linux-kernel - Re: [PATCH v7 2/2] PCI: Enable runtime pm of the host bridge

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <e84026cf-7b5b-a49b-6f82-f3af7c67f3ef@quicinc.com>
Date: Wed, 13 Nov 2024 10:54:26 +0530
From: Krishna Chaitanya Chundru <quic_krichai@...cinc.com>
To: Markus Elfring <Markus.Elfring@....de>, <linux-pci@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
        Kevin Xie
	<kevin.xie@...rfivetech.com>,
        Krzysztof Wilczyński
	<kw@...ux.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        "Manivannan
 Sadhasivam" <manivannan.sadhasivam@...aro.org>,
        Rob Herring <robh@...nel.org>
CC: LKML <linux-kernel@...r.kernel.org>,
        Marek Szyprowski
	<m.szyprowski@...sung.com>,
        Mayank Rana <quic_mrana@...cinc.com>,
        "Rafael J.
 Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v7 2/2] PCI: Enable runtime pm of the host bridge



On 11/11/2024 10:16 PM, Markus Elfring wrote:
> …
>> PM framework expectes parent runtime pm enabled before enabling runtime
> 
>                 expects?                PM?
> 
> 
>> pm of the child. …
> 
>    PM?
> 
> 
>> drivers, before calling pci_host_probe() as pm frameworks expects if the
> 
>                                                PM framework?
> 
> 
>> parent device supports runtime pm then it needs to enabled before child
> 
>                                   PM?
> 
> 
>> runtime pm.
> 
>            PM?
> 
> 
> Can any tags (like “Fixes” and “Cc”) become helpful for the proposed change?
Bjorn,  This problem was present from starting on wards not sure what is 
the fix tag we need to use here, is it fine if we use fix tag as below.
as at this function only we are trying add the fix.

Fixes: 49b8e3f3ed1d4 ("PCI: Add generic function to probe PCI host 
controllers")

- Krishna Chaitanya.
> 
> Regards,
> Markus