diff mbox series

[net,2/9] ice: fix PHY timestamp extraction for ETH56G

Message ID 20241203215521.1646668-3-anthony.l.nguyen@intel.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series Intel Wired LAN Driver Updates 2024-12-03 (ice, idpf, ixgbe, ixgbevf, igb) | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 306 this patch: 306
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 20 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 71 this patch: 71
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-12-04--15-02 (tests: 760)

Commit Message

Tony Nguyen Dec. 3, 2024, 9:55 p.m. UTC 
From: Przemyslaw Korba <przemyslaw.korba@intel.com>

Fix incorrect PHY timestamp extraction for ETH56G.
It's better to use FIELD_PREP() than manual shift.

Fixes: 7cab44f1c35f ("ice: Introduce ETH56G PHY model for E825C products")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Przemyslaw Korba <przemyslaw.korba@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 3 ++-
 drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 5 ++---
 2 files changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
index dfd49732bd5b..518893f23372 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
@@ -1518,7 +1518,8 @@  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(TS_PHY_HIGH_M, hi) |
+		  FIELD_PREP(TS_PHY_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 47af7c5c79b8..1cee0f1bba2d 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
@@ -682,9 +682,8 @@  static inline bool ice_is_dual(struct ice_hw *hw)
 #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 TS_PHY_LOW_M			GENMASK(7, 0)
+#define TS_PHY_HIGH_M			GENMASK_ULL(39, 8)
 
 #define BYTES_PER_IDX_ADDR_L_U		8
 #define BYTES_PER_IDX_ADDR_L		4