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Date: Fri, 27 Oct 2017 10:05:03 +0800
From: jeffy <jeffy.chen@rock-chips.com>
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To: Rob Herring <robh+dt@kernel.org>
CC: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "bhelgaas@google.com" <bhelgaas@google.com>,
        "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
        Tony Lindgren <tony@atomide.com>, Shawn Lin <shawn.lin@rock-chips.com>,
        Brian Norris <briannorris@chromium.org>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Doug Anderson <dianders@chromium.org>,
        Frank Rowand <frowand.list@gmail.com>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [RFC PATCH v8 4/7] of/irq: Adjust of pci irq parsing for multiple
 interrupts
References: <20171026132840.20946-1-jeffy.chen@rock-chips.com> <20171026132840.20946-5-jeffy.chen@rock-chips.com> <CAL_Jsq+HYL0VPpzD=BYKMJ5-kuxB2Cn5tUF5RRcczUv_fdv_9w@mail.gmail.com>
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Hi Rob,

On 10/27/2017 04:02 AM, Rob Herring wrote:
> Why do you need this patch? You're moving the wakeup handling from the
> PCI device to the bridge. The bridge device is not PCI interrupts, but
> a platform device so this function doesn't matter.
>

because it's possible we have multiple PCI devices with individual WAKE# 
interrupt.

so Brian suggested we may need to support both of PCI device wakeup 
handling and the bridge wakeup handling in the pci core(as the ACPI) :)

> Rob
>
>
>