linux-kernel - Re: [PATCH V4 4/4] thermal: qcom: add support for PMIC5 Gen3 ADC thermal monitoring

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Message-ID: <8556e116-a8ac-404e-b0ba-2f35dd081dfe@linaro.org>
Date: Thu, 31 Oct 2024 12:00:40 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Jishnu Prakash <quic_jprakash@...cinc.com>, jic23@...nel.org,
 robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 agross@...nel.org, andersson@...nel.org, dmitry.baryshkov@...aro.org,
 konrad.dybcio@...aro.org, daniel.lezcano@...aro.org, sboyd@...nel.org,
 quic_subbaram@...cinc.com, quic_collinsd@...cinc.com,
 quic_amelende@...cinc.com, quic_kamalw@...cinc.com, amitk@...nel.org
Cc: lee@...nel.org, rafael@...nel.org, rui.zhang@...el.com,
 lukasz.luba@....com, lars@...afoo.de, quic_skakitap@...cinc.com,
 neil.armstrong@...aro.org, devicetree@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-iio@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 cros-qcom-dts-watchers@...omium.org
Subject: Re: [PATCH V4 4/4] thermal: qcom: add support for PMIC5 Gen3 ADC
 thermal monitoring

On 30/10/2024 19:58, Jishnu Prakash wrote:
> Add support for ADC_TM part of PMIC5 Gen3.
> 
> This is an auxiliary driver under the Gen3 ADC driver, which
> implements the threshold setting and interrupt generating
> functionalities of QCOM ADC_TM drivers, used to support thermal
> trip points.
> 
> Signed-off-by: Jishnu Prakash <quic_jprakash@...cinc.com>
> ---
>  drivers/thermal/qcom/Kconfig                  |  11 +
>  drivers/thermal/qcom/Makefile                 |   1 +
>  drivers/thermal/qcom/qcom-spmi-adc-tm5-gen3.c | 489 ++++++++++++++++++
>  3 files changed, 501 insertions(+)
>  create mode 100644 drivers/thermal/qcom/qcom-spmi-adc-tm5-gen3.c
> 
> diff --git a/drivers/thermal/qcom/Kconfig b/drivers/thermal/qcom/Kconfig
> index 2c7f3f9a26eb..f9876fb8606d 100644
> --- a/drivers/thermal/qcom/Kconfig
> +++ b/drivers/thermal/qcom/Kconfig
> @@ -21,6 +21,17 @@ config QCOM_SPMI_ADC_TM5
>  	  Thermal client sets threshold temperature for both warm and cool and
>  	  gets updated when a threshold is reached.
>  
> +config QCOM_SPMI_ADC_TM5_GEN3
> +	tristate "Qualcomm SPMI PMIC Thermal Monitor ADC5 Gen3"
> +	depends on OF && SPMI && IIO && QCOM_SPMI_ADC5_GEN3

|| COMPILE_TEST won't work?

> +	select REGMAP_SPMI
> +	select QCOM_VADC_COMMON
> +	help
> +	  This enables the auxiliary thermal driver for the ADC5 Gen3 thermal
> +	  monitoring device. It shows up as a thermal zone with multiple trip points.
> +	  Thermal client sets threshold temperature for both warm and cool and
> +	  gets updated when a threshold is reached.
> +


...

> +
> +static const struct auxiliary_device_id adctm5_auxiliary_id_table[] = {
> +	{ .name = "qcom_spmi_adc5_gen3.adc5_tm_gen3", },
> +	{},
> +};
> +
> +MODULE_DEVICE_TABLE(auxiliary, adctm5_auxiliary_id_table);
> +
> +static struct adc_tm5_auxiliary_drv adctm5gen3_auxiliary_drv = {
> +	.adrv = {
> +		.id_table = adctm5_auxiliary_id_table,
> +		.probe = adc_tm5_probe,
> +	},
> +	.tm_event_notify = adctm_event_handler,
> +};
> +
> +static int __init adctm5_init_module(void)
> +{
> +	return auxiliary_driver_register(&adctm5gen3_auxiliary_drv.adrv);
> +}
> +
> +static void __exit adctm5_exit_module(void)
> +{
> +	auxiliary_driver_unregister(&adctm5gen3_auxiliary_drv.adrv);
> +}
> +
> +module_init(adctm5_init_module);
> +module_exit(adctm5_exit_module);

Why not module_auxiliary_driver?


Best regards,
Krzysztof