linux-kernel - Re: [PATCH v3 2/3] i2c: amd-isp: Initialize unique adpater name

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Message-ID: <6136cfca-45ca-5832-cf5b-f49e16f6ed5e@linux.intel.com>
Date: Mon, 9 Jun 2025 11:36:19 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Pratap Nirujogi <pratap.nirujogi@....com>
cc: andi.shyti@...nel.org, rdunlap@...radead.org, 
    Hans de Goede <hdegoede@...hat.com>, sfr@...b.auug.org.au, 
    linux-next@...r.kernel.org, linux-i2c@...r.kernel.org, 
    platform-driver-x86@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, 
    benjamin.chan@....com, bin.du@....com, gjorgji.rosikopulos@....com, 
    king.li@....com, dantony@....com
Subject: Re: [PATCH v3 2/3] i2c: amd-isp: Initialize unique adpater name

On Fri, 6 Jun 2025, Pratap Nirujogi wrote:

> Initialize unique name for amdisp i2c adapter, which is used
> in the platform driver to detect the matching adapter for
> i2c_client creation.
> 
> Add definition of amdisp i2c adapter name in a new header file
> (include/linux/soc/amd/isp4_misc.h) as it is referred in different
> driver modules.
> 
> Tested-by: Randy Dunlap <rdunlap@...radead.org>
> Signed-off-by: Pratap Nirujogi <pratap.nirujogi@....com>
> ---
>  drivers/i2c/busses/i2c-designware-amdisp.c |  2 ++
>  include/linux/soc/amd/isp4_misc.h          | 12 ++++++++++++

You forgot to add this new file into MAINTAINERS file.

>  2 files changed, 14 insertions(+)
>  create mode 100644 include/linux/soc/amd/isp4_misc.h
> 
> diff --git a/drivers/i2c/busses/i2c-designware-amdisp.c b/drivers/i2c/busses/i2c-designware-amdisp.c
> index ad6f08338124..450793d5f839 100644
> --- a/drivers/i2c/busses/i2c-designware-amdisp.c
> +++ b/drivers/i2c/busses/i2c-designware-amdisp.c
> @@ -8,6 +8,7 @@
>  #include <linux/module.h>
>  #include <linux/platform_device.h>
>  #include <linux/pm_runtime.h>
> +#include <linux/soc/amd/isp4_misc.h>
>  
>  #include "i2c-designware-core.h"
>  
> @@ -62,6 +63,7 @@ static int amd_isp_dw_i2c_plat_probe(struct platform_device *pdev)
>  
>  	adap = &isp_i2c_dev->adapter;
>  	adap->owner = THIS_MODULE;
> +	scnprintf(adap->name, sizeof(adap->name), AMDISP_I2C_ADAP_NAME);
>  	ACPI_COMPANION_SET(&adap->dev, ACPI_COMPANION(&pdev->dev));
>  	adap->dev.of_node = pdev->dev.of_node;
>  	/* use dynamically allocated adapter id */
> diff --git a/include/linux/soc/amd/isp4_misc.h b/include/linux/soc/amd/isp4_misc.h
> new file mode 100644
> index 000000000000..6738796986a7
> --- /dev/null
> +++ b/include/linux/soc/amd/isp4_misc.h
> @@ -0,0 +1,12 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +
> +/*
> + * Copyright (C) 2025 Advanced Micro Devices, Inc.
> + */
> +
> +#ifndef __SOC_ISP4_MISC_H
> +#define __SOC_ISP4_MISC_H
> +
> +#define AMDISP_I2C_ADAP_NAME "AMDISP DesignWare I2C adapter"
> +
> +#endif
> 

-- 
 i.