diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c index 4ec8bba18cdd..a3a3978a4d1c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c @@ -63,7 +63,7 @@ static int bnxt_ptp_settime(struct ptp_clock_info *ptp_info, ptp_info); u64 ns = timespec64_to_ns(ts); - if (ptp->bp->fw_cap & BNXT_FW_CAP_PTP_RTC) + if (BNXT_PTP_USE_RTC(ptp->bp)) return bnxt_ptp_cfg_settime(ptp->bp, ns); spin_lock_bh(&ptp->ptp_lock); @@ -196,7 +196,7 @@ static int bnxt_ptp_adjtime(struct ptp_clock_info *ptp_info, s64 delta) struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg, ptp_info); - if (ptp->bp->fw_cap & BNXT_FW_CAP_PTP_RTC) + if (BNXT_PTP_USE_RTC(ptp->bp)) return bnxt_ptp_adjphc(ptp, delta); spin_lock_bh(&ptp->ptp_lock); @@ -205,34 +205,39 @@ static int bnxt_ptp_adjtime(struct ptp_clock_info *ptp_info, s64 delta) return 0; } +static int bnxt_ptp_adjfine_rtc(struct bnxt *bp, long scaled_ppm) +{ + s32 ppb = scaled_ppm_to_ppb(scaled_ppm); + struct hwrm_port_mac_cfg_input *req; + int rc; + + rc = hwrm_req_init(bp, req, HWRM_PORT_MAC_CFG); + if (rc) + return rc; + + req->ptp_freq_adj_ppb = cpu_to_le32(ppb); + req->enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_PTP_FREQ_ADJ_PPB); + rc = hwrm_req_send(bp, req); + if (rc) + netdev_err(bp->dev, + "ptp adjfine failed. rc = %d\n", rc); + return rc; +} + static int bnxt_ptp_adjfine(struct ptp_clock_info *ptp_info, long scaled_ppm) { struct bnxt_ptp_cfg *ptp = container_of(ptp_info, struct bnxt_ptp_cfg, ptp_info); - struct hwrm_port_mac_cfg_input *req; struct bnxt *bp = ptp->bp; - int rc = 0; - if (!(ptp->bp->fw_cap & BNXT_FW_CAP_PTP_RTC)) { - spin_lock_bh(&ptp->ptp_lock); - timecounter_read(&ptp->tc); - ptp->cc.mult = adjust_by_scaled_ppm(ptp->cmult, scaled_ppm); - spin_unlock_bh(&ptp->ptp_lock); - } else { - s32 ppb = scaled_ppm_to_ppb(scaled_ppm); - - rc = hwrm_req_init(bp, req, HWRM_PORT_MAC_CFG); - if (rc) - return rc; + if (BNXT_PTP_USE_RTC(bp)) + return bnxt_ptp_adjfine_rtc(bp, scaled_ppm); - req->ptp_freq_adj_ppb = cpu_to_le32(ppb); - req->enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_PTP_FREQ_ADJ_PPB); - rc = hwrm_req_send(ptp->bp, req); - if (rc) - netdev_err(ptp->bp->dev, - "ptp adjfine failed. rc = %d\n", rc); - } - return rc; + spin_lock_bh(&ptp->ptp_lock); + timecounter_read(&ptp->tc); + ptp->cc.mult = adjust_by_scaled_ppm(ptp->cmult, scaled_ppm); + spin_unlock_bh(&ptp->ptp_lock); + return 0; } void bnxt_ptp_pps_event(struct bnxt *bp, u32 data1, u32 data2) @@ -879,7 +884,7 @@ int bnxt_ptp_init_rtc(struct bnxt *bp, bool phc_cfg) u64 ns; int rc; - if (!bp->ptp_cfg || !(bp->fw_cap & BNXT_FW_CAP_PTP_RTC)) + if (!bp->ptp_cfg || !BNXT_PTP_USE_RTC(bp)) return -ENODEV; if (!phc_cfg) { @@ -932,13 +937,14 @@ int bnxt_ptp_init(struct bnxt *bp, bool phc_cfg) atomic_set(&ptp->tx_avail, BNXT_MAX_TX_TS); spin_lock_init(&ptp->ptp_lock); - if (bp->fw_cap & BNXT_FW_CAP_PTP_RTC) { + if (BNXT_PTP_USE_RTC(bp)) { bnxt_ptp_timecounter_init(bp, false); rc = bnxt_ptp_init_rtc(bp, phc_cfg); if (rc) goto out; } else { bnxt_ptp_timecounter_init(bp, true); + bnxt_ptp_adjfine_rtc(bp, 0); } ptp->ptp_info = bnxt_ptp_caps; |