static irqreturn_t gpio_interrupt(int irq, void *ignored)
{
int state;
if (!ssb_chipco_irq_status(&bcm47xx_bus.ssb.chipco,
SSB_CHIPCO_IRQ_GPIO))
return IRQ_NONE;
state = gpio_get_value(WGT634U_GPIO_RESET);
gpio_polarity(WGT634U_GPIO_RESET, state);
if (!state) {
printk(KERN_INFO "Reset button pressed");
ctrl_alt_del();
}
return IRQ_HANDLED;
}
static irqreturn_t gpio_interrupt(int irq, void *ignored)
{
int state;
/* Interrupts are shared, check if the current one is
a GPIO interrupt. */
if (!ssb_chipco_irq_status(&bcm47xx_bus.ssb.chipco,
SSB_CHIPCO_IRQ_GPIO))
return IRQ_NONE;
state = gpio_get_value(WGT634U_GPIO_RESET);
/* Interrupt are level triggered, revert the interrupt polarity
to clear the interrupt. */
gpio_polarity(WGT634U_GPIO_RESET, state);
if (!state) {
printk(KERN_INFO "Reset button pressed");
ctrl_alt_del();
}
return IRQ_HANDLED;
}
