Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20230508220126.16241-1-jim2101024@gmail.com> <20230509074651.ixcqhhmazjngxur6@mraw.org>
In-Reply-To: <20230509074651.ixcqhhmazjngxur6@mraw.org>
From:   Jim Quinlan <james.quinlan@broadcom.com>
Date:   Tue, 9 May 2023 07:22:39 -0400
Message-ID: <CA+-6iNzbiYkdG1VBM48izJWEWu0SotqRmmkvwqt82q8y5kGjqw@mail.gmail.com>
Subject: Re: [PATCH v5 0/5] PCI: brcmstb: Configure appropriate HW CLKREQ# mode
To:     Cyril Brulebois <kibi@debian.org>
Cc:     Jim Quinlan <jim2101024@gmail.com>, linux-pci@vger.kernel.org,
        Nicolas Saenz Julienne <nsaenz@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Phil Elwell <phil@raspberrypi.com>,
        bcm-kernel-feedback-list@broadcom.com,
        =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>,
        Conor Dooley <conor+dt@kernel.org>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Rob Herring <robh@kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@lists.infradead.org>
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256;
        boundary="000000000000d176ac05fb40f9ef"
Precedence: bulk

--000000000000d176ac05fb40f9ef
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

On Tue, May 9, 2023 at 3:47=E2=80=AFAM Cyril Brulebois <kibi@debian.org> wr=
ote:
>
> Hi Jim,
>
> Jim Quinlan <jim2101024@gmail.com> (2023-05-08):
> > v5 -- Remove DT property "brcm,completion-timeout-us" from
> >       "DT bindings" commit.  Although this error may be reported
> >       as a completion timeout, its cause was traced to an
> >       internal bus timeout which may occur even when there is
> >       no PCIe access being processed.  We set a timeout of four
> >       seconds only if we are operating in "L1SS CLKREQ#" mode.
> >    -- Correct CEM 2.0 reference provided by HW engineer,
> >       s/3.2.5.2.5/3.2.5.2.2/ (Bjorn)
> >    -- Add newline to dev_info() string (Stefan)
> >    -- Change variable rval to unsigned (Stefan)
> >    -- s/implementaion/implementation/ (Bjorn)
> >    -- s/superpowersave/powersupersave/ (Bjorn)
> >    -- Slightly modify message on "PERST#" commit.
> >    -- Rebase to torvalds master
>
> Same results as with v4: looks good to me!
>
> Using an official CM4 IO Board, I've successfully tested the same 9
> setups as before, combining each:
>  - CM4 Lite Rev 1.0
>  - CM4 8/32 Rev 1.0
>  - CM4 4/32 Rev 1.1
>
> with each off-the-shelf PCIe/USB adapter at my disposal:
>  - SupaHub PCE6U1C-R02, VER 006
>  - SupaHub PCE6U1C-R02, VER 006S
>  - Waveshare based on VIA VL805/806
>
> Each system boots successfully, exposes the Kingston memory stick
> plugged onto the PCIe/USB adapter, and happily reads data from it.
>
> Note: I only tested each CM4 with the upgraded EEPROM (2023-01-11),
> and without tweaking the DTB (i.e. without adding brcm,enable-l1ss).
>
>
> Tested-By: Cyril Brulebois <cyril@debamax.com>

Thanks a lot for doing this Cyril!
>
>
> Cheers,
> --
> Cyril Brulebois (kibi@debian.org)            <https://debamax.com/>
> D-I release manager -- Release team member -- Freelance Consultant

--000000000000d176ac05fb40f9ef
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"
Content-Description: S/MIME Cryptographic Signature
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==
--000000000000d176ac05fb40f9ef--