linux-kernel - Re: [PATCH v3 00/11] Add support for MT8195 SCP 2nd core

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Date:   Tue, 17 Jan 2023 07:43:14 +0000
From:   TingHan Shen (沈廷翰) 
        <TingHan.Shen@...iatek.com>
To:     "mathieu.poirier@...aro.org" <mathieu.poirier@...aro.org>
CC:     "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Tiffany Lin (林慧珊) 
        <tiffany.lin@...iatek.com>,
        "linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        Yunfei Dong (董云飞) 
        <Yunfei.Dong@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "andersson@...nel.org" <andersson@...nel.org>,
        Andrew-CT Chen (陳智迪) 
        <Andrew-CT.Chen@...iatek.com>
Subject: Re: [PATCH v3 00/11] Add support for MT8195 SCP 2nd core

On Tue, 2022-11-01 at 14:40 -0600, Mathieu Poirier wrote:
> Good day,
> 
> A lot of comments related to the handling of SCP 0 and 1 have already been made
> on this patchset, along with my own advice from the previous patchset on how to
> move forward.  As such I will wait for a new revision.
> 
> Thanks,
> Mathieu

Sorry for late response.
I'll update the series based on all of your comments.
Thank you!

> 
> On Tue, Sep 27, 2022 at 10:55:55AM +0800, Tinghan Shen wrote:
> > The mediatek remoteproc driver currently only allows bringing up a 
> > single core SCP, e.g. MT8183. It also only bringing up the 1st 
> > core in SoCs with a dual-core SCP, e.g. MT8195. This series support 
> > to bring-up the 2nd core of the dual-core SCP.
> > 
> > v2 -> v3:
> > 1. change the representation of dual-core SCP in dts file and update SCP yaml
> > 2. rewrite SCP driver to reflect the change of dts node
> > 3. add SCP core 1 node to mt8195.dtsi
> > 4. remove redundant call of rproc_boot for SCP
> > 5. refine IPI error message
> > 
> > v1 -> v2:
> > 1. update dt-binding property description
> > 2. remove kconfig for scp dual driver
> > 3. merge mtk_scp_dual.c and mtk_scp_subdev.c to mtk_scp.c
> > 
> > Tinghan Shen (11):
> >   dt-bindings: remoteproc: mediatek: Give the subnode a persistent name
> >   dt-bindings: remoteproc: mediatek: Support MT8195 dual-core SCP
> >   arm64: dts: mt8195: Add SCP core 1 node
> >   remoteproc: mediatek: Remove redundant rproc_boot
> >   remoteproc: mediatek: Add SCP core 1 register definitions
> >   remoteproc: mediatek: Add MT8195 SCP core 1 operations
> >   remoteproc: mediatek: Probe MT8195 SCP core 1
> >   remoteproc: mediatek: Control SCP core 1 boot by rproc subdevice
> >   remoteproc: mediatek: Setup MT8195 SCP core 1 SRAM offset
> >   remoteproc: mediatek: Handle MT8195 SCP core 1 watchdog timeout
> >   remoteproc: mediatek: Refine ipi handler error message
> > 
> >  .../bindings/remoteproc/mtk,scp.yaml          | 132 ++++++++--
> >  .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi |   2 +-
> >  arch/arm64/boot/dts/mediatek/mt8195.dtsi      |  14 +-
> >  .../mediatek/vcodec/mtk_vcodec_fw_scp.c       |   2 +-
> >  drivers/remoteproc/mtk_common.h               |  35 +++
> >  drivers/remoteproc/mtk_scp.c                  | 241 +++++++++++++++++-
> >  include/linux/remoteproc/mtk_scp.h            |   1 +
> >  7 files changed, 397 insertions(+), 30 deletions(-)
> > 
> > -- 
> > 2.18.0
> > 

-- 
Best regards,
TingHan