bnxt_en: Fix PTP capability discovery

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The current PTP initialization logic does not account for firmware
reset that may cause PTP capability to change.  The valid pointer
bp->ptp_cfg is used to indicate that the device is capable of PTP
and that it has been initialized.  So we must clean up bp->ptp_cfg
and free it if the firmware after reset does not support PTP.

Fixes: 93cb62d98e ("bnxt_en: Enable hardware PTP support")
Cc: Richard Cochran <richardcochran@gmail.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Michael Chan 2021-07-18 15:36:33 -04:00 • committed by David S. Miller

parent d7859afb68

commit de5bf19414

1 changed files with 5 additions and 1 deletions

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drivers/net/ethernet/broadcom/bnxt/bnxt.c

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