rc = request_irq(iface->irq, keywest_irq, SA_INTERRUPT, "keywest i2c", iface);
if (rc) {
printk(KERN_ERR "i2c-keywest: can't get IRQ %d !\n", iface->irq);
rc = request_irq(iface->irq, keywest_irq, SA_INTERRUPT, "keywest i2c", iface);
if (rc) {
printk(KERN_ERR "i2c-keywest: can't get IRQ %d !\n", iface->irq);