diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/m32r/mm/ioremap-nommu.c | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/m32r/mm/ioremap-nommu.c')
| -rw-r--r-- | kernel/arch/m32r/mm/ioremap-nommu.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/kernel/arch/m32r/mm/ioremap-nommu.c b/kernel/arch/m32r/mm/ioremap-nommu.c new file mode 100644 index 000000000..2759f2d48 --- /dev/null +++ b/kernel/arch/m32r/mm/ioremap-nommu.c @@ -0,0 +1,52 @@ +/* + * linux/arch/m32r/mm/ioremap-nommu.c + * + * Copyright (c) 2001, 2002 Hiroyuki Kondo + * + * Taken from mips version. + * (C) Copyright 1995 1996 Linus Torvalds + * (C) Copyright 2001 Ralf Baechle + */ + +/* + * 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 <asm/addrspace.h> +#include <asm/byteorder.h> + +#include <linux/vmalloc.h> +#include <asm/io.h> +#include <asm/pgalloc.h> +#include <asm/cacheflush.h> +#include <asm/tlbflush.h> + + +/* + * Remap an arbitrary physical address space into the kernel virtual + * address space. Needed when the kernel wants to access high addresses + * directly. + * + * NOTE! We need to allow non-page-aligned mappings too: we will obviously + * have to convert them into an offset in a page-aligned mapping, but the + * caller shouldn't need to know that small detail. + */ + +#define IS_LOW512(addr) (!((unsigned long)(addr) & ~0x1fffffffUL)) + +void __iomem * +__ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) +{ + return (void *)phys_addr; +} + +#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == KSEG1) + +void iounmap(volatile void __iomem *addr) +{ +} + |