This series removes the use of the heavy-weight PTP hardware semaphore in the gettimex64 path. Instead, serialization of access to the time register is done using a host-side spinlock. The timer hardware is shared between PFs on the PCI adapter, so the spinlock must be shared between ice_pf instances too.
Michal Schmidt (3): ice: add ice_adapter for shared data across PFs on the same NIC ice: avoid the PTP hardware semaphore in gettimex64 path ice: fold ice_ptp_read_time into ice_ptp_gettimex64 drivers/net/ethernet/intel/ice/Makefile | 3 +- drivers/net/ethernet/intel/ice/ice.h | 2 + drivers/net/ethernet/intel/ice/ice_adapter.c | 69 ++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_adapter.h | 28 ++++++++ drivers/net/ethernet/intel/ice/ice_main.c | 8 +++ drivers/net/ethernet/intel/ice/ice_ptp.c | 33 ++-------- drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 3 + 7 files changed, 116 insertions(+), 30 deletions(-) create mode 100644 drivers/net/ethernet/intel/ice/ice_adapter.c create mode 100644 drivers/net/ethernet/intel/ice/ice_adapter.h -- 2.43.2
