Since the commit 
4f640efb3170dbcf99a37a3cc99060647b95428c, "%lx" is not
suitable for p->mapbase (resource_size_t) in 32-bit.  This patch fixes a
compiler warning caused by the mismatch.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
                ret = serial_txx9_register_port(&port);
                if (ret < 0) {
                        dev_err(&dev->dev, "unable to register port at index %d "
-                               "(IO%x MEM%lx IRQ%d): %d\n", i,
-                               p->iobase, p->mapbase, p->irq, ret);
+                               "(IO%x MEM%llx IRQ%d): %d\n", i,
+                               p->iobase, (unsigned long long)p->mapbase,
+                               p->irq, ret);
                }
        }
        return 0;