Something

#ifdef  CONFIG_PM
static irqreturn_t
amlm5900_wake_interrupt(int irq, void *ignored, struct pt_regs *regs)
{
        return IRQ_HANDLED;
}
#endif
 
static void __init amlm5900_init(void)
{
 
#ifdef  CONFIG_PM
 
        int ret = 0;
 
        ret = request_irq(IRQ_EINT9, &amlm5900_wake_interrupt,
                                IRQF_TRIGGER_RISING | IRQF_SHARED,
                                "amlm5900_wakeup", &amlm5900_wake_interrupt);
        if (ret != 0) {
                printk(KERN_ERR "AML-M5900: no wakeup irq, %d?\n", ret);
        } else
                enable_irq_wake(IRQ_EINT9);
 
#ifdef CONFIG_FB_S3C2410
        s3c24xx_fb_set_platdata(&amlm5900_lcd_info);
#endif
 
}