Re: External devices

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Sep 8, 2014 at 9:16 PM, AYAN KUMAR HALDER <ayankumarh@xxxxxxxxx> wrote:
>> When a device wakes up, what about the cpu , is it still on idle with cpuidle ?
>> for example how a mouse move trigger the screen to wake up ?
>>
> This is a case of system suspend/resume. Your mouse is a wake-up device. It is
> configured to send wakeup interrupts. It would wake up the cpu first
> and then  the cpu wakes up
> all the devices.

Hi,
Do you mean runtime suspend/resume ? Why will the mouse wake the cpu
from idle (cpuidle) ? Isn't it that the wakeup source will wake only
the specific device which was runtime suspended ? Thanks

_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@xxxxxxxxxxxxxxxxx
http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies




[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux