WARNING: line length of 83 exceeds 80 columns
#35: FILE: drivers/net/can/rcar/rcar_canfd.c:834:
+				rcar_canfd_clear_bit_reg(&gpriv->fcbase[ch].cfdcfg,

WARNING: line length of 81 exceeds 80 columns
#36: FILE: drivers/net/can/rcar/rcar_canfd.c:835:
+							 RCANFD_GEN4_FDCFG_CLOE);

WARNING: line length of 81 exceeds 80 columns
#37: FILE: drivers/net/can/rcar/rcar_canfd.c:836:
+				rcar_canfd_set_bit_reg(&gpriv->fcbase[ch].cfdcfg,

WARNING: line length of 89 exceeds 80 columns
#66: FILE: drivers/net/can/rcar/rcar_canfd.c:2254:
+		 gpriv->fdmode ? (gpriv->fd_only_mode ? "fd-only" : "fd") : "classical");

total: 0 errors, 4 warnings, 0 checks, 44 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 89b2242b87d3 ("can: rcar_canfd: Add support for FD-Only mode") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 44 lines checked