diff options
Diffstat (limited to 'drivers/net/ethernet/marvell')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/ptp.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c index 67a6821d2dff..b2c3527fe665 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c @@ -56,6 +56,11 @@ static struct ptp *first_ptp_block; static const struct pci_device_id ptp_id_table[]; +static bool is_ptp_dev_cn10k(struct ptp *ptp) +{ + return (ptp->pdev->device == PCI_DEVID_CN10K_PTP) ? true : false; +} + static bool cn10k_ptp_errata(struct ptp *ptp) { if (ptp->pdev->subsystem_device == PCI_SUBSYS_DEVID_CN10K_A_PTP || @@ -282,7 +287,14 @@ void ptp_start(struct ptp *ptp, u64 sclk, u32 ext_clk_freq, u32 extts) static int ptp_get_tstmp(struct ptp *ptp, u64 *clk) { - *clk = readq(ptp->reg_base + PTP_TIMESTAMP); + u64 timestamp; + + if (is_ptp_dev_cn10k(ptp)) { + timestamp = readq(ptp->reg_base + PTP_TIMESTAMP); + *clk = (timestamp >> 32) * NSEC_PER_SEC + (timestamp & 0xFFFFFFFF); + } else { + *clk = readq(ptp->reg_base + PTP_TIMESTAMP); + } return 0; } |