Linux I2C development
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From: Lee Jones <lee@kernel.org>
To: "Thomas Richard (congatec GmbH)" <thomas.richard@bootlin.com>
Cc: Andi Shyti <andi.shyti@kernel.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	Werner Gartner <Werner.Gartner@congatec.com>,
	mfd@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-i2c@vger.kernel.org
Subject: Re: [PATCH v4 5/9] mfd: cgbc: Use real I2C bus names
Date: Thu, 15 Oct 2026 16:27:00 +0100	[thread overview]
Message-ID: <20261015152700.GA2048969@google.com> (raw)
In-Reply-To: <20261002-cgbc-i2c-storage-devices-support-v4-5-eb42e0f1df59@bootlin.com>

On Fri, 02 Oct 2026, Thomas Richard (congatec GmbH) wrote:

> The adapter names described the expected purpose of the buses ("General
> Purpose I2C adapter", "Power Management I2C adapter") on conga-sa7 board
> rather than their actual names on the Board Controller.
> 
> Rename them to the real bus names "cgbc-i2c0" and "cgbc-ddc0", matching
> the naming used by Congatec, and update the variable names accordingly.
> 
> Signed-off-by: Thomas Richard (congatec GmbH) <thomas.richard@bootlin.com>
> ---
>  drivers/mfd/cgbc-core.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/mfd/cgbc-core.c b/drivers/mfd/cgbc-core.c
> index 8522df882509..a58d9ffdc277 100644
> --- a/drivers/mfd/cgbc-core.c
> +++ b/drivers/mfd/cgbc-core.c
> @@ -55,13 +55,13 @@
>  
>  static struct platform_device *cgbc_pdev;
>  
> -static const struct cgbc_i2c_platform_data cgbc_i2c_gp_pdata = {
> -	.name = "Congatec General Purpose I2C adapter",

This is odd.  We only just added these.

This should be fixed up into the original patch.

> +static const struct cgbc_i2c_platform_data cgbc_i2c_i2c0_pdata = {
> +	.name = "cgbc-i2c0",
>  	.cgbc_bus_id = 0,
>  };
>  
> -static const struct cgbc_i2c_platform_data cgbc_i2c_pm_pdata = {
> -	.name  = "Congatec Power Management I2C adapter",
> +static const struct cgbc_i2c_platform_data cgbc_i2c_ddc0_pdata = {
> +	.name  = "cgbc-ddc0",
>  	.cgbc_bus_id = 4,
>  };
>  
> @@ -71,13 +71,13 @@ static const struct mfd_cell cgbc_devs[] = {
>  	MFD_CELL_NAME("cgbc-hwmon"),
>  	{
>  		.name = "cgbc-i2c",
> -		.platform_data = &cgbc_i2c_gp_pdata,
> -		.pdata_size = sizeof(cgbc_i2c_gp_pdata),
> +		.platform_data = &cgbc_i2c_i2c0_pdata,
> +		.pdata_size = sizeof(cgbc_i2c_i2c0_pdata),
>  	},
>  	{
>  		.name = "cgbc-i2c",
> -		.platform_data = &cgbc_i2c_pm_pdata,
> -		.pdata_size = sizeof(cgbc_i2c_pm_pdata),
> +		.platform_data = &cgbc_i2c_ddc0_pdata,
> +		.pdata_size = sizeof(cgbc_i2c_ddc0_pdata),
>  	},
>  	MFD_CELL_NAME("cgbc-wdt"),
>  };
> 
> -- 
> 2.53.0
> 

-- 
Lee Jones

  reply	other threads:[~2026-10-15 15:27 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-02 11:12 [PATCH v4 0/9] Congatec Board Controller: Add storage devices support Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 1/9] mfd: cgbc: Fix use of negative error code as valid session handle Thomas Richard (congatec GmbH)
2026-10-15 15:19   ` Lee Jones
2026-10-15 17:53     ` Thomas Richard
2026-10-02 11:12 ` [PATCH v4 2/9] mfd: cgbc: Add I2C platform data Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 3/9] i2c: cgbc: Use plateform data to get bus ID and adapter name Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 4/9] mfd: cgbc: Use PLATFORM_DEVID_AUTO for child device registration Thomas Richard (congatec GmbH)
2026-10-15 15:27   ` Lee Jones
2026-10-15 17:48     ` Thomas Richard
2026-10-02 11:12 ` [PATCH v4 5/9] mfd: cgbc: Use real I2C bus names Thomas Richard (congatec GmbH)
2026-10-15 15:27   ` Lee Jones [this message]
2026-10-15 17:23     ` Thomas Richard
2026-10-02 11:12 ` [PATCH v4 6/9] i2c: cgbc: Add support for fixed frequency buses Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 7/9] mfd: cgbc: Add virtual I2C bus support Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 8/9] mfd: cgbc: Add virtual storage devices on the virtual I2C bus Thomas Richard (congatec GmbH)
2026-10-02 11:12 ` [PATCH v4 9/9] i2c: cgbc: Register known I2C devices on the bus Thomas Richard (congatec GmbH)

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