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>

2 files changed, 5 insertions, 2 deletions

diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 30b5c5f7b7eb..18453067c258 100644
--- 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 7901ee76b9be..1908f6642d31 100644
--- 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)