sh: Fix overzealous checking in __ioremap()
authorStuart Menefy <stuart.menefy@st.com>
Mon, 24 Aug 2009 09:29:25 +0000 (18:29 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Mon, 24 Aug 2009 09:29:25 +0000 (18:29 +0900)
Allow peripherals before the start of RAM to be remapped.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/mm/ioremap_32.c

index da2f418..c325061 100644 (file)
@@ -57,14 +57,6 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
        if (is_pci_memory_fixed_range(phys_addr, size))
                return (void __iomem *)phys_addr;
 
-#if !defined(CONFIG_PMB_FIXED)
-       /*
-        * Don't allow anybody to remap normal RAM that we're using..
-        */
-       if (phys_addr < virt_to_phys(high_memory))
-               return NULL;
-#endif
-
        /*
         * Mappings have to be page-aligned
         */