[Intel-wired-lan] [PATCH v8 iwl-next 3/7] ice: Use FIELD_PREP for timestamp values
Karol Kolacinski
karol.kolacinski at intel.com
Tue Aug 27 12:50:45 UTC 2024
Instead of using shifts and casts, use FIELD_PREP after reading 40b
timestamp values.
Reviewed-by: Simon Horman <horms at kernel.org>
Signed-off-by: Karol Kolacinski <karol.kolacinski at intel.com>
---
V5 -> V6: Replaced removed macros with the new ones
drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 9 ++++++---
drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 13 +++++--------
2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
index 0fc4092fd261..65a66225797e 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
@@ -1520,7 +1520,8 @@ static int ice_read_ptp_tstamp_eth56g(struct ice_hw *hw, u8 port, u8 idx,
* lower 8 bits in the low register, and the upper 32 bits in the high
* register.
*/
- *tstamp = ((u64)hi) << TS_PHY_HIGH_S | ((u64)lo & TS_PHY_LOW_M);
+ *tstamp = FIELD_PREP(PHY_40B_HIGH_M, hi) |
+ FIELD_PREP(PHY_40B_LOW_M, lo);
return 0;
}
@@ -3199,7 +3200,8 @@ ice_read_phy_tstamp_e82x(struct ice_hw *hw, u8 quad, u8 idx, u64 *tstamp)
* lower 8 bits in the low register, and the upper 32 bits in the high
* register.
*/
- *tstamp = FIELD_PREP(TS_PHY_HIGH_M, hi) | FIELD_PREP(TS_PHY_LOW_M, lo);
+ *tstamp = FIELD_PREP(PHY_40B_HIGH_M, hi) |
+ FIELD_PREP(PHY_40B_LOW_M, lo);
return 0;
}
@@ -4952,7 +4954,8 @@ ice_read_phy_tstamp_e810(struct ice_hw *hw, u8 lport, u8 idx, u64 *tstamp)
/* For E810 devices, the timestamp is reported with the lower 32 bits
* in the low register, and the upper 8 bits in the high register.
*/
- *tstamp = ((u64)hi) << TS_HIGH_S | ((u64)lo & TS_LOW_M);
+ *tstamp = FIELD_PREP(PHY_EXT_40B_HIGH_M, hi) |
+ FIELD_PREP(PHY_EXT_40B_LOW_M, lo);
return 0;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
index 51bc691f1d0f..3968e064cc22 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
@@ -676,15 +676,12 @@ static inline bool ice_is_dual(struct ice_hw *hw)
/* Source timer incval macros */
#define INCVAL_HIGH_M 0xFF
-/* Timestamp block macros */
+/* PHY 40b registers macros */
+#define PHY_EXT_40B_LOW_M GENMASK(31, 0)
+#define PHY_EXT_40B_HIGH_M GENMASK_ULL(39, 32)
+#define PHY_40B_LOW_M GENMASK(7, 0)
+#define PHY_40B_HIGH_M GENMASK_ULL(39, 8)
#define TS_VALID BIT(0)
-#define TS_LOW_M 0xFFFFFFFF
-#define TS_HIGH_M 0xFF
-#define TS_HIGH_S 32
-
-#define TS_PHY_LOW_M 0xFF
-#define TS_PHY_HIGH_M 0xFFFFFFFF
-#define TS_PHY_HIGH_S 8
#define BYTES_PER_IDX_ADDR_L_U 8
#define BYTES_PER_IDX_ADDR_L 4
--
2.46.0
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