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authorJens Axboe <axboe@kernel.dk>2024-05-11 08:25:55 -0600
committerJens Axboe <axboe@kernel.dk>2024-05-11 08:25:55 -0600
commitfe6532b44af402d0900c5be3e5359f4b293524b1 (patch)
tree6cd3f9e365f14126b69979b85df2cf458f4bb23b /drivers/net/ethernet/intel/ice/ice_ptp.c
parentad1978dbbd827c1a1a7d22d9cc9ba71989dae48a (diff)
parentcddd2dc6390b90e62cec2768424d1d90f6d04161 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next into net-accept-more
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1557 commits) net: qede: use extack in qede_parse_actions() net: qede: propagate extack through qede_flow_spec_validate() net: qede: use faked extack in qede_flow_spec_to_rule() net: qede: use extack in qede_parse_flow_attr() net: qede: add extack in qede_add_tc_flower_fltr() net: qede: use extack in qede_flow_parse_udp_v4() net: qede: use extack in qede_flow_parse_udp_v6() net: qede: use extack in qede_flow_parse_tcp_v4() net: qede: use extack in qede_flow_parse_tcp_v6() net: qede: use extack in qede_flow_parse_v4_common() net: qede: use extack in qede_flow_parse_v6_common() net: qede: use extack in qede_set_v4_tuple_to_profile() net: qede: use extack in qede_set_v6_tuple_to_profile() net: qede: use extack in qede_flow_parse_ports() net: usb: smsc95xx: stop lying about skb->truesize net: dsa: microchip: Fix spellig mistake "configur" -> "configure" af_unix: Add dead flag to struct scm_fp_list. net: ethernet: adi: adin1110: Replace linux/gpio.h by proper one octeontx2-pf: Reuse Transmit queue/Send queue index of HTB class gve: Use ethtool_sprintf/puts() to fill stats strings ...
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ptp.c33
1 files changed, 4 insertions, 29 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index c11eba07283c..0f17fc1181d2 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -374,6 +374,7 @@ ice_ptp_read_src_clk_reg(struct ice_pf *pf, struct ptp_system_timestamp *sts)
u8 tmr_idx;
tmr_idx = ice_get_ptp_src_clock_index(hw);
+ guard(spinlock)(&pf->adapter->ptp_gltsyn_time_lock);
/* Read the system timestamp pre PHC read */
ptp_read_system_prets(sts);
@@ -1166,26 +1167,6 @@ static void ice_ptp_reset_cached_phctime(struct ice_pf *pf)
}
/**
- * ice_ptp_read_time - Read the time from the device
- * @pf: Board private structure
- * @ts: timespec structure to hold the current time value
- * @sts: Optional parameter for holding a pair of system timestamps from
- * the system clock. Will be ignored if NULL is given.
- *
- * This function reads the source clock registers and stores them in a timespec.
- * However, since the registers are 64 bits of nanoseconds, we must convert the
- * result to a timespec before we can return.
- */
-static void
-ice_ptp_read_time(struct ice_pf *pf, struct timespec64 *ts,
- struct ptp_system_timestamp *sts)
-{
- u64 time_ns = ice_ptp_read_src_clk_reg(pf, sts);
-
- *ts = ns_to_timespec64(time_ns);
-}
-
-/**
* ice_ptp_write_init - Set PHC time to provided value
* @pf: Board private structure
* @ts: timespec structure that holds the new time value
@@ -1925,16 +1906,10 @@ ice_ptp_gettimex64(struct ptp_clock_info *info, struct timespec64 *ts,
struct ptp_system_timestamp *sts)
{
struct ice_pf *pf = ptp_info_to_pf(info);
- struct ice_hw *hw = &pf->hw;
-
- if (!ice_ptp_lock(hw)) {
- dev_err(ice_pf_to_dev(pf), "PTP failed to get time\n");
- return -EBUSY;
- }
-
- ice_ptp_read_time(pf, ts, sts);
- ice_ptp_unlock(hw);
+ u64 time_ns;
+ time_ns = ice_ptp_read_src_clk_reg(pf, sts);
+ *ts = ns_to_timespec64(time_ns);
return 0;
}