linux-kernel - Re: [PATCH v8 0/2] PCI: brcmstb: Configure appropriate HW CLKREQ# mode

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Message-ID: <20231213195947.GA1056194@bhelgaas>
Date:   Wed, 13 Dec 2023 13:59:47 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Florian Fainelli <florian.fainelli@...adcom.com>
Cc:     Cyril Brulebois <kibi@...ian.org>,
        Jim Quinlan <james.quinlan@...adcom.com>,
        linux-pci@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Phil Elwell <phil@...pberrypi.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Conor Dooley <conor+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Jim Quinlan <jim2101024@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v8 0/2] PCI: brcmstb: Configure appropriate HW CLKREQ#
 mode

On Tue, Dec 12, 2023 at 03:51:12PM -0800, Florian Fainelli wrote:
> On 11/26/23 12:19, Cyril Brulebois wrote:
> > Hi Jim,
> > 
> > Jim Quinlan <james.quinlan@...adcom.com> (2023-11-13):
> > > V8 -- Un-advertise L1SS capability when in "no-l1ss" mode (Bjorn)
> > >     -- Squashed last two commits of v7 (Bjorn)
> > >     -- Fix DT binding description text wrapping (Bjorn)
> > >     -- Fix incorrect Spec reference (Bjorn)
> > >           s/PCIe Spec/PCIe Express Mini CEM 2.1 specification/
> > >     -- Text substitutions (Bjorn)
> > >           s/WRT/With respect to/
> > >           s/Tclron/T_CLRon/
> > > 
> > > v7 -- Manivannan Sadhasivam suggested (a) making the property look like a
> > >        network phy-mode and (b) keeping the code simple (not counting clkreq
> > >        signal appearances, un-advertising capabilites, etc).  This is
> > >        what I have done.  The property is now "brcm,clkreq-mode" and
> > >        the values may be one of "safe", "default", and "no-l1ss".  The
> > >        default setting is to employ the most capable power savings mode.
> > 
> > Still:
> > 
> > Tested-by: Cyril Brulebois <cyril@...amax.com>
> 
> Thanks Cyril! Bjorn, Lorenzo, any chance this can be applied soon? Thanks!

Seems OK to me if Lorenzo or Krzysztof W. are OK with it.