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path: root/drivers/net/ethernet/intel/ice/ice_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ptp.c36
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 662947c882e8..72b663108a4a 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -1102,9 +1102,8 @@ static void ice_ptp_reset_phy_timestamping(struct ice_pf *pf)
static int ice_ptp_adjfine(struct ptp_clock_info *info, long scaled_ppm)
{
struct ice_pf *pf = ptp_info_to_pf(info);
- u64 freq, divisor = 1000000ULL;
struct ice_hw *hw = &pf->hw;
- s64 incval, diff;
+ u64 incval, diff;
int neg_adj = 0;
int err;
@@ -1115,17 +1114,8 @@ static int ice_ptp_adjfine(struct ptp_clock_info *info, long scaled_ppm)
scaled_ppm = -scaled_ppm;
}
- while ((u64)scaled_ppm > div64_u64(U64_MAX, incval)) {
- /* handle overflow by scaling down the scaled_ppm and
- * the divisor, losing some precision
- */
- scaled_ppm >>= 2;
- divisor >>= 2;
- }
-
- freq = (incval * (u64)scaled_ppm) >> 16;
- diff = div_u64(freq, divisor);
-
+ diff = mul_u64_u64_div_u64(incval, (u64)scaled_ppm,
+ 1000000ULL << 16);
if (neg_adj)
incval -= diff;
else
@@ -1900,9 +1890,12 @@ ice_ptp_setup_pins_e810t(struct ice_pf *pf, struct ptp_clock_info *info)
}
info->n_per_out = N_PER_OUT_E810T;
- info->n_ext_ts = N_EXT_TS_E810;
- info->n_pins = NUM_PTP_PINS_E810T;
- info->verify = ice_verify_pin_e810t;
+
+ if (ice_is_feature_supported(pf, ICE_F_PTP_EXTTS)) {
+ info->n_ext_ts = N_EXT_TS_E810;
+ info->n_pins = NUM_PTP_PINS_E810T;
+ info->verify = ice_verify_pin_e810t;
+ }
/* Complete setup of the SMA pins */
ice_ptp_setup_sma_pins_e810t(pf, info);
@@ -1910,11 +1903,16 @@ ice_ptp_setup_pins_e810t(struct ice_pf *pf, struct ptp_clock_info *info)
/**
* ice_ptp_setup_pins_e810 - Setup PTP pins in sysfs
+ * @pf: pointer to the PF instance
* @info: PTP clock capabilities
*/
-static void ice_ptp_setup_pins_e810(struct ptp_clock_info *info)
+static void ice_ptp_setup_pins_e810(struct ice_pf *pf, struct ptp_clock_info *info)
{
info->n_per_out = N_PER_OUT_E810;
+
+ if (!ice_is_feature_supported(pf, ICE_F_PTP_EXTTS))
+ return;
+
info->n_ext_ts = N_EXT_TS_E810;
}
@@ -1956,7 +1954,7 @@ ice_ptp_set_funcs_e810(struct ice_pf *pf, struct ptp_clock_info *info)
if (ice_is_e810t(&pf->hw))
ice_ptp_setup_pins_e810t(pf, info);
else
- ice_ptp_setup_pins_e810(info);
+ ice_ptp_setup_pins_e810(pf, info);
}
/**
@@ -2271,7 +2269,7 @@ static int
ice_ptp_init_tx_e822(struct ice_pf *pf, struct ice_ptp_tx *tx, u8 port)
{
tx->quad = port / ICE_PORTS_PER_QUAD;
- tx->quad_offset = tx->quad * INDEX_PER_PORT;
+ tx->quad_offset = (port % ICE_PORTS_PER_QUAD) * INDEX_PER_PORT;
tx->len = INDEX_PER_PORT;
return ice_ptp_alloc_tx_tracker(tx);