Commit 11d827a9 authored Jan 09, 2018 by Yangbo Lu Committed by David S. Miller Jan 10, 2018

net: gianfar_ptp: move set_fipers() to spinlock protecting area



set_fipers() calling should be protected by spinlock in
case that any interrupt breaks related registers setting
and the function we expect. This patch is to move set_fipers()
to spinlock protecting area in ptp_gianfar_adjtime().

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent e5143f86

drivers/net/ethernet/freescale/gianfar_ptp.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -319,11 +319,10 @@ static int ptp_gianfar_adjtime(struct ptp_clock_info *ptp, s64 delta)
		now = tmr_cnt_read(etsects);
		now += delta;
		tmr_cnt_write(etsects, now);
		set_fipers(etsects);

		spin_unlock_irqrestore(&etsects->lock, flags);

		set_fipers(etsects);

		return 0;
		}