nfp: calculate ring masks without conditionals

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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>

...

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Jakub Kicinski 2022-03-21 11:42:00 +01:00 • committed by David S. Miller

parent 4b45e07907

commit fc9769f62e

1 changed files with 4 additions and 4 deletions

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drivers/net/ethernet/netronome/nfp/nfp_net_common.c

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