x86: add sparse annotations to ioremap

arch/x86/mm/ioremap.c:308:11: error: incompatible types in comparison expression (different address spaces)

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 2b2bb3f..01d7642 100644 (file)
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -318,8 +318,8 @@ void iounmap(volatile void __iomem *addr)
         * 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 *)
@@ -332,7 +332,7 @@ void iounmap(volatile void __iomem *addr)
           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);
@@ -346,7 +346,7 @@ void iounmap(volatile void __iomem *addr)
        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);
 }
@@ -365,7 +365,7 @@ void *xlate_dev_mem_ptr(unsigned long phys)
        if (page_is_ram(start >> PAGE_SHIFT))
                return __va(phys);
 
-       addr = (void *)ioremap(start, PAGE_SIZE);
+       addr = (void __force *)ioremap(start, PAGE_SIZE);
        if (addr)
                addr = (void *)((unsigned long)addr | (phys & ~PAGE_MASK));