[PATCH net v4 0/2] net: airoha: Fix airoha_qdma_cleanup_tx_queue() processing

[Lorenzo Bianconi <lorenzo@kernel.org>]

Add missing bits in airoha_qdma_cleanup_tx_queue routine.
Fix airoha_qdma_cleanup_tx_queue processing errors intorduced in commit
'3f47e67dff1f7 ("net: airoha: Add the capability to consume out-of-order
DMA tx descriptors")'.

---
Changes in v4:
- Drop patch 2/3 to move entries to queue head in case of DMA mapping
  failure in airoha_dev_xmit().
- Link to v3: https://lore.kernel.org/r/20260416-airoha_qdma_cleanup_tx_queue-fix-net-v3-0-2b69f5788580@kernel.org

Changes in v3:
- Move ndesc initialization fix in a dedicated patch.
- Add patch 2/3 to move entries to queue head in case of DMA mapping
  failure in airoha_dev_xmit().
- Cosmetics.
- Link to v2: https://lore.kernel.org/r/20260414-airoha_qdma_cleanup_tx_queue-fix-net-v2-1-875de57cc022@kernel.org

Changes in v2:
- Move q->ndesc initialization at end of airoha_qdma_init_tx routine in
  order to avoid any possible NULL pointer dereference in
  airoha_qdma_cleanup_tx_queue()
- Check if q->tx_list is empty in airoha_qdma_cleanup_tx_queue()
- Link to v1: https://lore.kernel.org/r/20260410-airoha_qdma_cleanup_tx_queue-fix-net-v1-1-b7171c8f1e78@kernel.org

---
Lorenzo Bianconi (2):
      net: airoha: Move ndesc initialization at end of airoha_qdma_init_tx()
      net: airoha: Add missing bits in airoha_qdma_cleanup_tx_queue()

 drivers/net/ethernet/airoha/airoha_eth.c | 40 +++++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 6 deletions(-)
---
base-commit: 82c21069028c5db3463f851ae8ac9cc2e38a3827
change-id: 20260410-airoha_qdma_cleanup_tx_queue-fix-net-93375f5ee80f

Best regards,
-- 
Lorenzo Bianconi <lorenzo@kernel.org>