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Diffstat (limited to 'arch/openrisc/include/asm/io.h')
-rw-r--r--arch/openrisc/include/asm/io.h35
1 files changed, 11 insertions, 24 deletions
diff --git a/arch/openrisc/include/asm/io.h b/arch/openrisc/include/asm/io.h
index 7c691399da3f..5a6f0f16a5ce 100644
--- a/arch/openrisc/include/asm/io.h
+++ b/arch/openrisc/include/asm/io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* OpenRISC Linux
*
@@ -8,18 +9,17 @@
* OpenRISC implementation:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
* et al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef __ASM_OPENRISC_IO_H
#define __ASM_OPENRISC_IO_H
+#include <linux/types.h>
+#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
+
/*
- * PCI: can we really do 0 here if we have no port IO?
+ * PCI: We do not use IO ports in OpenRISC
*/
#define IO_SPACE_LIMIT 0
@@ -29,24 +29,11 @@
#define PIO_OFFSET 0
#define PIO_MASK 0
-#include <asm-generic/io.h>
-#include <asm/pgtable.h>
-
-extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size,
- pgprot_t prot);
-
-static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size)
-{
- return __ioremap(offset, size, PAGE_KERNEL);
-}
+/*
+ * I/O memory mapping functions.
+ */
+#define _PAGE_IOREMAP (pgprot_val(PAGE_KERNEL) | _PAGE_CI)
-/* #define _PAGE_CI 0x002 */
-static inline void __iomem *ioremap_nocache(phys_addr_t offset,
- unsigned long size)
-{
- return __ioremap(offset, size,
- __pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI));
-}
+#include <asm-generic/io.h>
-extern void iounmap(void *addr);
#endif