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path: root/drivers/net/ethernet/freescale/fec_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fec_ptp.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_ptp.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c
index 181d9bfbee..2e4f3e1782 100644
--- a/drivers/net/ethernet/freescale/fec_ptp.c
+++ b/drivers/net/ethernet/freescale/fec_ptp.c
@@ -104,14 +104,13 @@ static int fec_ptp_enable_pps(struct fec_enet_private *fep, uint enable)
struct timespec64 ts;
u64 ns;
- if (fep->pps_enable == enable)
- return 0;
-
- fep->pps_channel = DEFAULT_PPS_CHANNEL;
- fep->reload_period = PPS_OUPUT_RELOAD_PERIOD;
-
spin_lock_irqsave(&fep->tmreg_lock, flags);
+ if (fep->pps_enable == enable) {
+ spin_unlock_irqrestore(&fep->tmreg_lock, flags);
+ return 0;
+ }
+
if (enable) {
/* clear capture or output compare interrupt status if have.
*/
@@ -532,6 +531,9 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp,
int ret = 0;
if (rq->type == PTP_CLK_REQ_PPS) {
+ fep->pps_channel = DEFAULT_PPS_CHANNEL;
+ fep->reload_period = PPS_OUPUT_RELOAD_PERIOD;
+
ret = fec_ptp_enable_pps(fep, on);
return ret;
@@ -773,6 +775,9 @@ void fec_ptp_stop(struct platform_device *pdev)
struct net_device *ndev = platform_get_drvdata(pdev);
struct fec_enet_private *fep = netdev_priv(ndev);
+ if (fep->pps_enable)
+ fec_ptp_enable_pps(fep, 0);
+
cancel_delayed_work_sync(&fep->time_keep);
hrtimer_cancel(&fep->perout_timer);
if (fep->ptp_clock)