Hello,
i have customized board based on BealeBone Balck.
Following this link: http://processors.wiki.ti.com/index.php/AM335x_Linux_Power_Management_User_Guide
i am trying to disable waking up the System from UART0.
echo disabled > /sys/devices/ocp.2/44e09000.serial/tty/ttyO0/power/wakeup
echo disabled > /sys/devices/ocp.2/44e09000.serial/power/wakeup
this is the setting of the currnt wakeup sources:
cat /sys/kernel/debug/wakeup_sources name ................ wakeup.gpiokey ................ 44e3e00.rtc ................ alarmtimer ................
as you see there is no UART to see!! but i am still able to wake the system up from UART ??
root@milo:~# echo mem > /sys/power/state [ 5309.439410] PM: Syncing filesystems ... done. [ 5309.448122] Freezing user space processes ... (elapsed 0.004 seconds) done. [ 5309.460957] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 5309.470180] Suspending console(s) (use no_console_suspend to debug) [ 5309.531079] PM: suspend of devices complete after 53.350 msecs [ 5309.532112] PM: late suspend of devices complete after 1.017 msecs [ 5309.533249] PM: noirq suspend of devices complete after 1.119 msecs [ 5309.533326] PM: Successfully put all powerdomains to target state [ 5309.533326] PM: Wakeup source UART [ 5309.547912] PM: noirq resume of devices complete after 14.450 msecs [ 5309.548769] PM: early resume of devices complete after 0.708 msecs [ 5309.549692] c_can_platform 481d0000.d_can can0: setting BTR=2a01 BRPE=0000 [ 5309.549843] net eth0: initializing cpsw version 1.12 (0) [ 5309.552140] net eth0: phy found : id is : 0x7c0f1 [ 5309.552202] libphy: PHY 4a101000.mdio:01 not found [ 5309.552209] net eth0: phy 4a101000.mdio:01 not found on slave 1 [ 5309.774800] PM: resume of devices complete after 226.004 msecs [ 5309.853396] Restarting tasks ... [ 5309.857207] usb 2-1: USB disconnect, device number 9
as you see in line 10, the system is still waking up from UART0 !!!
any idea waht is going wrong???
Thanks
