From: Pranith Kumar <[email protected]>
Subject: sh: fix build error by adding generic ioport_{map/unmap}()

Fix build error as reported by Geert Uytterhoeven here:
http://kisskb.ellerman.id.au/kisskb/buildresult/11607865/

The error happens when CONFIG_HAS_IOPORT_MAP=n because of which there are
missing definitions of ioport_map/unmap(). Fix this build error by adding these
prototypes.

Signed-off-by: Pranith Kumar <[email protected]>
Reported-by: Geert Uytterhoeven <[email protected]>
Cc: <[email protected]>    [3.16+]
Signed-off-by: Andrew Morton <[email protected]>
---

 arch/sh/include/asm/io_noioport.h |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff -puN 
arch/sh/include/asm/io_noioport.h~sh-fix-build-error-by-adding-generic-ioport_map-unmap
 arch/sh/include/asm/io_noioport.h
--- 
a/arch/sh/include/asm/io_noioport.h~sh-fix-build-error-by-adding-generic-ioport_map-unmap
+++ a/arch/sh/include/asm/io_noioport.h
@@ -34,6 +34,17 @@ static inline void outl(unsigned int x,
        BUG();
 }
 
+static inline void __iomem *ioport_map(unsigned long port, unsigned int size)
+{
+       BUG();
+       return NULL;
+}
+
+static inline void ioport_unmap(void __iomem *addr)
+{
+       BUG();
+}
+
 #define inb_p(addr)    inb(addr)
 #define inw_p(addr)    inw(addr)
 #define inl_p(addr)    inl(addr)
_
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