net: fec: reduce spin lock time in fec_ptp_adjfreq

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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>

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Frank Li 2012-11-06 20:14:49 +00:00 • committed by David S. Miller

parent 0f2f7a40f9

commit 7da716aee2

1 changed files with 6 additions and 8 deletions

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14

drivers/net/ethernet/freescale/fec_ptp.c

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