static void pmic_irqtype_work(struct work_struct *work)
{
struct pmic_gpio_irq *t =
container_of(work, struct pmic_gpio_irq, work);
unsigned long flags;
int i;
u16 type;
spin_lock_irqsave(&t->lock, flags);
/* As we drop the lock, we may need multiple scans if we race the
pmic_irq_type function */
while (t->dirty) {
/*
* For each pin that has the dirty bit set send an IPC
* message to configure the hardware via the PMIC
*/
for (i = 0; i < NUM_GPIO; i++) {
if (!(t->dirty & (1 << i)))
continue;
t->dirty &= ~(1 << i);
/* We can't trust the array entry or dirty
once the lock is dropped */
type = t->trigger[i];
spin_unlock_irqrestore(&t->lock, flags);
pmic_program_irqtype(i, type);
spin_lock_irqsave(&t->lock, flags);
}
}
spin_unlock_irqrestore(&t->lock, flags);
}
static void pmic_bus_sync_unlock(struct irq_data *data)
{
struct pmic_gpio *pg = irq_data_get_irq_chip_data(data);
if (pg->update_type) {
unsigned int gpio = pg->update_type & ~GPIO_UPDATE_TYPE;
pmic_program_irqtype(gpio, pg->trigger_type);
pg->update_type = 0;
}
mutex_unlock(&pg->buslock);
}
