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Diffstat (limited to 'arch/x86/mm/ioremap.c')
-rw-r--r--arch/x86/mm/ioremap.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 43c3b6896cd..7fb737c6b54 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -568,12 +568,12 @@ static void __init __early_set_fixmap(enum fixed_addresses idx,
}
static inline void __init early_set_fixmap(enum fixed_addresses idx,
- unsigned long phys)
+ unsigned long phys, pgprot_t prot)
{
if (after_paging_init)
- set_fixmap(idx, phys);
+ __set_fixmap(idx, phys, prot);
else
- __early_set_fixmap(idx, phys, PAGE_KERNEL);
+ __early_set_fixmap(idx, phys, prot);
}
static inline void __init early_clear_fixmap(enum fixed_addresses idx)
@@ -601,7 +601,7 @@ static int __init check_early_ioremap_leak(void)
}
late_initcall(check_early_ioremap_leak);
-void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
+static void __init *__early_ioremap(unsigned long phys_addr, unsigned long size, pgprot_t prot)
{
unsigned long offset, last_addr;
unsigned int nrpages, nesting;
@@ -650,7 +650,7 @@ void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
idx0 = FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*nesting;
idx = idx0;
while (nrpages > 0) {
- early_set_fixmap(idx, phys_addr);
+ early_set_fixmap(idx, phys_addr, prot);
phys_addr += PAGE_SIZE;
--idx;
--nrpages;
@@ -661,6 +661,18 @@ void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
return (void *) (offset + fix_to_virt(idx0));
}
+/* Remap an IO device */
+void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
+{
+ return __early_ioremap(phys_addr, size, PAGE_KERNEL_IO);
+}
+
+/* Remap memory */
+void __init *early_memremap(unsigned long phys_addr, unsigned long size)
+{
+ return __early_ioremap(phys_addr, size, PAGE_KERNEL);
+}
+
void __init early_iounmap(void *addr, unsigned long size)
{
unsigned long virt_addr;