Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / sh / kernel / ioport.c

diff --git a/arch/sh/kernel/ioport.c b/arch/sh/kernel/ioport.c
new file mode 100644 (file)
index 0000000..e3ad610
--- /dev/null
+++ b/arch/sh/kernel/ioport.c
@@ -0,0 +1,43 @@
+/*
+ * arch/sh/kernel/ioport.c
+ *
+ * Copyright (C) 2000  Niibe Yutaka
+ * Copyright (C) 2005 - 2007 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/module.h>
+#include <linux/io.h>
+
+const unsigned long sh_io_port_base __read_mostly = -1;
+EXPORT_SYMBOL(sh_io_port_base);
+
+void __iomem *__ioport_map(unsigned long addr, unsigned int size)
+{
+       if (sh_mv.mv_ioport_map)
+               return sh_mv.mv_ioport_map(addr, size);
+
+       return (void __iomem *)(addr + sh_io_port_base);
+}
+EXPORT_SYMBOL(__ioport_map);
+
+void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+       void __iomem *ret;
+
+       ret = __ioport_map_trapped(port, nr);
+       if (ret)
+               return ret;
+
+       return __ioport_map(port, nr);
+}
+EXPORT_SYMBOL(ioport_map);
+
+void ioport_unmap(void __iomem *addr)
+{
+       if (sh_mv.mv_ioport_unmap)
+               sh_mv.mv_ioport_unmap(addr);
+}
+EXPORT_SYMBOL(ioport_unmap);