if_bnxt: Never ARM Tx CQ as they are not interrupt-driven
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Authored by sumit.saxena_broadcom.com on Aug 3 2026, 1:05 PM.

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chandrakanth.patil_broadcom.com
sreekanth.reddy_broadcom.com
gallatin
shurd

Summary

Tx completion rings are not interrupt-driven, so there is no need to
ring the doorbell with CQ_ARMALL and toggle bits set for them. Stop
arming the Tx CQ doorbell on P5+, which makes tx_cp_rings[]->toggle
dead, so drop the now-unnecessary toggle bookkeeping for it in
process_nq() too.