diff options
| author | Pavan Chebbi <pavan.chebbi@broadcom.com> | 2022-01-26 07:40:10 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-01-26 18:35:20 +0300 |
| commit | 740c342e399981babdd62d0d5beb7c8ec9503a9a (patch) | |
| tree | 3f55136824425d0bf70d470dd991be56a36f7bc9 /drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | |
| parent | 2895c1531056903a8e22df565664ade106e29426 (diff) | |
| download | linux-740c342e399981babdd62d0d5beb7c8ec9503a9a.tar.xz | |
bnxt_en: PTP: Refactor PTP initialization functions
Making the ptp free and timecounter initialization code into separate
functions so that later patches can use them.
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c index 48520967746f..921aa7f75c9a 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c @@ -714,6 +714,34 @@ static bool bnxt_pps_config_ok(struct bnxt *bp) return !(bp->fw_cap & BNXT_FW_CAP_PTP_PPS) == !ptp->ptp_info.pin_config; } +static void bnxt_ptp_timecounter_init(struct bnxt *bp, bool init_tc) +{ + struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; + + if (!ptp->ptp_clock) { + memset(&ptp->cc, 0, sizeof(ptp->cc)); + ptp->cc.read = bnxt_cc_read; + ptp->cc.mask = CYCLECOUNTER_MASK(48); + ptp->cc.shift = 0; + ptp->cc.mult = 1; + ptp->next_overflow_check = jiffies + BNXT_PHC_OVERFLOW_PERIOD; + } + if (init_tc) + timecounter_init(&ptp->tc, &ptp->cc, ktime_to_ns(ktime_get_real())); +} + +static void bnxt_ptp_free(struct bnxt *bp) +{ + struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; + + if (ptp->ptp_clock) { + ptp_clock_unregister(ptp->ptp_clock); + ptp->ptp_clock = NULL; + kfree(ptp->ptp_info.pin_config); + ptp->ptp_info.pin_config = NULL; + } +} + int bnxt_ptp_init(struct bnxt *bp) { struct bnxt_ptp_cfg *ptp = bp->ptp_cfg; @@ -729,23 +757,12 @@ int bnxt_ptp_init(struct bnxt *bp) if (ptp->ptp_clock && bnxt_pps_config_ok(bp)) return 0; - if (ptp->ptp_clock) { - ptp_clock_unregister(ptp->ptp_clock); - ptp->ptp_clock = NULL; - kfree(ptp->ptp_info.pin_config); - ptp->ptp_info.pin_config = NULL; - } + bnxt_ptp_free(bp); + atomic_set(&ptp->tx_avail, BNXT_MAX_TX_TS); spin_lock_init(&ptp->ptp_lock); - memset(&ptp->cc, 0, sizeof(ptp->cc)); - ptp->cc.read = bnxt_cc_read; - ptp->cc.mask = CYCLECOUNTER_MASK(48); - ptp->cc.shift = 0; - ptp->cc.mult = 1; - - ptp->next_overflow_check = jiffies + BNXT_PHC_OVERFLOW_PERIOD; - timecounter_init(&ptp->tc, &ptp->cc, ktime_to_ns(ktime_get_real())); + bnxt_ptp_timecounter_init(bp, true); ptp->ptp_info = bnxt_ptp_caps; if ((bp->fw_cap & BNXT_FW_CAP_PTP_PPS)) { |