Re: [PATCH V6 09/11] ACPI: introduce flag .is_master_device

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

 



On 三, 2014-05-21 at 13:10 +0200, Rafael J. Wysocki wrote:
> On Wednesday, May 21, 2014 11:52:07 AM Mika Westerberg wrote:
> > On Thu, May 15, 2014 at 02:44:14PM +0800, Zhang Rui wrote:
> > > For some ACPI device objects, they represent master devices,
> > > and their children devices are enumerated by bus controller drivers
> > > for the buses they are on.
> > > 
> > > In this case, we do not want to enumerate their children devices to
> > > platform bus explicitly in acpi scan code.
> > > 
> > > Thus a new flag .is_master_device is introduced in this patch.
> > > 
> > > For devices with this flag set, we will not do default enumeration
> > > for their children.
> > 
> > Is there any particular reason we would like to enumerate everything
> > below the first device by default?
> 
> Yes, there is.  Device objects without _ADR under the PCI host bridge.
> 
I'm confused. Mika, what do you mean by saying "first device"?

thanks,
rui
> Or we can skip the children under every *platform* device created by this by
> default and mark the ones where we want the children to be enumerated as
> platform devices too in a special way if needed.
> 
> I guess we could try that (that was the Rui's original idea IIRC).
> 
> Rafael
> 


--
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