WARNING: 'syncronized' may be misspelled - perhaps 'synchronized'?
#7: 
  - syncronized -> synchronized.
    ^^^^^^^^^^^

WARNING: Prefer [subsystem eg: netdev]_dbg([subsystem]dev, ... then dev_dbg(dev, ... then pr_debug(...  to printk(KERN_DEBUG ...
#25: FILE: drivers/isdn/hardware/mISDN/hfcmulti.c:933:
+			printk(KERN_DEBUG "id=%d (0x%p) = synchronized with "

WARNING: quoted string split across lines
#43: FILE: drivers/isdn/hardware/mISDN/hfcmulti.c:4675:
 				       "%s: PORT set optical "
+				       "interface: card(%d) "

total: 0 errors, 3 warnings, 0 checks, 24 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 cf22ff11c6fa ("mISDN: Fix typos") 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, 0 checks, 24 lines checked