[IA64] Remove warnings for gcc 4.0 IA64 compilation.

This patch removes some compilation warnings, mostly
trivially. acpi.c fix also noted by Kenji Kaneshige.

Signed-off-by; Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 28a4529fdd60..7e926471e4ec 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -899,7 +899,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
         if ((err = iosapic_init(phys_addr, gsi_base)))
                 return err;
 
-#if CONFIG_ACPI_NUMA
+#ifdef CONFIG_ACPI_NUMA
         acpi_map_iosapic(handle, 0, NULL, NULL);
 #endif                          /* CONFIG_ACPI_NUMA */
 
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index ba0b6a1f429f..0741b066b98f 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -491,7 +491,7 @@ GLOBAL_ENTRY(prefetch_stack)
         ;;
         lfetch.fault [r16], 128
         br.ret.sptk.many rp
-END(prefetch_switch_stack)
+END(prefetch_stack)
 
 GLOBAL_ENTRY(execve)
         mov r15=__NR_execve                     // put syscall number in place
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 1650353e3f77..af42cda6be80 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -574,7 +574,7 @@ pfm_protect_ctx_ctxsw(pfm_context_t *x)
         return 0UL;
 }
 
-static inline unsigned long
+static inline void
 pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f)
 {
         spin_unlock(&(x)->ctx_lock);