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authorYangbo Lu <yangbo.lu@nxp.com>2018-01-09 11:02:33 +0800
committerDavid S. Miller <davem@davemloft.net>2018-01-10 14:54:13 -0500
commit11d827a993a969c3c6ec56758ff63a44ba19b466 (patch)
treeb8d6a0a308cf17fa083bd8dd27bd6c508e00ccd4 /drivers/net/ethernet/freescale
parente5143f863c92f9f37b0977e482d6c78e74500f3b (diff)
downloadlinux-11d827a993a969c3c6ec56758ff63a44ba19b466.tar.bz2
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>
Diffstat (limited to 'drivers/net/ethernet/freescale')
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ptp.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 544114281ea7..9f8d4f8e57e3 100644
--- 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;
}