#ifdef CONFIG_PMstatic irqreturn_tosk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs){ return IRQ_HANDLED;}#endifstatic void __init osk_mistral_init(void){ /* NOTE: we could actually tell if there's a Mistral board * attached, e.g. by trying to read something from the ads7846. * But this arch_init() code is too early for that, since we * can't talk to the ads or even the i2c eeprom. */ // omap_cfg_reg(P19_1610_GPIO6); // BUSY omap_cfg_reg(P20_1610_GPIO4); // PENIRQ set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING); spi_register_board_info(mistral_boardinfo, ARRAY_SIZE(mistral_boardinfo)); /* the sideways button (SW1) is for use as a "wakeup" button */ omap_cfg_reg(N15_1610_MPUIO2); if (omap_request_gpio(OMAP_MPUIO(2)) == 0) { int ret = 0; omap_set_gpio_direction(OMAP_MPUIO(2), 1); set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);#ifdef CONFIG_PM /* share the IRQ in case someone wants to use the * button for more than wakeup from system sleep. */ ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), &osk_mistral_wake_interrupt, IRQF_SHARED, "mistral_wakeup", &osk_mistral_wake_interrupt); if (ret != 0) { omap_free_gpio(OMAP_MPUIO(2)); printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", ret); } else enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));#endif } else printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));}