net: systemport: Simplify circular pointer arithmetic
authorFlorian Fainelli <f.fainelli@gmail.com>
Thu, 23 Mar 2017 17:36:48 +0000 (10:36 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 24 Mar 2017 19:53:15 +0000 (12:53 -0700)
commite9d7af78b22e766a72ddb956a87789249a30a470
tree4b8100955fdfe8f41a3666eaac1f540615746772
parent6baa785a9c336f69c2aa36f4949856b3bb90bde3
net: systemport: Simplify circular pointer arithmetic

Similar to c298ede2fe21 ("net: bcmgenet: simplify circular pointer
arithmetic") we don't need to complex arthimetic since we always have a
ring size that is a power of 2.

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