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net: fec: reduce spin lock time in fec_ptp_adjfreq
authorFrank Li <Frank.Li@freescale.com>
Tue, 6 Nov 2012 20:14:49 +0000 (20:14 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 7 Nov 2012 23:52:12 +0000 (18:52 -0500)
commit7da716aee2532399e213a14f656d304098f67a11
tree7d294e94fc51a1b7e7ab1d9f7822d50e74670f6dtree | snapshot
parent0f2f7a40f9ae91b9e837c3cd2cacd7f46c168eb1commit | diff
net: fec: reduce spin lock time in fec_ptp_adjfreq

move below calculate out of spin lock section
diff = fep->cc.mult;
diff *= ppb;
diff = div_u64(diff, 1000000000ULL);

diff is local variable and not neccesary in spin lock

Signed-off-by: Frank Li <Frank.Li@freescale.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/freescale/fec_ptp.c diff | blob | history
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