Excerpts from Alan Cox's message of sam avr 30 06:15:36 -0400 2011: > > + /* Enable IRQ generation */ > > + mutex_lock(&drvdata->gpio_lock); > > + PORT_BIT_SET(0x7A, 7); /* DIO1_13 on IRQ7 */ > > + PORT_BIT_SET(0x7D, 7); /* DIO2_13 on IRQ6 */ > > + if (use_lcdio) { > > + PORT_BIT_CLEAR(0x7D, 4); /* Enable LCD header usage as DIO */ > > + PORT_BIT_SET(0x7D, 6); /* LCD_RS on IRQ1 */ > > + } > > What happens if an IRQ occurs at this point, you have no handler for it ? The IRQ is just not handled. What would be the proper way to handle that? Would it be possible to write those registers when the IRQ is requested? Thanks, Vivien. -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html