Re: [PATCH] mfd: max77620: publish I2C and OF module aliases

[Lee Jones <lee@kernel.org>]

On Sat, 05 Sep 2026, hpp.iscas wrote:

> MFD_MAX77620 became tristate without publishing any module alias for the
> I2C driver. Device Tree I2C clients emit OF modaliases, while legacy
> board-info clients use the existing I2C IDs, so both supported
> enumeration paths need module metadata.
> 
> Publish the I2C table and add an OF table for the three documented
> compatibles. Keep i2c_client_get_device_id() as the source of chip data
> and leave MFD child registration unchanged.
> 
> Fixes: 0d084ee9ba87 ("mfd: max77620: Allow building as a module")
> Signed-off-by: hpp.iscas <hppiscas@163.com>

Real name please.

> ---
>  drivers/mfd/max77620.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c
> index c4f89a9..6a624e6 100644
> --- a/drivers/mfd/max77620.c
> +++ b/drivers/mfd/max77620.c
> @@ -699,6 +699,15 @@ static const struct i2c_device_id max77620_id[] = {
>  	{"max77663", MAX77663},
>  	{},
>  };
> +MODULE_DEVICE_TABLE(i2c, max77620_id);
> +
> +static const struct of_device_id max77620_of_match[] = {
> +	{ .compatible = "maxim,max77620" },
> +	{ .compatible = "maxim,max20024" },
> +	{ .compatible = "maxim,max77663" },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, max77620_of_match);
>  
>  static DEFINE_SIMPLE_DEV_PM_OPS(max77620_pm_ops,
>  				max77620_i2c_suspend, max77620_i2c_resume);
> @@ -706,6 +715,7 @@ static DEFINE_SIMPLE_DEV_PM_OPS(max77620_pm_ops,
>  static struct i2c_driver max77620_driver = {
>  	.driver = {
>  		.name = "max77620",
> +		.of_match_table = max77620_of_match,
>  		.pm = pm_sleep_ptr(&max77620_pm_ops),
>  	},
>  	.probe = max77620_probe,
> 

-- 
Lee Jones