers only once
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Fri, 4 Dec 2015 21:58:57 +0000 (00:58 +0300)
committerDavid S. Miller <davem@davemloft.net>
Sun, 6 Dec 2015 03:45:56 +0000 (22:45 -0500)
commit37742f028b301205c2b658c16bafbee7552035d0
tree9cc1e4fa08f87b2c7cdc1ac169a0136074b871ectree | snapshot
parentd96606389720fff450955e2b5c81a3d5974c465ccommit | diff
sh_eth: read MAC address registers only once

The code reading the MAHR/MALR registers in 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/sh_eth.c diff | blob | history
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