/*
* Don't remap the low PCI/ISA area, it's always mapped..
*/
- if (phys_addr >= ISA_START_ADDRESS && last_addr < ISA_END_ADDRESS)
+ if (is_ISA_range(phys_addr, last_addr))
return (__force void __iomem *)phys_to_virt(phys_addr);
/*
{
/*
* Ideally, this should be:
- * pat_wc_enabled ? _PAGE_CACHE_UC : _PAGE_CACHE_UC_MINUS;
+ * pat_enabled ? _PAGE_CACHE_UC : _PAGE_CACHE_UC_MINUS;
*
* Till we fix all X drivers to use ioremap_wc(), we will use
* UC MINUS.
*/
void __iomem *ioremap_wc(unsigned long phys_addr, unsigned long size)
{
- if (pat_wc_enabled)
+ if (pat_enabled)
return __ioremap_caller(phys_addr, size, _PAGE_CACHE_WC,
__builtin_return_address(0));
else
}
EXPORT_SYMBOL(ioremap_cache);
+static void __iomem *ioremap_default(resource_size_t phys_addr,
+ unsigned long size)
+{
+ unsigned long flags;
+ void *ret;
+ int err;
+
+ /*
+ * - WB for WB-able memory and no other conflicting mappings
+ * - UC_MINUS for non-WB-able memory with no other conflicting mappings
+ * - Inherit from confliting mappings otherwise
+ */
+ err = reserve_memtype(phys_addr, phys_addr + size, -1, &flags);
+ if (err < 0)
+ return NULL;
+
+ ret = (void *) __ioremap_caller(phys_addr, size, flags,
+ __builtin_return_address(0));
+
+ free_memtype(phys_addr, phys_addr + size);
+ return (void __iomem *)ret;
+}
+
/**
* iounmap - Free a IO remapping
* @addr: virtual address from ioremap_*
* vm_area and by simply returning an address into the kernel mapping
* of ISA space. So handle that here.
*/
- if (addr >= phys_to_virt(ISA_START_ADDRESS) &&
- addr < phys_to_virt(ISA_END_ADDRESS))
+ if ((void __force *)addr >= phys_to_virt(ISA_START_ADDRESS) &&
+ (void __force *)addr < phys_to_virt(ISA_END_ADDRESS))
return;
addr = (volatile void __iomem *)
cpa takes care of the direct mappings. */
read_lock(&vmlist_lock);
for (p = vmlist; p; p = p->next) {
- if (p->addr == addr)
+ if (p->addr == (void __force *)addr)
break;
}
read_unlock(&vmlist_lock);
free_memtype(p->phys_addr, p->phys_addr + get_vm_area_size(p));
/* Finally remove it */
- o = remove_vm_area((void *)addr);
+ o = remove_vm_area((void __force *)addr);
BUG_ON(p != o || o == NULL);
kfree(p);
}
if (page_is_ram(start >> PAGE_SHIFT))
return __va(phys);
- addr = (void *)ioremap(start, PAGE_SIZE);
+ addr = (void __force *)ioremap_default(start, PAGE_SIZE);
if (addr)
addr = (void *)((unsigned long)addr | (phys & ~PAGE_MASK));
return;
}
-#ifdef CONFIG_X86_32
-
int __initdata early_ioremap_debug;
static int __init early_ioremap_debug_setup(char *str)
early_param("early_ioremap_debug", early_ioremap_debug_setup);
static __initdata int after_paging_init;
-static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)]
- __section(.bss.page_aligned);
+static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss;
static inline pmd_t * __init early_ioremap_pmd(unsigned long addr)
{
return;
}
pte = early_ioremap_pte(addr);
+
if (pgprot_val(flags))
set_pte(pte, pfn_pte(phys >> PAGE_SHIFT, flags));
else
- pte_clear(NULL, addr, pte);
+ pte_clear(&init_mm, addr, pte);
__flush_tlb_one(addr);
}
{
WARN_ON(1);
}
-
-#endif /* CONFIG_X86_32 */