linux-kernel - Re: [PATCH v3 1/3] pinctrl: qcom: lpass-lpi: Introduce pin

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Message-ID: <o2vsj7rfovoo6adwx7nhhi5g6vwowquux72m7do75g6sw3fkwf@jw5hxi4v6e3o>
Date: Wed, 27 Aug 2025 04:46:16 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: setotau@...dex.ru
Cc: Bjorn Andersson <andersson@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH v3 1/3] pinctrl: qcom: lpass-lpi: Introduce pin_offset
 callback

On Mon, Aug 25, 2025 at 03:32:28PM +0300, Nickolay Goppen via B4 Relay wrote:
> From: Nickolay Goppen <setotau@...dex.ru>
> 
> By default pin_offset is calculated by formula: LPI_TLMM_REG_OFFSET * pin_id.
> However not all platforms are using this pin_offset formula (e.g. SDM660 LPASS
> LPI uses a predefined array of offsets [1]), so add a callback to the default
> pin_offset function to add an ability for some platforms to use their own quirky
> pin_offset functions and add callbacks to pin_offset_default function for other
> platforms.
> 
> [1] https://git.codelinaro.org/clo/la/kernel/msm-4.4/-/blob/LA.UM.7.2.c27-07400-sdm660.0/drivers/pinctrl/qcom/pinctrl-lpi.c#L107
> 
> Signed-off-by: Nickolay Goppen <setotau@...dex.ru>
> ---
>  drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 18 ++++++++++++++++--
>  drivers/pinctrl/qcom/pinctrl-lpass-lpi.h |  7 +++++++
>  2 files changed, 23 insertions(+), 2 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry