* Ryan <ryanphilips19@xxxxxxxxxxxxxx> [160424 08:46]: > Hello, > > I wanted to check the OMAP4 UART functionality during the process of > suspend. If there is UART console activity during the process of > suspend. Can the console uart port put to idle? I also see that there > is a idle timer thread which checks for inactivity. How can one > prevent UART console input during the suspend process. On omap3/4/5 the SoC won't enter deeper idle states if the uart is active. The idle timer is for PM runtime that autoidles the UART based on a timeout. If the UART blocks suspend, then you need to check where it gets blocked in drivers/tty. It could be the DMA that blocks suspend. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html