linux-kernel - Re: [PATCH v2 0/7] Add SPI Multi I/O Bus Controller support for RZ/G2L

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Message-ID: <CA+V-a8t=JsMJ=w9dDpeUfdTUwFhnHrZ-eWdpTmvOxC0uvOz4Wg@mail.gmail.com>
Date:   Tue, 16 Nov 2021 10:40:08 +0000
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Mark Brown <broonie@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Sergei Shtylyov <sergei.shtylyov@...il.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        linux-mtd@...ts.infradead.org,
        linux-spi <linux-spi@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH v2 0/7] Add SPI Multi I/O Bus Controller support for RZ/G2L

Hi Krzysztof,

On Tue, Nov 16, 2021 at 10:33 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...onical.com> wrote:
>
> On 25/10/2021 22:56, Lad Prabhakar wrote:
> > Hi All,
> >
> > This patch series adds a couple of fixes for rpc-if driver and
> > adds support for RZ/G2L SoC, where the SPI Multi I/O Bus Controller
> > is identical to the RPC-IF block found on R-Car Gen3 SoC's.
> >
> > Cheers,
> > Prabhakar
> >
> > Changes for v2:
> > * Rebased the patches on linux-next
> > * Split patch 5 from v1
> > * Included RB tags
> > * Fixed review comments pointed by Wolfram
> >
> > v1:
> > https://patchwork.kernel.org/project/linux-renesas-soc/cover/
> > 20210928140721.8805-1-prabhakar.mahadev-lad.rj@...renesas.com/
> >
> > Lad Prabhakar (7):
> >   dt-bindings: memory: renesas,rpc-if: Add support for the R9A07G044
> >   dt-bindings: memory: renesas,rpc-if: Add optional interrupts property
> >   spi: spi-rpc-if: Check return value of rpcif_sw_init()
> >   mtd: hyperbus: rpc-if: Check return value of rpcif_sw_init()
> >   memory: renesas-rpc-if: Return error in case devm_ioremap_resource()
> >     fails
> >   memory: renesas-rpc-if: Drop usage of RPCIF_DIRMAP_SIZE macro
> >   memory: renesas-rpc-if: Add support for RZ/G2L
> >
>
> Applied parts 1, 2, 5 and 6. I think 7 is going to have a new version
> due to Wolfram's comments?
>
Thank you for queuing up the patches, wrt patch 7/7 this can also be
picked up, after the internal discussion it was clear that we cannot
use the R-car hw manual for RZ/G2L (we will have to live with magic
values). Wolfram has agreed on this and has already Acked patch 7/7.

Cheers,
Prabhakar

>
> Best regards,
> Krzysztof