diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ptp.c')
-rw-r--r-- | drivers/net/ethernet/intel/e1000e/ptp.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c index 02d871bc112a..89d57dd911dc 100644 --- a/drivers/net/ethernet/intel/e1000e/ptp.c +++ b/drivers/net/ethernet/intel/e1000e/ptp.c @@ -124,7 +124,8 @@ static int e1000e_phc_get_syncdevicetime(ktime_t *device, sys_cycles = er32(PLTSTMPH); sys_cycles <<= 32; sys_cycles |= er32(PLTSTMPL); - *system = convert_art_to_tsc(sys_cycles); + system->cycles = sys_cycles; + system->cs_id = CSID_X86_ART; return 0; } @@ -280,8 +281,17 @@ void e1000e_ptp_init(struct e1000_adapter *adapter) switch (hw->mac.type) { case e1000_pch2lan: + adapter->ptp_clock_info.max_adj = MAX_PPB_96MHZ; + break; case e1000_pch_lpt: + if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) + adapter->ptp_clock_info.max_adj = MAX_PPB_96MHZ; + else + adapter->ptp_clock_info.max_adj = MAX_PPB_25MHZ; + break; case e1000_pch_spt: + adapter->ptp_clock_info.max_adj = MAX_PPB_24MHZ; + break; case e1000_pch_cnp: case e1000_pch_tgp: case e1000_pch_adp: @@ -289,15 +299,14 @@ void e1000e_ptp_init(struct e1000_adapter *adapter) case e1000_pch_lnp: case e1000_pch_ptp: case e1000_pch_nvp: - if ((hw->mac.type < e1000_pch_lpt) || - (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) { - adapter->ptp_clock_info.max_adj = 24000000 - 1; - break; - } - fallthrough; + if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) + adapter->ptp_clock_info.max_adj = MAX_PPB_24MHZ; + else + adapter->ptp_clock_info.max_adj = MAX_PPB_38400KHZ; + break; case e1000_82574: case e1000_82583: - adapter->ptp_clock_info.max_adj = 600000000 - 1; + adapter->ptp_clock_info.max_adj = MAX_PPB_25MHZ; break; default: break; |