bnxt_en: Skip reading PXP registers during ethtool -d if unsupported

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Newer firmware does not allow reading the PXP registers during
ethtool -d, so skip the firmware call in that case.  Userspace
(bnxt.c) always expects the register block to be populated so
zeroes will be returned instead.

Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20241217182620.2454075-6-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

This commit is contained in:

Michael Chan 2024-12-17 10:26:19 -08:00 • committed by Jakub Kicinski

parent b45a850585

commit bf2afe0f14

1 changed files with 2 additions and 1 deletions

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

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