---

yaml --- r: 181107 b: refs/heads/master c: 4f744af h: refs/heads/master i: 181105: 59eb252 181103: 15a9caf v: v3
git-mirror · Jan 18, 2010 · e011754 · e011754
1 parent b0df56c
commit e011754
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Showing 3 changed files with 11 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0b59e38ffaf7b201ff6afe5b736365d16848c7e3
+refs/heads/master: 4f744affc345f8b158615e0cdd01d1f4985837c3
diff --git a/trunk/arch/sh/include/asm/io.h b/trunk/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 @@ void __iounmap(void __iomem *addr);
 
 #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 @@ ioremap_fixed(resource_size t phys_addr, unsigned long size, pgprot_t prot)
 }
 
 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 *

diff --git a/trunk/arch/sh/mm/ioremap_fixed.c b/trunk/arch/sh/mm/ioremap_fixed.c
@@ -103,7 +103,7 @@ ioremap_fixed(resource_size_t phys_addr, unsigned long size, pgprot_t prot)
 	return map->addr;
 }
 
-void __init iounmap_fixed(void __iomem *addr)
+int iounmap_fixed(void __iomem *addr)
 {
 	enum fixed_addresses idx;
 	unsigned long virt_addr;
@@ -122,8 +122,11 @@ void __init iounmap_fixed(void __iomem *addr)
 		}
 	}
 
+	/*
+	 * If we don't match, it's not for us.
+	 */
 	if (slot < 0)
-		return;
+		return -EINVAL;
 
 	virt_addr = (unsigned long)addr;
 
@@ -141,4 +144,6 @@ void __init iounmap_fixed(void __iomem *addr)
 
 	map->size = 0;
 	map->addr = NULL;
+
+	return 0;
 }