From: Przemyslaw Korba Date: Fri, 15 Nov 2024 12:25:37 +0000 (+0100) Subject: ice: fix PHY timestamp extraction for ETH56G X-Git-Tag: v6.12.5~430 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25a702f2528a3a94b7f2599b93a6b966c81812db;p=thirdparty%2Fkernel%2Fstable.git ice: fix PHY timestamp extraction for ETH56G [ Upstream commit 3214fae85e8336fe13e20cf78fc9b6a668bdedff ] 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 Reviewed-by: Simon Horman Signed-off-by: Przemyslaw Korba Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c index ec8db830ac73a..3816e45b6ab44 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c @@ -1495,7 +1495,8 @@ 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 6cedc1a906afb..4c8b845713442 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h @@ -663,9 +663,8 @@ static inline u64 ice_get_base_incval(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