diff options
Diffstat (limited to 'drivers/ptp/Kconfig')
| -rw-r--r-- | drivers/ptp/Kconfig | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig index cd9bc3b129bc..ffdf712f9a67 100644 --- a/drivers/ptp/Kconfig +++ b/drivers/ptp/Kconfig @@ -70,7 +70,7 @@ config DP83640_PHY using the SO_TIMESTAMPING API. In order for this to work, your MAC driver must also - implement the skb_tx_timetamp() function. + implement the skb_tx_timestamp() function. config PTP_1588_CLOCK_PCH tristate "Intel PCH EG20T as PTP clock" @@ -78,9 +78,13 @@ config PTP_1588_CLOCK_PCH depends on PCH_GBE help This driver adds support for using the PCH EG20T as a PTP - clock. This clock is only useful if your PTP programs are - getting hardware time stamps on the PTP Ethernet packets - using the SO_TIMESTAMPING API. + clock. The hardware supports time stamping of PTP packets + when using the end-to-end delay (E2E) mechansim. The peer + delay mechansim (P2P) is not supported. + + This clock is only useful if your PTP programs are getting + hardware time stamps on the PTP Ethernet packets using the + SO_TIMESTAMPING API. To compile this driver as a module, choose M here: the module will be called ptp_pch. |