MIPS: IP27: Fix GCC 4.6.0 build error.

  CC      arch/mips/sgi-ip27/ip27-hubio.o
arch/mips/sgi-ip27/ip27-hubio.c: In function 'hub_pio_map':
arch/mips/sgi-ip27/ip27-hubio.c:32:20: error: variable 'junk' set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/sgi-ip27/ip27-hubio.c b/arch/mips/sgi-ip27/ip27-hubio.c
index a1fa4ab..cd0d5b0 100644 (file)
--- a/arch/mips/sgi-ip27/ip27-hubio.c
+++ b/arch/mips/sgi-ip27/ip27-hubio.c
@@ -29,7 +29,6 @@ unsigned long hub_pio_map(cnodeid_t cnode, xwidgetnum_t widget,
                          unsigned long xtalk_addr, size_t size)
 {
        nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode);
-       volatile hubreg_t junk;
        unsigned i;
 
        /* use small-window mapping if possible */
@@ -64,7 +63,7 @@ unsigned long hub_pio_map(cnodeid_t cnode, xwidgetnum_t widget,
                 * after we write it.
                 */
                IIO_ITTE_PUT(nasid, i, HUB_PIO_MAP_TO_MEM, widget, xtalk_addr);
-               junk = HUB_L(IIO_ITTE_GET(nasid, i));
+               (void) HUB_L(IIO_ITTE_GET(nasid, i));
 
                return NODE_BWIN_BASE(nasid, widget) + (xtalk_addr % BWIN_SIZE);
        }