On 3/29/2024 9:09 AM, Karol Kolacinski wrote:
From: Jacob Keller <[email protected]>
Add a new helper for getting base clock increment value for specific HW.
Signed-off-by: Jacob Keller <[email protected]>
Reviewed-by: Przemek Kitszel <[email protected]>
Reviewed-by: Arkadiusz Kubalewski <[email protected]>
Signed-off-by: Karol Kolacinski <[email protected]>
---
drivers/net/ethernet/intel/ice/ice_ptp.c | 7 +------
drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 12 ++++++++++++
2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c
b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 7980482bbf56..cd2dab7b4c44 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -1210,12 +1210,7 @@ static u64 ice_base_incval(struct ice_pf *pf)
struct ice_hw *hw = &pf->hw;
u64 incval;
- if (ice_is_e810(hw))
- incval = ICE_PTP_NOMINAL_INCVAL_E810;
- else if (ice_e82x_time_ref(hw) < NUM_ICE_TIME_REF_FREQ)
- incval = ice_e82x_nominal_incval(ice_e82x_time_ref(hw));
- else
- incval = UNKNOWN_INCVAL_E82X;
Unknown used to return a value:
https://elixir.bootlin.com/linux/latest/source/drivers/net/ethernet/intel/ice/ice_ptp.c#L10
+ incval = ice_get_base_incval(hw);
dev_dbg(ice_pf_to_dev(pf), "PTP: using base increment value of 0x%016llx\n",
incval);
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
index 5223e17d2806..d477d334b1d8 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
@@ -285,6 +285,18 @@ int ice_get_cgu_rclk_pin_info(struct ice_hw *hw, u8
*base_idx, u8 *pin_num);
int ice_cgu_get_output_pin_state_caps(struct ice_hw *hw, u8 pin_id,
unsigned long *caps);
+static inline u64 ice_get_base_incval(struct ice_hw *hw)
+{
+ switch (hw->ptp.phy_model) {
+ case ICE_PHY_E810:
+ return ICE_PTP_NOMINAL_INCVAL_E810;
+ case ICE_PHY_E82X:
+ return ice_e82x_nominal_incval(ice_e82x_time_ref(hw));
+ default:
+ return 0;
but now it's 0. Is this on purpose? If yes, it was the only usage of the
UNKNOWN_INCVAL_E82X so it should be removed.
+ }
+}
+
#define PFTSYN_SEM_BYTES 4
#define ICE_PTP_CLOCK_INDEX_0 0x00