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>

diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 544114281ea754fc9c2221b8aa2f2b8d3ef842f6..9f8d4f8e57e30fa09ca1e8af3aa0d6a017633c1d 100644 (file)
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -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;
 }