[PATCH v1 1/2] kstrtox: Make _parse_integer() take variadic arguments

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

Instead of having different functions that just use default parameters,
combine those to use variadic arguments, so the user may call it using
the same name.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 lib/kstrtox.c | 6 ------
 lib/kstrtox.h | 9 ++++++++-
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/lib/kstrtox.c b/lib/kstrtox.c
index edc4eb7c1bca..adc03e27e4a2 100644
--- a/lib/kstrtox.c
+++ b/lib/kstrtox.c
@@ -94,12 +94,6 @@ unsigned int _parse_integer_limit(const char *s, unsigned int base, unsigned lon
 	return rv | overflow;
 }
 
-noinline
-unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long *p)
-{
-	return _parse_integer_limit(s, base, p, INT_MAX);
-}
-
 static int _kstrtoull(const char *s, unsigned int base, unsigned long long *res)
 {
 	unsigned long long _res;
diff --git a/lib/kstrtox.h b/lib/kstrtox.h
index 158c400ca865..6c7ca3b67429 100644
--- a/lib/kstrtox.h
+++ b/lib/kstrtox.h
@@ -2,10 +2,17 @@
 #ifndef _LIB_KSTRTOX_H
 #define _LIB_KSTRTOX_H
 
+#include <linux/args.h>
+
 #define KSTRTOX_OVERFLOW	(1U << 31)
 const char *_parse_integer_fixup_radix(const char *s, unsigned int *base);
 unsigned int _parse_integer_limit(const char *s, unsigned int base, unsigned long long *res,
 				  size_t max_chars);
-unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long *res);
+
+#define _parse_integer0(s, base, res, ...)						\
+	_parse_integer_limit(s, base, res, INT_MAX);
+
+#define _parse_integer(s, base, res, ...)						\
+	CONCATENATE(_parse_integer, COUNT_ARGS(__VA_ARGS__))(s, base, res, __VA_ARGS__)
 
 #endif
-- 
2.50.1