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 0e3423f..027ca30 100644
--- a/arch/powerpc/cpu/ppc4xx/iop480_uart.c
+++ b/arch/powerpc/cpu/ppc4xx/iop480_uart.c
@@ -134,7 +134,6 @@
int serial_init (void)
{
- volatile char val;
unsigned short br_reg;
br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
@@ -149,7 +148,7 @@
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);
}