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path: root/drivers/net/ethernet/intel/e1000e/ptp.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ptp.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/ptp.c25
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;