diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp.c | 33 |
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; } |