sh: Make iounmap_fixed() return success/failure for iounmap() path.
This converts iounmap_fixed() to return success/error if it handled the
unmap request or not. At the same time, drop the __init label, as this
can be called in to later.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 9aa9438..6a0dd8c 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -22,6 +22,7 @@
* for old compat code for I/O offseting to SuperIOs, all of which are
* better handled through the machvec ioport mapping routines these days.
*/
+#include <linux/errno.h>
#include <asm/cache.h>
#include <asm/system.h>
#include <asm/addrspace.h>
@@ -239,7 +240,7 @@
#ifdef CONFIG_IOREMAP_FIXED
extern void __iomem *ioremap_fixed(resource_size_t, unsigned long, pgprot_t);
-extern void iounmap_fixed(void __iomem *);
+extern int iounmap_fixed(void __iomem *);
extern void ioremap_fixed_init(void);
#else
static inline void __iomem *
@@ -249,7 +250,7 @@
}
static inline void ioremap_fixed_init(void) { }
-static inline void iounmap_fixed(void __iomem *addr) { }
+static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; }
#endif
static inline void __iomem *