linux-kernel - Re: [PATCH v2 2/7] nvmem: qcom-spmi-sdam: Migrate to devm_spmi_subdevice_alloc_and

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Message-ID: <41dda9bd-12c8-485a-a6d0-69d040d724cd@oss.qualcomm.com>
Date: Tue, 22 Jul 2025 13:11:59 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
        sboyd@...nel.org
Cc: jic23@...nel.org, dlechner@...libre.com, nuno.sa@...log.com,
        andy@...nel.org, arnd@...db.de, gregkh@...uxfoundation.org,
        srini@...nel.org, vkoul@...nel.org, kishon@...nel.org, sre@...nel.org,
        krzysztof.kozlowski@...aro.org, u.kleine-koenig@...libre.com,
        linux-arm-msm@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-pm@...r.kernel.org, kernel@...labora.com, wenst@...omium.org,
        casey.connolly@...aro.org
Subject: Re: [PATCH v2 2/7] nvmem: qcom-spmi-sdam: Migrate to
 devm_spmi_subdevice_alloc_and_add()

On 7/22/25 12:13 PM, AngeloGioacchino Del Regno wrote:
> Some Qualcomm PMICs integrate a SDAM device, internally located in
> a specific address range reachable through SPMI communication.
> 
> Instead of using the parent SPMI device (the main PMIC) as a kind
> of syscon in this driver, register a new SPMI sub-device for SDAM
> and initialize its own regmap with this sub-device's specific base
> address, retrieved from the devicetree.
> 
> This allows to stop manually adding the register base address to
> every R/W call in this driver, as this can be, and is now, handled
> by the regmap API instead.
> 
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad