mlxsw: spectrum: 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>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -2786,7 +2786,9 @@ static const struct mlxsw_sp_ptp_ops mlxsw_sp1_ptp_ops = {
 	.hwtstamp_get	= mlxsw_sp1_ptp_hwtstamp_get,
 	.hwtstamp_set	= mlxsw_sp1_ptp_hwtstamp_set,
 	.shaper_work	= mlxsw_sp1_ptp_shaper_work,
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
 	.get_ts_info	= mlxsw_sp1_ptp_get_ts_info,
+#endif
 	.get_stats_count = mlxsw_sp1_get_stats_count,
 	.get_stats_strings = mlxsw_sp1_get_stats_strings,
 	.get_stats	= mlxsw_sp1_get_stats,
@@ -2803,7 +2805,9 @@ static const struct mlxsw_sp_ptp_ops mlxsw_sp2_ptp_ops = {
 	.hwtstamp_get	= mlxsw_sp2_ptp_hwtstamp_get,
 	.hwtstamp_set	= mlxsw_sp2_ptp_hwtstamp_set,
 	.shaper_work	= mlxsw_sp2_ptp_shaper_work,
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
 	.get_ts_info	= mlxsw_sp2_ptp_get_ts_info,
+#endif
 	.get_stats_count = mlxsw_sp2_get_stats_count,
 	.get_stats_strings = mlxsw_sp2_get_stats_strings,
 	.get_stats	= mlxsw_sp2_get_stats,
@@ -2820,7 +2824,9 @@ static const struct mlxsw_sp_ptp_ops mlxsw_sp4_ptp_ops = {
 	.hwtstamp_get	= mlxsw_sp2_ptp_hwtstamp_get,
 	.hwtstamp_set	= mlxsw_sp2_ptp_hwtstamp_set,
 	.shaper_work	= mlxsw_sp2_ptp_shaper_work,
+#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
 	.get_ts_info	= mlxsw_sp2_ptp_get_ts_info,
+#endif
 	.get_stats_count = mlxsw_sp2_get_stats_count,
 	.get_stats_strings = mlxsw_sp2_get_stats_strings,
 	.get_stats	= mlxsw_sp2_get_stats,

drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.h

@@ -11,14 +11,6 @@ struct mlxsw_sp;
 struct mlxsw_sp_port;
 struct mlxsw_sp_ptp_clock;
 
-static inline int mlxsw_sp_ptp_get_ts_info_noptp(struct kernel_ethtool_ts_info *info)
-{
-	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
-				SOF_TIMESTAMPING_SOFTWARE;
-	info->phc_index = -1;
-	return 0;
-}
-
 #if IS_REACHABLE(CONFIG_PTP_1588_CLOCK)
 
 struct mlxsw_sp_ptp_clock *
@@ -151,12 +143,6 @@ static inline void mlxsw_sp1_ptp_shaper_work(struct work_struct *work)
 {
 }
 
-static inline int mlxsw_sp1_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
-					    struct kernel_ethtool_ts_info *info)
-{
-	return mlxsw_sp_ptp_get_ts_info_noptp(info);
-}
-
 static inline int mlxsw_sp1_get_stats_count(void)
 {
 	return 0;
@@ -226,12 +212,6 @@ mlxsw_sp2_ptp_hwtstamp_set(struct mlxsw_sp_port *mlxsw_sp_port,
 	return -EOPNOTSUPP;
 }
 
-static inline int mlxsw_sp2_ptp_get_ts_info(struct mlxsw_sp *mlxsw_sp,
-					    struct kernel_ethtool_ts_info *info)
-{
-	return mlxsw_sp_ptp_get_ts_info_noptp(info);
-}
-
 static inline int
 mlxsw_sp2_ptp_txhdr_construct(struct mlxsw_core *mlxsw_core,
 			      struct mlxsw_sp_port *mlxsw_sp_port,