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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 15:55:59 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 15:55:59 +0100
commit329f9052dbadf6f4afe2231668bd00c579a4aa10 (patch)
treee080a5c70df40f3ae8cf28a95a3267757668ab97 /arch/sh/include/asm/fixmap.h
parentmtd/maps/pismo: remove dangling pointer and a leak (diff)
parentLinux 2.6.34-rc2 (diff)
downloadlinux-329f9052dbadf6f4afe2231668bd00c579a4aa10.tar.xz
linux-329f9052dbadf6f4afe2231668bd00c579a4aa10.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/nand/sh_flctl.c Maxim's patch to initialise sysfs attributes depends on the patch which actually adds sysfs_attr_init().
Diffstat (limited to 'arch/sh/include/asm/fixmap.h')
-rw-r--r--arch/sh/include/asm/fixmap.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/sh/include/asm/fixmap.h b/arch/sh/include/asm/fixmap.h
index 5ac1e40a511c..6e7cea453895 100644
--- a/arch/sh/include/asm/fixmap.h
+++ b/arch/sh/include/asm/fixmap.h
@@ -55,16 +55,29 @@ enum fixed_addresses {
#define FIX_N_COLOURS 8
FIX_CMAP_BEGIN,
FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS) - 1,
- FIX_UNCACHED,
+
#ifdef CONFIG_HIGHMEM
FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
#endif
+
+#ifdef CONFIG_IOREMAP_FIXED
+ /*
+ * FIX_IOREMAP entries are useful for mapping physical address
+ * space before ioremap() is useable, e.g. really early in boot
+ * before kmalloc() is working.
+ */
+#define FIX_N_IOREMAPS 32
+ FIX_IOREMAP_BEGIN,
+ FIX_IOREMAP_END = FIX_IOREMAP_BEGIN + FIX_N_IOREMAPS,
+#endif
+
__end_of_fixed_addresses
};
extern void __set_fixmap(enum fixed_addresses idx,
unsigned long phys, pgprot_t flags);
+extern void __clear_fixmap(enum fixed_addresses idx, pgprot_t flags);
#define set_fixmap(idx, phys) \
__set_fixmap(idx, phys, PAGE_KERNEL)