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authorMark Salter <msalter@redhat.com>2014-04-07 15:39:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 16:36:15 -0700
commit5b7c73e00968c7fdf908c3ced31e1cc83c01ba14 (patch)
tree5d733047855bc22d40e022ea27a11ba7b52b03e4 /arch/x86/include
parent9e5c33d7aeeef62e5fa7e74f94432685bd03026b (diff)
downloadop-kernel-dev-5b7c73e00968c7fdf908c3ced31e1cc83c01ba14.zip
op-kernel-dev-5b7c73e00968c7fdf908c3ced31e1cc83c01ba14.tar.gz
x86: use generic early_ioremap
Move x86 over to the generic early ioremap implementation. Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dave Young <dyoung@redhat.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/Kbuild1
-rw-r--r--arch/x86/include/asm/fixmap.h6
-rw-r--r--arch/x86/include/asm/io.h15
3 files changed, 8 insertions, 14 deletions
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index 4acddc4..3ca9762 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -5,5 +5,6 @@ genhdr-y += unistd_64.h
genhdr-y += unistd_x32.h
generic-y += clkdev.h
+generic-y += early_ioremap.h
generic-y += cputime.h
generic-y += mcs_spinlock.h
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 8dcd35c..43f482a 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -163,5 +163,11 @@ static inline void __set_fixmap(enum fixed_addresses idx,
#include <asm-generic/fixmap.h>
+#define __late_set_fixmap(idx, phys, flags) __set_fixmap(idx, phys, flags)
+#define __late_clear_fixmap(idx) __set_fixmap(idx, 0, __pgprot(0))
+
+void __early_set_fixmap(enum fixed_addresses idx,
+ phys_addr_t phys, pgprot_t flags);
+
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_X86_FIXMAP_H */
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 7cec9ef..b8237d8 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -39,6 +39,7 @@
#include <linux/string.h>
#include <linux/compiler.h>
#include <asm/page.h>
+#include <asm/early_ioremap.h>
#define build_mmio_read(name, size, type, reg, barrier) \
static inline type name(const volatile void __iomem *addr) \
@@ -316,20 +317,6 @@ extern int ioremap_change_attr(unsigned long vaddr, unsigned long size,
unsigned long prot_val);
extern void __iomem *ioremap_wc(resource_size_t offset, unsigned long size);
-/*
- * early_ioremap() and early_iounmap() are for temporary early boot-time
- * mappings, before the real ioremap() is functional.
- * A boot-time mapping is currently limited to at most 16 pages.
- */
-extern void early_ioremap_init(void);
-extern void early_ioremap_reset(void);
-extern void __iomem *early_ioremap(resource_size_t phys_addr,
- unsigned long size);
-extern void *early_memremap(resource_size_t phys_addr,
- unsigned long size);
-extern void early_iounmap(void __iomem *addr, unsigned long size);
-extern void early_memunmap(void *addr, unsigned long size);
-extern void fixup_early_ioremap(void);
extern bool is_early_ioremap_ptep(pte_t *ptep);
#ifdef CONFIG_XEN
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