diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2_tai.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2_tai.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_tai.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_tai.c index 95862aff49f1..6b60beb1f3ed 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_tai.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_tai.c @@ -54,6 +54,7 @@ #define TCSR_CAPTURE_0_VALID BIT(0) struct mvpp2_tai { + struct device *dev; struct ptp_clock_info caps; struct ptp_clock *ptp_clock; void __iomem *base; @@ -303,7 +304,8 @@ static long mvpp22_tai_aux_work(struct ptp_clock_info *ptp) { struct mvpp2_tai *tai = ptp_to_tai(ptp); - mvpp22_tai_gettimex64(ptp, &tai->stamp, NULL); + if (mvpp22_tai_gettimex64(ptp, &tai->stamp, NULL) < 0) + dev_warn_once(tai->dev, "PTP timestamps are unreliable"); return msecs_to_jiffies(2000); } @@ -401,6 +403,7 @@ int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv) spin_lock_init(&tai->lock); + tai->dev = dev; tai->base = priv->iface_base; /* The step size consists of three registers - a 16-bit nanosecond step |