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ixgbe: use EOPNOTSUPP instead of ENOTSUPP in ixgbe_ptp_feature_enable()

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When the requested PTP feature is not supported,
ixgbe_ptp_feature_enable() returns -ENOTSUPP, causing userland programs
to get "Unknown error 524".

Since EOPNOTSUPP should be used when error is propagated to userland,
return -EOPNOTSUPP instead of -ENOTSUPP.

Fixes: 3a6a4edaa5 ("ixgbe: Hardware Timestamping + PTP Hardware Clock (PHC)")
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Kohei Enju 2025-10-06 21:35:23 +09:00 committed by Tony Nguyen
parent 21d08d1c4c
commit f82acf6fb4
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
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@ -641,7 +641,7 @@ static int ixgbe_ptp_feature_enable(struct ptp_clock_info *ptp,
* disabled
*/
if (rq->type != PTP_CLK_REQ_PPS || !adapter->ptp_setup_sdp)
return -ENOTSUPP;
return -EOPNOTSUPP;
if (on)
adapter->flags2 |= IXGBE_FLAG2_PTP_PPS_ENABLED;