of/address: little-endian fixes

Fix some endian issues in the OF address translation code.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Michal Simek <monstr@monstr.eu>
CC: Stephen Rothwell <sfr@canb.auug.org.au>

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 2a905d5..0b04137 100644 (file)
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -22,7 +22,7 @@ static void of_dump_addr(const char *s, const u32 *addr, int na)
 {
        printk(KERN_DEBUG "%s", s);
        while (na--)
-               printk(" %08x", *(addr++));
+               printk(" %08x", be32_to_cpu(*(addr++)));
        printk("\n");
 }
 #else
@@ -79,8 +79,8 @@ static int of_bus_default_translate(u32 *addr, u64 offset, int na)
        memset(addr, 0, na * 4);
        a += offset;
        if (na > 1)
-               addr[na - 2] = a >> 32;
-       addr[na - 1] = a & 0xffffffffu;
+               addr[na - 2] = cpu_to_be32(a >> 32);
+       addr[na - 1] = cpu_to_be32(a & 0xffffffffu);
 
        return 0;
 }
@@ -190,14 +190,16 @@ const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
        psize /= 4;
 
        onesize = na + ns;
-       for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
-               if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
+       for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) {
+               u32 val = be32_to_cpu(prop[0]);
+               if ((val & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
                        if (size)
                                *size = of_read_number(prop + na, ns);
                        if (flags)
                                *flags = bus->get_flags(prop);
                        return prop;
                }
+       }
        return NULL;
 }
 EXPORT_SYMBOL(of_get_pci_address);