WARNING: line length of 82 exceeds 80 columns
#110: FILE: drivers/net/can/m_can/m_can.c:1242:
+				ret = m_can_rx_handler(dev, NAPI_POLL_WEIGHT, ir);

WARNING: line length of 86 exceeds 80 columns
#142: FILE: drivers/net/can/m_can/m_can.c:1256:
+				frame_len = m_can_tx_update_stats(cdev, 0, timestamp);

CHECK: Please don't use multiple blank lines
#157: FILE: drivers/net/can/m_can/m_can.c:1270:
+
+

WARNING: line length of 84 exceeds 80 columns
#206: FILE: drivers/net/can/m_can/m_can.c:2079:
+					   (cdev->irq_type_edge ? 0 : IRQF_ONESHOT),

total: 0 errors, 3 warnings, 1 checks, 161 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 ef0945e55dc7 ("net: can: m_can: Support tcan level with edge interrupts") 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, 3 warnings, 1 checks, 161 lines checked