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Message-ID: <1400683387.13930.26.camel@rzhang1-toshiba> Date: Wed, 21 May 2014 22:43:07 +0800 From: Zhang Rui <rui.zhang@...el.com> To: Mika Westerberg <mika.westerberg@...ux.intel.com> Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org, bhelgaas@...gle.com, matthew.garrett@...ula.com, rafael.j.wysocki@...el.com, dmitry.torokhov@...il.com Subject: Re: [PATCH V6 09/11] ACPI: introduce flag .is_master_device On δΈ‰, 2014-05-21 at 11:52 +0300, 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? we do not enumerate everything below the first device by default, we just enumerate all the devices with _HID. But if a device has _HID and it is enumerated by its parents to a separate bus, we need this flag set for its parent. thanks, rui -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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