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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6ab3d5624e
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* kmap.c: ioremapping handlers
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*
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* Copyright (C) 2003-5 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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* - Derived from arch/m68k/mm/kmap.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/mm.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/vmalloc.h>
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#include <asm/setup.h>
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#include <asm/segment.h>
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#include <asm/page.h>
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#include <asm/pgalloc.h>
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#include <asm/io.h>
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#include <asm/system.h>
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#undef DEBUG
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/*****************************************************************************/
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/*
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* Map some physical address range into the kernel address space.
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*/
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void __iomem *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
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{
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return (void __iomem *)physaddr;
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}
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/*
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* Unmap a ioremap()ed region again
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*/
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void iounmap(void volatile __iomem *addr)
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{
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}
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/*
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* Set new cache mode for some kernel address space.
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* The caller must push data for that range itself, if such data may already
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* be in the cache.
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*/
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void kernel_set_cachemode(void *addr, unsigned long size, int cmode)
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{
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}
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