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Subject[v2] net: gianfar_ptp: move set_fipers() to spinlock protecting area
Date
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>
---
Changes for v2:
- explained why spinlock was needed in commit message.
---
drivers/net/ethernet/freescale/gianfar_ptp.c | 3 +--
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 5441142..9f8d4f8 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;
}

--
1.7.1
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