Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH V6 09/11] ACPI: introduce flag .is_master_device | Date | Wed, 21 May 2014 13:10:33 +0200 |
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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.
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
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