linux-kernel - Re: [PATCH v4 0/5] SPMI: MediaTek: Add support for multi-bus

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <46e8ec8e-977d-4e7c-9f65-0c5d9c517825@collabora.com>
Date: Wed, 5 Nov 2025 14:04:56 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: sboyd@...nel.org
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 matthias.bgg@...il.com, hsin-hsiung.wang@...iatek.com,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 kernel@...labora.com
Subject: Re: [PATCH v4 0/5] SPMI: MediaTek: Add support for multi-bus

Il 24/10/25 10:32, AngeloGioacchino Del Regno ha scritto:
> Changes in v4:

Gentle ping for this series.

Cheers,
Angelo

>   - Refactored IRQ domain handling due to deprecation of function
>     irq_domain_add_tree() to use the new irq_domain_create_tree()
>   - Added .irq_eoi() callback for rcs_irq as that better reflects
>     the actual functionality of this interrupt controller (as its
>     SLV_x_y_EINT registers are really signaling "EOI", not "ACK")
>   - Fixed to use generic_handle_domain_irq_safe() to avoid races
>   - Tested again on MT8196 Chromebook
> 
> Changes in v3:
>   - Added Fixes tag to commit 3, collected R-b tag from wenst
> 
> Changes in v2:
>   - Fixed indentation error in dt-bindings
> 
> This series adds basic support for multi-bus (multi-master) SPMI
> controllers, as found in the MediaTek MT8196 Chromebook SoC and
> the MediaTek MT6991 Dimensity 9400 Smartphone SoC, including RCS
> interrupt handling and per-bus registration.
> 
> AngeloGioacchino Del Regno (5):
>    dt-bindings: spmi: Add MediaTek MT8196 SPMI 2 Arbiter/Controllers
>    spmi: mtk-pmif: Add multi-bus support for SPMI 2.0
>    spmi: mtk-pmif: Keep spinlock until read is fully done
>    spmi: mtk-pmif: Implement Request Capable Slave (RCS) interrupt
>    spmi: mtk-pmif: Add support for MT8196 SPMI Controller
> 
>   .../bindings/spmi/mediatek,mt8196-spmi.yaml   | 138 +++++
>   drivers/spmi/spmi-mtk-pmif.c                  | 472 +++++++++++++++---
>   2 files changed, 530 insertions(+), 80 deletions(-)
>   create mode 100644 Documentation/devicetree/bindings/spmi/mediatek,mt8196-spmi.yaml
>