@@ -22,8 +22,6 @@
extern int mem_init_done;
-static unsigned int fixmaps_used __initdata;
-
/*
* Remap an arbitrary physical address space into the kernel virtual
* address space. Needed when the kernel wants to access high addresses
@@ -52,24 +50,14 @@ void __iomem *__ref ioremap(phys_addr_t addr, unsigned long size)
p = addr & PAGE_MASK;
size = PAGE_ALIGN(last_addr + 1) - p;
- if (likely(mem_init_done)) {
- area = get_vm_area(size, VM_IOREMAP);
- if (!area)
- return NULL;
- v = (unsigned long)area->addr;
- } else {
- if ((fixmaps_used + (size >> PAGE_SHIFT)) > FIX_N_IOREMAPS)
- return NULL;
- v = fix_to_virt(FIX_IOREMAP_BEGIN + fixmaps_used);
- fixmaps_used += (size >> PAGE_SHIFT);
- }
+ area = get_vm_area(size, VM_IOREMAP);
+ if (!area)
+ return NULL;
+ v = (unsigned long)area->addr;
if (ioremap_page_range(v, v + size, p,
__pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI))) {
- if (likely(mem_init_done))
- vfree(area->addr);
- else
- fixmaps_used -= (size >> PAGE_SHIFT);
+ vfree(area->addr);
return NULL;
}
Under arch/openrisc, there isn't any place where ioremap() is called. It means that there isn't early ioremap handling needed in openrisc, So the early ioremap handling code in ioremap() of arch/openrisc/mm/ioremap.c is unnecessary and can be removed. Signed-off-by: Baoquan He <bhe@redhat.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Stafford Horne <shorne@gmail.com> Cc: openrisc@lists.librecores.org --- arch/openrisc/mm/ioremap.c | 22 +++++----------------- 1 file changed, 5 insertions(+), 17 deletions(-)