tg3: shows HW time stamping support only if ptp_capable is present

Current tg3 shows hardware timestamping support for all devices
when that is true only for the hardware with PTP_CAPABLE flag
present.

Signed-off-by: Flavio Leitner <fbl@redhat.com>
Acked-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index ac83c87e0b1b..ef0b8a653155 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -5992,10 +5992,13 @@ static int tg3_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
 
         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
                                 SOF_TIMESTAMPING_RX_SOFTWARE |
-                                SOF_TIMESTAMPING_SOFTWARE    |
-                                SOF_TIMESTAMPING_TX_HARDWARE |
-                                SOF_TIMESTAMPING_RX_HARDWARE |
-                                SOF_TIMESTAMPING_RAW_HARDWARE;
+                                SOF_TIMESTAMPING_SOFTWARE;
+
+        if (tg3_flag(tp, PTP_CAPABLE)) {
+                info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+                                        SOF_TIMESTAMPING_RX_HARDWARE |
+                                        SOF_TIMESTAMPING_RAW_HARDWARE;
+        }
 
         if (tp->ptp_clock)
                 info->phc_index = ptp_clock_index(tp->ptp_clock);