Re: [PATCH 1/2] PCI/DPC: Disable interrupt generation during suspend

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

 



On Thu, Mar 22, 2018 at 11:45:17AM +0100, Lukas Wunner wrote:
> Now I've thought of one.
> 
> The port may have more children besides the port service devices,
> namely all the PCI devices below the port.  The PM core doesn't
> impose a specific ordering on suspend/resume but will try to
> parallelize among all the children.
> 
> Usually that's not what you want.  On resume, you want to resume
> the port itself (including its port services) *before* resuming
> the PCI child devices.  And the other way round on suspend.

That's a good point.

So I guess there is no way avoiding adding suspend_late/resume_early
callbacks to the pcie port service structure. I'll do that in the next
revision.
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux