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(parent: daa9f4e) | patch
net: systemport: only update UMAC_CMD if something changed
authorFlorian Fainelli <f.fainelli@gmail.com>
Thu, 15 May 2014 02:32:13 +0000 (19:32 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 15 May 2014 20:48:38 +0000 (16:48 -0400)
commit1309dc0864eb157f3bb7dcd8a27b3bc97d95b472
treec1ef1b747ba159966baa2177b519ce8c0395b9a5tree | snapshot
parentdaa9f4e49e96c6d106e6b164448427225afcd0b1commit | diff
net: systemport: only update UMAC_CMD if something changed

The link adjustment callback can be called as frequently as desired by
the PHY library, as such, let's avoid doing a Read/Modify/Write sequence
if nothing changed, which is more than likely since we are interfaced
with a switch device.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bcmsysport.c diff | blob | history
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