xtensa: minor compiler warning fix

Fix two compiler warnings complaining about truncating a value on
a 64-bit host, and about declaring an unused variable that is only
used for a specific configuration.

Signed-off-by: Chris Zankel <chris@zankel.net>

diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 30b5c5f..1845306 100644 (file)
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -1542,7 +1542,7 @@ ENTRY(fast_second_level_miss)
         * pteval = ((pmdval - PAGE_OFFSET) & PAGE_MASK) | PAGE_DIRECTORY
         */
 
-       movi    a1, -PAGE_OFFSET
+       movi    a1, (-PAGE_OFFSET) & 0xffffffff
        add     a0, a0, a1              # pmdval - PAGE_OFFSET
        extui   a1, a0, 0, PAGE_SHIFT   # ... & PAGE_MASK
        xor     a0, a0, a1

diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 7901ee7..1908f66 100644 (file)
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -190,10 +190,13 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
                 struct task_struct * p, struct pt_regs * regs)
 {
        struct pt_regs *childregs;
-       struct thread_info *ti;
        unsigned long tos;
        int user_mode = user_mode(regs);
 
+#if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS)
+       struct thread_info *ti;
+#endif
+
        /* Set up new TSS. */
        tos = (unsigned long)task_stack_page(p) + THREAD_SIZE;
        if (user_mode)