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Message-ID: <CAGXv+5GUaWzoPZuO3ZUX60exZeg2S=91u-i1bGOraV1AcWP9Og@mail.gmail.com>
Date: Tue, 7 Feb 2023 17:04:11 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
Cc: mturquette@...libre.com, sboyd@...nel.org, matthias.bgg@...il.com,
johnson.wang@...iatek.com, miles.chen@...iatek.com,
chun-jie.chen@...iatek.com, daniel@...rotopia.org,
fparent@...libre.com, msp@...libre.com, nfraprado@...labora.com,
rex-bc.chen@...iatek.com, zhaojh329@...il.com,
sam.shih@...iatek.com, edward-jw.yang@...iatek.com,
yangyingliang@...wei.com, granquet@...libre.com,
pablo.sun@...iatek.com, sean.wang@...iatek.com,
chen.zhong@...iatek.com, linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v1 00/45] MediaTek clocks: full module build and cleanups
On Mon, Feb 6, 2023 at 11:38 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> Il 06/02/23 16:28, AngeloGioacchino Del Regno ha scritto:
> > This is part 2 of the "MediaTek clocks cleanups and improvements" series,
> > which was already picked.
> >
> > If reading this full cover letter is too boring for you, here's a short
> > summary of the changes of this series:
> > - Added mtk_clk_pdev_probe() for mtk-mmsys probed clocks;
> > - Added divider clock support to common probe mechanism;
> > - Various cleanups here and there;
> > - Converted most clock drivers to platform_driver;
> > - MediaTek clocks can now be built as modules.
> >
> > NOTE: Applies on top of [1].
> >
> >
Something broke on MT8183 Juniper, though I'm not sure what. It ended up
crashing in mtk-cpufreq in a badly written error path. Once that was fixed
it was endlessly looping through deferred probe. Seems like mtk-cpufreq
was not able to get all its resources.
ChenYu
> ...and of course I forgot to paste the link.
>
> [1]: https://patchwork.kernel.org/project/linux-mediatek/list/?series=719067
>
> Cheers,
> Angelo
>
>
> > Full blurb:
> >
> > This huge series adds more cleanups on top, reducing size and adding more
> > commonization for clock drivers probe/remove, which also includes a new
> > common probe mechanism for multimedia clock drivers that are usually
> > probed by mtk-mmsys instead of a dt clock node: thanks to this, it was
> > finally possible to convert almost all clock drivers to the common probe
> > mechanism, which *finally again* makes us able to build all these drivers
> > as modules!
> >
> > Since this looked like being *the* way forward, I went on converting some
> > more drivers away from OF_CLK_DECLARE_DRIVER to full platform_driver(s),
> > allowing for more (actually, almost all!) drivers to be built as modules.
> >
> > While at it, I also added some more consistency in macros usage by
> > removing all of the duplicated full macro declaration for MediaTek gate
> > clocks and replacing all of those with using the GATE_MTK macro instead,
> > producing a nice reduction in amount of lines per file but, more
> > importantly, improving readability and eventual future batch changes.
> >
> > This amount of commonization will also, in my opinion, greatly improve
> > the review process for new clock drivers, as they will be mostly just a
> > list of clocks and won't contain much new code, as it's all going to be
> > handled in the common places, which also reduces chances to see new clock
> > driver related bugs emerging on one SoC or the other.
> >
> > Since I don't own devices with all of the supported MediaTek SoCs, I
> > could not test some of the conversions on real hardware... but I am
> > confident that this will work as the drivers are *very* similar on a
> > per-generation basis.
> >
> > This series was build-tested for all (both module and built-in build)
> > and was manually tested on MT6795, MT8173, MT8192, MT8195.
> >
> > AngeloGioacchino Del Regno (45):
> > clk: mediatek: clk-mtk: Switch to device_get_match_data()
> > clk: mediatek: clk-mtk: Introduce clk_mtk_pdev_{probe,remove}()
> > clk: mediatek: Migrate to mtk_clk_pdev_probe() for multimedia clocks
> > clk: mediatek: Add divider clocks to mtk_clk_simple_{probe,remove}()
> > clk: mediatek: mt2712: Migrate topckgen/mcucfg to
> > mtk_clk_simple_probe()
> > clk: mediatek: mt2712: Compress clock arrays entries to 90 columns
> > clk: mediatek: mt2712: Add error handling to
> > clk_mt2712_apmixed_probe()
> > clk: mediatek: mt2712: Move apmixedsys clock driver to its own file
> > clk: mediatek: mt2712: Change to use module_platform_driver macro
> > clk: mediatek: mt2712: Change Kconfig options to allow module build
> > clk: mediatek: mt8365: Move apmixedsys clock driver to its own file
> > clk: mediatek: mt8365: Convert to mtk_clk_simple_{probe,remove}()
> > clk: mediatek: mt8167: Compress GATE_TOPx macros
> > clk: mediatek: mt8167: Move apmixedsys as platform_driver in new file
> > clk: mediatek: mt8167: Remove __initconst annotation from arrays
> > clk: mediatek: mt8167: Convert to mtk_clk_simple_{probe,remove}()
> > clk: mediatek: mt8183: Move apmixedsys clock driver to its own file
> > clk: mediatek: mt8183: Compress clocks arrays entries where possible
> > clk: mediatek: mt8183: Convert all remaining clocks to common probe
> > clk: mediatek: Consistently use GATE_MTK() macro
> > clk: mediatek: mt7622: Properly use CLK_IS_CRITICAL flag
> > clk: mediatek: mt7622: Move apmixedsys clock driver to its own file
> > clk: mediatek: mt7622: Move infracfg to clk-mt7622-infracfg.c
> > clk: mediatek: mt7622: Convert to platform driver and simple probe
> > clk: mediatek: mt8516: Move apmixedsys clock driver to its own file
> > clk: mediatek: mt8516: Convert to platform driver and simple probe
> > clk: mediatek: mt8516: Allow building clock drivers as modules
> > clk: mediatek: Propagate struct device with
> > mtk_clk_register_dividers()
> > clk: mediatek: mt7986-apmixed: Use PLL_AO flag to set critical clock
> > clk: mediatek: mt7986-infracfg: Migrate to common probe mechanism
> > clk: mediatek: mt7986-eth: Migrate to common probe mechanism
> > clk: mediatek: mt8186-mcu: Migrate to common probe mechanism
> > clk: mediatek: Switch to module_platform_driver() where possible
> > clk: mediatek: Add MODULE_LICENSE() where missing
> > clk: mediatek: Split MT8195 clock drivers and allow module build
> > clk: mediatek: Allow building MT8192 non-critical clocks as modules
> > clk: mediatek: Allow MT7622 clocks to be built as modules
> > clk: mediatek: Allow all MT8167 clocks to be built as modules
> > clk: mediatek: Allow all MT8183 clocks to be built as modules
> > clk: mediatek: Allow building most MT6765 clock drivers as modules
> > clk: mediatek: Allow building most MT6797 clock drivers as modules
> > clk: mediatek: Split configuration options for MT8186 clock drivers
> > clk: mediatek: mt8192: Move apmixedsys clock driver to its own file
> > clk: mediatek: Kconfig: Allow module build for core mt8192 clocks
> > clk: mediatek: Add MODULE_DEVICE_TABLE() where appropriate
> >
> > drivers/clk/mediatek/Kconfig | 282 +++--
> > drivers/clk/mediatek/Makefile | 53 +-
> > drivers/clk/mediatek/clk-mt2701-aud.c | 49 +-
> > drivers/clk/mediatek/clk-mt2701-bdp.c | 27 +-
> > drivers/clk/mediatek/clk-mt2701-eth.c | 16 +-
> > drivers/clk/mediatek/clk-mt2701-g3d.c | 16 +-
> > drivers/clk/mediatek/clk-mt2701-hif.c | 16 +-
> > drivers/clk/mediatek/clk-mt2701-img.c | 15 +-
> > drivers/clk/mediatek/clk-mt2701-mm.c | 56 +-
> > drivers/clk/mediatek/clk-mt2701-vdec.c | 27 +-
> > drivers/clk/mediatek/clk-mt2701.c | 48 +-
> > drivers/clk/mediatek/clk-mt2712-apmixedsys.c | 154 +++
> > drivers/clk/mediatek/clk-mt2712-bdp.c | 16 +-
> > drivers/clk/mediatek/clk-mt2712-img.c | 15 +-
> > drivers/clk/mediatek/clk-mt2712-jpgdec.c | 16 +-
> > drivers/clk/mediatek/clk-mt2712-mfg.c | 15 +-
> > drivers/clk/mediatek/clk-mt2712-mm.c | 66 +-
> > drivers/clk/mediatek/clk-mt2712-vdec.c | 27 +-
> > drivers/clk/mediatek/clk-mt2712-venc.c | 16 +-
> > drivers/clk/mediatek/clk-mt2712.c | 1016 +++++------------
> > drivers/clk/mediatek/clk-mt6765-audio.c | 27 +-
> > drivers/clk/mediatek/clk-mt6765-cam.c | 16 +-
> > drivers/clk/mediatek/clk-mt6765-img.c | 15 +-
> > drivers/clk/mediatek/clk-mt6765-mipi0a.c | 16 +-
> > drivers/clk/mediatek/clk-mt6765-mm.c | 15 +-
> > drivers/clk/mediatek/clk-mt6765-vcodec.c | 16 +-
> > drivers/clk/mediatek/clk-mt6765.c | 90 +-
> > drivers/clk/mediatek/clk-mt6779-aud.c | 1 +
> > drivers/clk/mediatek/clk-mt6779-cam.c | 1 +
> > drivers/clk/mediatek/clk-mt6779-img.c | 1 +
> > drivers/clk/mediatek/clk-mt6779-ipe.c | 1 +
> > drivers/clk/mediatek/clk-mt6779-mfg.c | 1 +
> > drivers/clk/mediatek/clk-mt6779-mm.c | 25 +-
> > drivers/clk/mediatek/clk-mt6779-vdec.c | 1 +
> > drivers/clk/mediatek/clk-mt6779-venc.c | 1 +
> > drivers/clk/mediatek/clk-mt6779.c | 1 +
> > drivers/clk/mediatek/clk-mt6795-apmixedsys.c | 1 +
> > drivers/clk/mediatek/clk-mt6795-infracfg.c | 1 +
> > drivers/clk/mediatek/clk-mt6795-mfg.c | 1 +
> > drivers/clk/mediatek/clk-mt6795-mm.c | 56 +-
> > drivers/clk/mediatek/clk-mt6795-pericfg.c | 1 +
> > drivers/clk/mediatek/clk-mt6795-topckgen.c | 1 +
> > drivers/clk/mediatek/clk-mt6795-vdecsys.c | 1 +
> > drivers/clk/mediatek/clk-mt6795-vencsys.c | 1 +
> > drivers/clk/mediatek/clk-mt6797-img.c | 15 +-
> > drivers/clk/mediatek/clk-mt6797-mm.c | 56 +-
> > drivers/clk/mediatek/clk-mt6797-vdec.c | 27 +-
> > drivers/clk/mediatek/clk-mt6797-venc.c | 16 +-
> > drivers/clk/mediatek/clk-mt6797.c | 47 +-
> > drivers/clk/mediatek/clk-mt7622-apmixedsys.c | 138 +++
> > drivers/clk/mediatek/clk-mt7622-aud.c | 49 +-
> > drivers/clk/mediatek/clk-mt7622-eth.c | 27 +-
> > drivers/clk/mediatek/clk-mt7622-hif.c | 27 +-
> > drivers/clk/mediatek/clk-mt7622-infracfg.c | 129 +++
> > drivers/clk/mediatek/clk-mt7622.c | 375 +-----
> > drivers/clk/mediatek/clk-mt7629-eth.c | 25 +-
> > drivers/clk/mediatek/clk-mt7629-hif.c | 27 +-
> > drivers/clk/mediatek/clk-mt7629.c | 46 +-
> > drivers/clk/mediatek/clk-mt7981-apmixed.c | 2 +
> > drivers/clk/mediatek/clk-mt7981-eth.c | 3 +-
> > drivers/clk/mediatek/clk-mt7981-infracfg.c | 4 +-
> > drivers/clk/mediatek/clk-mt7981-topckgen.c | 4 +-
> > drivers/clk/mediatek/clk-mt7986-apmixed.c | 8 +-
> > drivers/clk/mediatek/clk-mt7986-eth.c | 115 +-
> > drivers/clk/mediatek/clk-mt7986-infracfg.c | 93 +-
> > drivers/clk/mediatek/clk-mt7986-topckgen.c | 4 +-
> > drivers/clk/mediatek/clk-mt8135.c | 31 +-
> > drivers/clk/mediatek/clk-mt8167-apmixedsys.c | 145 +++
> > drivers/clk/mediatek/clk-mt8167-aud.c | 47 +-
> > drivers/clk/mediatek/clk-mt8167-img.c | 50 +-
> > drivers/clk/mediatek/clk-mt8167-mfgcfg.c | 50 +-
> > drivers/clk/mediatek/clk-mt8167-mm.c | 69 +-
> > drivers/clk/mediatek/clk-mt8167-vdec.c | 59 +-
> > drivers/clk/mediatek/clk-mt8167.c | 390 ++-----
> > drivers/clk/mediatek/clk-mt8173-apmixedsys.c | 1 +
> > drivers/clk/mediatek/clk-mt8173-img.c | 1 +
> > drivers/clk/mediatek/clk-mt8173-infracfg.c | 1 +
> > drivers/clk/mediatek/clk-mt8173-mm.c | 82 +-
> > drivers/clk/mediatek/clk-mt8173-pericfg.c | 1 +
> > drivers/clk/mediatek/clk-mt8173-topckgen.c | 1 +
> > drivers/clk/mediatek/clk-mt8173-vdecsys.c | 1 +
> > drivers/clk/mediatek/clk-mt8173-vencsys.c | 1 +
> > drivers/clk/mediatek/clk-mt8183-apmixedsys.c | 194 ++++
> > drivers/clk/mediatek/clk-mt8183-audio.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-cam.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-img.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-ipu0.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-ipu1.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-ipu_adl.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-ipu_conn.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-mfgcfg.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-mm.c | 29 +-
> > drivers/clk/mediatek/clk-mt8183-vdec.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183-venc.c | 5 +-
> > drivers/clk/mediatek/clk-mt8183.c | 747 +++---------
> > drivers/clk/mediatek/clk-mt8186-apmixedsys.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-cam.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-img.c | 4 +-
> > .../clk/mediatek/clk-mt8186-imp_iic_wrap.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-infra_ao.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-ipe.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-mcu.c | 69 +-
> > drivers/clk/mediatek/clk-mt8186-mdp.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-mfg.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-mm.c | 59 +-
> > drivers/clk/mediatek/clk-mt8186-topckgen.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-vdec.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-venc.c | 4 +-
> > drivers/clk/mediatek/clk-mt8186-wpe.c | 4 +-
> > drivers/clk/mediatek/clk-mt8192-apmixedsys.c | 215 ++++
> > drivers/clk/mediatek/clk-mt8192-aud.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-cam.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-img.c | 5 +-
> > .../clk/mediatek/clk-mt8192-imp_iic_wrap.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-ipe.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-mdp.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-mfg.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-mm.c | 34 +-
> > drivers/clk/mediatek/clk-mt8192-msdc.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-scp_adsp.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-vdec.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192-venc.c | 5 +-
> > drivers/clk/mediatek/clk-mt8192.c | 223 +---
> > drivers/clk/mediatek/clk-mt8195-apmixedsys.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-apusys_pll.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-cam.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-ccu.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-img.c | 4 +-
> > .../clk/mediatek/clk-mt8195-imp_iic_wrap.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-infra_ao.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-ipe.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-mfg.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-peri_ao.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-scp_adsp.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-topckgen.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-vdec.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-vdo0.c | 59 +-
> > drivers/clk/mediatek/clk-mt8195-vdo1.c | 61 +-
> > drivers/clk/mediatek/clk-mt8195-venc.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-vpp0.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-vpp1.c | 4 +-
> > drivers/clk/mediatek/clk-mt8195-wpe.c | 4 +-
> > drivers/clk/mediatek/clk-mt8365-apmixedsys.c | 166 +++
> > drivers/clk/mediatek/clk-mt8365-apu.c | 3 +-
> > drivers/clk/mediatek/clk-mt8365-cam.c | 3 +-
> > drivers/clk/mediatek/clk-mt8365-mfg.c | 3 +-
> > drivers/clk/mediatek/clk-mt8365-mm.c | 42 +-
> > drivers/clk/mediatek/clk-mt8365-vdec.c | 3 +-
> > drivers/clk/mediatek/clk-mt8365-venc.c | 3 +-
> > drivers/clk/mediatek/clk-mt8365.c | 605 ++--------
> > drivers/clk/mediatek/clk-mt8516-apmixedsys.c | 122 ++
> > drivers/clk/mediatek/clk-mt8516-aud.c | 47 +-
> > drivers/clk/mediatek/clk-mt8516.c | 246 +---
> > drivers/clk/mediatek/clk-mtk.c | 82 +-
> > drivers/clk/mediatek/clk-mtk.h | 7 +-
> > 155 files changed, 3292 insertions(+), 4355 deletions(-)
> > create mode 100644 drivers/clk/mediatek/clk-mt2712-apmixedsys.c
> > create mode 100644 drivers/clk/mediatek/clk-mt7622-apmixedsys.c
> > create mode 100644 drivers/clk/mediatek/clk-mt7622-infracfg.c
> > create mode 100644 drivers/clk/mediatek/clk-mt8167-apmixedsys.c
> > create mode 100644 drivers/clk/mediatek/clk-mt8183-apmixedsys.c
> > create mode 100644 drivers/clk/mediatek/clk-mt8192-apmixedsys.c
> > create mode 100644 drivers/clk/mediatek/clk-mt8365-apmixedsys.c
> > create mode 100644 drivers/clk/mediatek/clk-mt8516-apmixedsys.c
> >
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