pkarashchenko commented on code in PR #10974:
URL: https://github.com/apache/nuttx/pull/10974#discussion_r1364343018


##########
include/sys/endian.h:
##########
@@ -52,15 +52,15 @@
 /* Common byte swapping macros */
 
 #ifdef CONFIG_HAVE_BUILTIN_BSWAP16
-#  define __swap_uint16 __builtin_bswap16
+#  define __swap_uint16(n) ((uint16_t)__builtin_bswap16(n))

Review Comment:
   I think that automatic cast is applied to function parameter. Why do we need 
an explicit cast?



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