MIPS: lantiq: clear all irqs properly on boot

Due to missing brackets, the irq modules were not properly reset on boot.
Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3719/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/lantiq/irq.c

@@ -271,12 +271,13 @@ void __init arch_init_irq(void)
 	if (!ltq_eiu_membase)
 		panic("Failed to remap eiu memory");
 
+	/* turn off all irqs by default */
+	for (i = 0; i < 5; i++) {
 		/* make sure all irqs are turned off by default */
-	for (i = 0; i < 5; i++)
 		ltq_icu_w32(0, LTQ_ICU_IM0_IER + (i * LTQ_ICU_OFFSET));
-
 		/* clear all possibly pending interrupts */
 		ltq_icu_w32(~0, LTQ_ICU_IM0_ISR + (i * LTQ_ICU_OFFSET));
+	}
 
 	mips_cpu_irq_init();