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(parent: 9549948) | patch
nfp: calculate ring masks without conditionals
authorJakub Kicinski <jakub.kicinski@netronome.com>
Mon, 21 Mar 2022 10:42:00 +0000 (11:42 +0100)
committerDavid S. Miller <davem@davemloft.net>
Mon, 21 Mar 2022 13:21:16 +0000 (13:21 +0000)
commit6981401f675ab64f83148f0f85fe44199f709b61
treea17f96acf1874e6922eb4df161d5add169fb2de8tree | snapshot
parent9549948702cd4165068d412884a53ed8163ae31fcommit | diff
nfp: calculate ring masks without conditionals

Ring enable masks are 64bit long.  Replace mask calculation from:
  block_cnt == 64 ? 0xffffffffffffffffULL : (1 << block_cnt) - 1
with:
  (U64_MAX >> (64 - block_cnt))
to simplify the code.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Fei Qin <fei.qin@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/netronome/nfp/nfp_net_common.c diff | blob | history
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