net: mscc: ocelot: Remove setting of RX software timestamp

The responsibility for reporting of RX software timestamp has moved to
the core layer (see __ethtool_get_ts_info()), remove usage from the
device drivers.
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Gal Pressman <gal@nvidia.com>
Link: https://patch.msgid.link/20240906144632.404651-11-gal@nvidia.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mscc/ocelot_ptp.c

@@ -582,17 +582,13 @@ EXPORT_SYMBOL(ocelot_hwstamp_set);
 int ocelot_get_ts_info(struct ocelot *ocelot, int port,
 		       struct kernel_ethtool_ts_info *info)
 {
-	info->phc_index = ocelot->ptp_clock ?
-			  ptp_clock_index(ocelot->ptp_clock) : -1;
-	if (info->phc_index == -1) {
-		info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE |
-					 SOF_TIMESTAMPING_RX_SOFTWARE |
-					 SOF_TIMESTAMPING_SOFTWARE;
+	if (ocelot->ptp_clock) {
+		info->phc_index = ptp_clock_index(ocelot->ptp_clock);
+	} else {
+		info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE;
 		return 0;
 	}
 	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;