linux-kernel - Re: [PATCH v2] regulator: qcom-rpmh: Update ranges for FTSMPS525

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Message-ID: <d7zkmr3kdgrtyxettnhnt4cscxodsxertmocsgtpqdokjhi7z4@ox32a25ekbfv>
Date: Fri, 15 Nov 2024 17:40:42 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Melody Olvera <quic_molvera@...cinc.com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
	Trilok Soni <quic_tsoni@...cinc.com>, Satya Durga Srinivasu Prabhala <quic_satyap@...cinc.com>, 
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] regulator: qcom-rpmh: Update ranges for FTSMPS525

On Mon, Nov 11, 2024 at 04:26:45PM -0800, Melody Olvera wrote:
> All FTSMPS525 regulators support LV and MV ranges; however,
> the boot loader firmware will determine which range to use as
> the device boots.
>     
> Nonetheless, the driver cannot determine which range was selected,
> so hardcoding the ranges as either LV or MV will not cover all cases
> as it's possible for the firmware to select a range not supported by
> the driver's current hardcoded values.
>     
> To this end, combine the ranges for the FTSMPS525s into one struct
> and point all regulators to the updated combined struct. This should
> work on all boards regardless of which range is selected by the firmware
> and more accurately caputres the capability of this regulator on a
> hardware level.
> 
> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
> ---
> Changes in V2:
> - merged FTSMPS525 lv and mv into one
> - updated all regulator structs
> ---
>  drivers/regulator/qcom-rpmh-regulator.c | 83 +++++++++++--------------
>  1 file changed, 36 insertions(+), 47 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry