CHECK: Macro argument 'ptr' may be better as '(ptr)' to avoid precedence issues
#42: FILE: include/asm-generic/barrier.h:321:
+#define smp_cond_load_acquire_timeout(ptr, cond_expr, time_check_expr)	\
+({									\
+	__unqual_scalar_typeof(*ptr) _val;				\
+	_val = smp_cond_load_relaxed_timeout(ptr, cond_expr,		\
+					      time_check_expr);		\
+									\
+	/* Depends on the control dependency of the wait above. */	\
+	smp_acquire__after_ctrl_dep();					\
+	(typeof(*ptr))_val;						\
+})

total: 0 errors, 0 warnings, 1 checks, 28 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 ea9c48302ac9 ("asm-generic: barrier: Add smp_cond_load_acquire_timeout()") 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, 1 checks, 28 lines checked