diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ptp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ptp.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c index 02d871bc112a..bbcfd529399b 100644 --- a/drivers/net/ethernet/intel/e1000e/ptp.c +++ b/drivers/net/ethernet/intel/e1000e/ptp.c @@ -280,8 +280,17 @@ 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 +298,14 @@ 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; |