WARNING: line length of 96 exceeds 80 columns
#105: FILE: drivers/mailbox/pcc.c:496:
+	pcc_header->length = len - sizeof(struct acpi_pcct_ext_pcc_shared_memory) + sizeof(u32);

CHECK: Please don't use multiple blank lines
#116: FILE: drivers/mailbox/pcc.c:507:
+
+

CHECK: Please use a blank line after function/struct/union/enum declarations
#148: FILE: include/acpi/pcc.h:60:
+}
+static inline int pcc_mbox_query_bytes_available(struct pcc_mbox_chan *pchan);

CHECK: Please use a blank line after function/struct/union/enum declarations
#152: FILE: include/acpi/pcc.h:64:
+}
+static inline

total: 0 errors, 1 warnings, 3 checks, 126 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 86a1bd02634a ("mailbox: pcc: functions for reading and writing PCC extended data") 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, 1 warnings, 3 checks, 126 lines checked