From: Sjoerd Simons <sjoerd@collabora.com>
To: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
linux-mediatek@lists.infradead.org
Cc: robh@kernel.org, conor+dt@kernel.org, mbrugger@suse.com,
y.oudjana@protonmail.com,
"Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
linux-pm@vger.kernel.org, ulf.hansson@linaro.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
mandyjh.liu@mediatek.com, lihongbo22@huawei.com,
wenst@chromium.org, matthias.bgg@gmail.com, krzk+dt@kernel.org,
kernel@collabora.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 04/10] pmdomain: mediatek: Refactor bus protection regmaps retrieval
Date: Mon, 13 Oct 2025 15:41:49 +0200 [thread overview]
Message-ID: <a2eae87efe46ebf397bcec3580eb9bc152b80846.camel@collabora.com> (raw)
In-Reply-To: <20250805074746.29457-5-angelogioacchino.delregno@collabora.com>
Hey,
On Tue, 2025-08-05 at 09:47 +0200, AngeloGioacchino Del Regno wrote:
> In preparation to add support for new generation SoCs like MT8196,
> MT6991 and other variants, which require to set bus protection on
> different busses than the ones found on legacy chips, and to also
> simplify and reduce memory footprint of this driver, refactor the
> mechanism to retrieve and use the bus protection regmaps.
>
> This is done by removing the three pointers to struct regmap from
> struct scpsys_domain (allocated for each power domain) and moving
> them to the main struct scpsys (allocated per driver instance) as
> an array of pointers to regmap named **bus_prot.
Trying to boot v6.18.0-rc1 on a Genio 700 EVK using the arm64 defconfig,
ends up hanging at boot (seemingly when probing MTU3 and/or mmc, but that
might be a red herring).
Either reverting this patch *or* having CONFIG_MTK_MMSYS builtin rather
then a module seems to solve that.
--
Sjoerd Simons <sjoerd@collabora.com>
next prev parent reply other threads:[~2025-10-13 13:42 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-05 7:47 [PATCH v3 00/10] pmdomain: Partial refactor, support modem and RTFF AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 7:47 ` [PATCH v3 01/10] dt-bindings: memory: mtk-smi: Document #access-controller-cells AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 17:53 ` Rob Herring
2025-08-05 17:53 ` Rob Herring
2025-08-05 7:47 ` [PATCH v3 02/10] dt-bindings: clock: mediatek: " AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 7:47 ` [PATCH v3 03/10] dt-bindings: power: mediatek: Document access-controllers property AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 17:56 ` Rob Herring (Arm)
2025-08-05 17:56 ` Rob Herring (Arm)
2025-08-05 7:47 ` [PATCH v3 04/10] pmdomain: mediatek: Refactor bus protection regmaps retrieval AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-10-13 13:41 ` Sjoerd Simons [this message]
2025-10-14 9:59 ` AngeloGioacchino Del Regno
2025-10-29 4:11 ` Macpaul Lin (林智斌)
2025-10-29 10:56 ` AngeloGioacchino Del Regno
2025-10-29 15:01 ` Macpaul Lin (林智斌)
2025-11-21 12:57 ` AngeloGioacchino Del Regno
2026-02-12 7:58 ` Macpaul Lin (林智斌)
2026-02-12 11:15 ` AngeloGioacchino Del Regno
2026-02-13 16:07 ` Macpaul Lin (林智斌)
2026-02-17 17:00 ` Louis-Alexis Eyraud
2025-08-05 7:47 ` [PATCH v3 05/10] pmdomain: mediatek: Handle SoCs with inverted SRAM power-down bits AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 7:47 ` [PATCH v3 06/10] pmdomain: mediatek: Move ctl sequences out of power_on/off functions AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 7:47 ` [PATCH v3 07/10] pmdomain: mediatek: Add support for modem power sequences AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 7:47 ` [PATCH v3 08/10] pmdomain: mediatek: Add support for RTFF Hardware in MT8196/MT6991 AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 7:47 ` [PATCH v3 09/10] pmdomain: mediatek: Convert all SoCs to new style regmap retrieval AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 7:47 ` [PATCH v3 10/10] arm64: dts: mediatek: Convert all SoCs to use access-controllers AngeloGioacchino Del Regno
2025-08-05 7:47 ` AngeloGioacchino Del Regno
2025-08-05 14:36 ` [PATCH v3 00/10] pmdomain: Partial refactor, support modem and RTFF Rob Herring (Arm)
2025-08-05 14:36 ` Rob Herring (Arm)
2025-08-19 12:27 ` Ulf Hansson
2025-08-19 12:27 ` Ulf Hansson
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