astlpc: Extract MIN()/MAX() to range.h

Enable reuse beyond astlpc.c. Signed-off-by: Andrew Jeffery <[email protected]> Change-Id: I090358882b2c4b9cb1a9393a9ae38dfbe80335e9
openbmc · Nov 6, 2020 · 4622cad · 4622cad
1 parent 85c04e4
commit 4622cad
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Showing 2 changed files with 19 additions and 14 deletions.
diff --git a/astlpc.c b/astlpc.c
@@ -23,6 +23,7 @@
 #include "libmctp-log.h"
 #include "libmctp-astlpc.h"
 #include "container_of.h"
+#include "range.h"
 
 #ifdef MCTP_HAVE_FILEIO
 
@@ -129,20 +130,6 @@ static const uint32_t control_size = 0x100;
 #define KCS_STATUS_IBF			0x02
 #define KCS_STATUS_OBF			0x01
 
-#define MIN(a, b)                                                              \
-	({                                                                     \
-		typeof(a) _a = a;                                              \
-		typeof(b) _b = b;                                              \
-		_a < _b ? _a : _b;                                             \
-	})
-
-#define MAX(a, b)                                                              \
-	({                                                                     \
-		typeof(a) _a = a;                                              \
-		typeof(b) _b = b;                                              \
-		_a > _b ? _a : _b;                                             \
-	})
-
 static inline int mctp_astlpc_kcs_write(struct mctp_binding_astlpc *astlpc,
 					enum mctp_binding_astlpc_kcs_reg reg,
 					uint8_t val)

diff --git a/range.h b/range.h
@@ -0,0 +1,18 @@
+#ifndef _RANGE_H
+#define _RANGE_H
+
+#define MIN(a, b)                                                              \
+	({                                                                     \
+		typeof(a) _a = a;                                              \
+		typeof(b) _b = b;                                              \
+		_a < _b ? _a : _b;                                             \
+	})
+
+#define MAX(a, b)                                                              \
+	({                                                                     \
+		typeof(a) _a = a;                                              \
+		typeof(b) _b = b;                                              \
+		_a > _b ? _a : _b;                                             \
+	})
+
+#endif