linux-kernel - Re: [PATCH v3] soc: fsl: enable acpi support

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Message-ID: <02fa05ad-6d39-e16d-ad02-7472d28b6627@csgroup.eu>
Date:   Wed, 19 Aug 2020 08:48:06 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Ran Wang <ran.wang_1@....com>, Li Yang <leoyang.li@....com>
Cc:     Peng Ma <peng.ma@....com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3] soc: fsl: enable acpi support



Le 19/08/2020 à 06:00, Ran Wang a écrit :
> From: Peng Ma <peng.ma@....com>
> 
> This patch enables ACPI support in RCPM driver.

Can you change the subject to "soc: fsl: enable acpi support in RCPM 
driver" ?

> 
> Signed-off-by: Peng Ma <peng.ma@....com>
> Signed-off-by: Ran Wang <ran.wang_1@....com>
> ---
> Change in v3:
>   - Add #ifdef CONFIG_ACPI for acpi_device_id
>   - Rename rcpm_acpi_imx_ids to rcpm_acpi_ids
> 
> Change in v2:
>   - Update acpi_device_id to fix conflict with other driver
> 
>   drivers/soc/fsl/rcpm.c | 13 ++++++++++++-
>   1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/fsl/rcpm.c b/drivers/soc/fsl/rcpm.c
> index a093dbe..55d1d73 100644
> --- a/drivers/soc/fsl/rcpm.c
> +++ b/drivers/soc/fsl/rcpm.c
> @@ -2,7 +2,7 @@
>   //
>   // rcpm.c - Freescale QorIQ RCPM driver
>   //
> -// Copyright 2019 NXP
> +// Copyright 2019-2020 NXP
>   //
>   // Author: Ran Wang <ran.wang_1@....com>
>   
> @@ -13,6 +13,7 @@
>   #include <linux/slab.h>
>   #include <linux/suspend.h>
>   #include <linux/kernel.h>
> +#include <linux/acpi.h>
>   
>   #define RCPM_WAKEUP_CELL_MAX_SIZE	7
>   
> @@ -125,6 +126,7 @@ static int rcpm_probe(struct platform_device *pdev)
>   
>   	ret = device_property_read_u32(&pdev->dev,
>   			"#fsl,rcpm-wakeup-cells", &rcpm->wakeup_cells);
> +

This blank line addition is unrelated to the patch and shouldn't be there.

Christophe

>   	if (ret)
>   		return ret;
>   
> @@ -139,10 +141,19 @@ static const struct of_device_id rcpm_of_match[] = {
>   };
>   MODULE_DEVICE_TABLE(of, rcpm_of_match);
>   
> +#ifdef CONFIG_ACPI
> +static const struct acpi_device_id rcpm_acpi_ids[] = {
> +	{"NXP0015",},
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(acpi, rcpm_acpi_ids);
> +#endif
> +
>   static struct platform_driver rcpm_driver = {
>   	.driver = {
>   		.name = "rcpm",
>   		.of_match_table = rcpm_of_match,
> +		.acpi_match_table = ACPI_PTR(rcpm_acpi_ids),
>   		.pm	= &rcpm_pm_ops,
>   	},
>   	.probe = rcpm_probe,
>