CHECK: Comparison to NULL could be written "ptp->info->getcrosststamp"
#39: FILE: drivers/ptp/ptp_chardev.c:169:
+		.cross_timestamping	= ptp->info->getcrosststamp != NULL,

CHECK: Comparison to NULL could be written "ptp->info->adjphase"
#40: FILE: drivers/ptp/ptp_chardev.c:170:
+		.adjust_phase		= ptp->info->adjphase != NULL &&

CHECK: Comparison to NULL could be written "ptp->info->getmaxphase"
#41: FILE: drivers/ptp/ptp_chardev.c:171:
+					  ptp->info->getmaxphase != NULL,

total: 0 errors, 0 warnings, 3 checks, 66 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 87a52d60ea51 ("ptp: Split out PTP_CLOCK_GETCAPS ioctl code") 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, 0 warnings, 3 checks, 66 lines checked