unsigned long flags;
u32 lvr, flr, bflr = 0;
u32 ver;
+ int ret = 0;
if (offset < 0 || offset > tgpio->gpio.ngpio)
return -EINVAL;
}
if ((trigger & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) {
- if (ver < 3)
- return -EINVAL;
+ if (ver < 3) {
+ ret = -EINVAL;
+ goto out;
+ }
else {
flr |= 1 << offset;
bflr |= 1 << offset;
iowrite32(bflr, tgpio->membase + TGPIO_BFLR);
iowrite32(1 << offset, tgpio->membase + TGPIO_ICR);
- spin_unlock_irqrestore(&tgpio->lock, flags);
- return 0;
+out:
+ spin_unlock_irqrestore(&tgpio->lock, flags);
+ return ret;
}
static void timbgpio_irq(unsigned int irq, struct irq_desc *desc)