iop480_uart.c: Fix GCC 4.6 build warnings

Fix:
iop480_uart.c: In function 'serial_init':
iop480_uart.c:137:16: warning: variable 'val' set but not used [-Wunused-but-set-variable]

Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/arch/powerpc/cpu/ppc4xx/iop480_uart.c b/arch/powerpc/cpu/ppc4xx/iop480_uart.c
index 0e3423f7abba2a9015cc4c0ebc49b32063795211..027ca30c253218750ce6b53693ddf8c27e72d5b2 100644 (file)
--- a/arch/powerpc/cpu/ppc4xx/iop480_uart.c
+++ b/arch/powerpc/cpu/ppc4xx/iop480_uart.c
@@ -134,7 +134,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int serial_init (void)
 {
-       volatile char val;
        unsigned short br_reg;
 
        br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
@@ -149,7 +148,7 @@ int serial_init (void)
        out_8((u8 *)SPU_BASE + spu_RxCmd, 0xb0);        /* Enable Rx */
        out_8((u8 *)SPU_BASE + spu_TxCmd, 0x9c);        /* Enable Tx */
        out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff);   /* Clear Handshake */
-       val = in_8((u8 *)SPU_BASE + spu_RxBuff);        /* Dummy read, to clear receiver */
+       in_8((u8 *)SPU_BASE + spu_RxBuff);      /* Dummy read, to clear receiver */
 
        return (0);
 }