x86, boot: Fix port argument to inl() function

"u32 port" in inl() should be "u16 port".

[ hpa: it's a bug, but it doesn't produce incorrect code, so no need
  to put this into urgent or stable. ]

Signed-off-by: He Chunhui <hchunhui@mail.ustc.edu.cn>
Link: http://lkml.kernel.org/r/32892299.2931391328028508117.JavaMail.coremail@mailweb
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index c7093bd9f2d34f834267ccace3557e8f399f154f..18997e5a1053128369bb22029d762f9dde204874 100644 (file)
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -67,7 +67,7 @@ static inline void outl(u32 v, u16 port)
 {
        asm volatile("outl %0,%1" : : "a" (v), "dN" (port));
 }
-static inline u32 inl(u32 port)
+static inline u32 inl(u16 port)
 {
        u32 v;
        asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));