On Wed, 8 Feb 2023 16:34:45 +0900 Yoshihiro Shimoda wrote: > In the previous code, TX timestamp accuracy was bad because the irq > handler got the timestamp from the timestamp register at that time. > > This hardware has "Timestamp capture" feature which can store > each TX timestamp into the timestamp descriptors. To improve > TX timestamp accuracy, implement timestamp descriptors' handling. 2 new sparse warnings here: drivers/net/ethernet/renesas/rswitch.c:917:24: warning: restricted __le32 degrades to integer drivers/net/ethernet/renesas/rswitch.c:918:23: warning: restricted __le32 degrades to integer
