WARNING: line length of 87 exceeds 80 columns
#76: FILE: drivers/net/ethernet/cadence/macb_main.c:2491:
+	dma_free_coherent(dev, size, bp->queues[0].tx_ring, bp->queues[0].tx_ring_dma);

WARNING: line length of 87 exceeds 80 columns
#79: FILE: drivers/net/ethernet/cadence/macb_main.c:2494:
+	dma_free_coherent(dev, size, bp->queues[0].rx_ring, bp->queues[0].rx_ring_dma);

WARNING: line length of 82 exceeds 80 columns
#149: FILE: drivers/net/ethernet/cadence/macb_main.c:2572:
+		queue->tx_ring_dma = tx_dma + macb_tx_ring_size_per_queue(bp) * q;

WARNING: line length of 82 exceeds 80 columns
#152: FILE: drivers/net/ethernet/cadence/macb_main.c:2575:
+		queue->rx_ring_dma = rx_dma + macb_rx_ring_size_per_queue(bp) * q;

total: 0 errors, 4 warnings, 0 checks, 114 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 1dbcf0054897 ("net: macb: single dma_alloc_coherent() for DMA descriptors") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 4 warnings, 0 checks, 114 lines checked