linux-kernel - Re: [PATCH 4/5] power: reset: sc27xx: Add support for SC2730 and OF match table

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Message-ID: <58441250-1f00-45ee-8583-9863efc938e0@linux.alibaba.com>
Date: Tue, 30 Sep 2025 11:30:16 +0800
From: Baolin Wang <baolin.wang@...ux.alibaba.com>
To: Otto Pflüger <otto.pflueger@...cue.de>,
 Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Orson Zhai <orsonzhai@...il.com>,
 Chunyan Zhang <zhang.lyra@...il.com>, Lee Jones <lee@...nel.org>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] power: reset: sc27xx: Add support for SC2730 and OF
 match table



On 2025/9/27 00:23, Otto Pflüger wrote:
> Add register definitions for the SC2730 PMIC. Introduce a new struct
> sc27xx_poweroff_data for passing register information to the poweroff
> handler. Implement device tree matching to distinguish between SC2730
> and SC2731 and to probe the driver automatically.
> 
> Signed-off-by: Otto Pflüger <otto.pflueger@...cue.de>
> ---

If I remember correctly, the original driver supported SC2730 and SC2731 
chips. Are you sure the current changes are still needed? Have you 
tested them on the SC2730 chip?


config POWER_RESET_SC27XX
         tristate "Spreadtrum SC27xx PMIC power-off driver"
         depends on MFD_SC27XX_PMIC || COMPILE_TEST
         help
           This driver supports powering off a system through
           Spreadtrum SC27xx series PMICs. The SC27xx series
           PMICs includes the SC2720, SC2721, SC2723, SC2730
           and SC2731 chips.