Merge tag 'x86-asm-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 asm updates from Ingo Molnar:
 "Header fixes and a DocBook fix"

* tag 'x86-asm-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/lib: Fix compiler and kernel-doc warnings
  x86/lib: Include <asm/misc.h> to fix a missing prototypes warning at build time

arch/x86/lib/cmdline.c

@@ -7,16 +7,18 @@
 #include <linux/string.h>
 #include <linux/ctype.h>
 #include <asm/setup.h>
+#include <asm/cmdline.h>
 
 static inline int myisspace(u8 c)
 {
 	return c <= ' ';	/* Close enough approximation */
 }
 
-/**
+/*
  * Find a boolean option (like quiet,noapic,nosmp....)
  *
  * @cmdline: the cmdline string
+ * @max_cmdline_size: the maximum size of cmdline
  * @option: option string to look for
  *
  * Returns the position of that @option (starts counting with 1)

arch/x86/lib/misc.c

 // SPDX-License-Identifier: GPL-2.0
+#include <asm/misc.h>
+
 /*
  * Count the digits of @val including a possible sign.
  *