diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | 39 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h | 1 |
3 files changed, 41 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 1250a5b50b50..23eddde7bf12 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -10075,6 +10075,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) } } + bnxt_ptp_start(bp); rc = bnxt_init_nic(bp, irq_re_init); if (rc) { netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c index 47f1f9c3380c..b0563c7761ff 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c @@ -45,6 +45,18 @@ static u64 bnxt_refclk_read(struct bnxt *bp, struct ptp_system_timestamp *sts) return ns; } +static void bnxt_ptp_get_current_time(struct bnxt *bp) +{ + struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; + + if (!ptp) + return; + spin_lock_bh(&ptp->ptp_lock); + WRITE_ONCE(ptp->old_time, ptp->current_time); + ptp->current_time = bnxt_refclk_read(bp, NULL); + spin_unlock_bh(&ptp->ptp_lock); +} + static int bnxt_ptp_gettimex(struct ptp_clock_info *ptp_info, struct timespec64 *ts, struct ptp_system_timestamp *sts) @@ -257,6 +269,32 @@ static u64 bnxt_cc_read(const struct cyclecounter *cc) return bnxt_refclk_read(ptp->bp, NULL); } +static long bnxt_ptp_ts_aux_work(struct ptp_clock_info *ptp_info) +{ + struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg, + ptp_info); + struct bnxt *bp = ptp->bp; + + bnxt_ptp_get_current_time(bp); + return HZ; +} + +void bnxt_ptp_start(struct bnxt *bp) +{ + struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; + + if (!ptp) + return; + + if (bp->flags & BNXT_FLAG_CHIP_P5) { + spin_lock_bh(&ptp->ptp_lock); + ptp->current_time = bnxt_refclk_read(bp, NULL); + WRITE_ONCE(ptp->old_time, ptp->current_time); + spin_unlock_bh(&ptp->ptp_lock); + ptp_schedule_worker(ptp->ptp_clock, 0); + } +} + static const struct ptp_clock_info bnxt_ptp_caps = { .owner = THIS_MODULE, .name = "bnxt clock", @@ -268,6 +306,7 @@ static const struct ptp_clock_info bnxt_ptp_caps = { .pps = 0, .adjfreq = bnxt_ptp_adjfreq, .adjtime = bnxt_ptp_adjtime, + .do_aux_work = bnxt_ptp_ts_aux_work, .gettimex64 = bnxt_ptp_gettimex, .settime64 = bnxt_ptp_settime, .enable = bnxt_ptp_enable, diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h index 93a9921a8b46..61a67055c812 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h @@ -60,6 +60,7 @@ struct bnxt_ptp_cfg { int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr); int bnxt_hwtstamp_get(struct net_device *dev, struct ifreq *ifr); +void bnxt_ptp_start(struct bnxt *bp); int bnxt_ptp_init(struct bnxt *bp); void bnxt_ptp_clear(struct bnxt *bp); #endif |