linux-kernel - Re: [PATCH 3/5] iio: proximity: hx9023s: support firmware-name property

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Message-ID: <20260209-masterful-fluffy-pegasus-bcc0de@quoll>
Date: Mon, 9 Feb 2026 09:02:46 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Yasin Lee <yasin.lee.x@...il.com>
Cc: Jonathan Cameron <jic23@...nel.org>, 
	David Lechner <dlechner@...libre.com>, Nuno Sá <nuno.sa@...log.com>, 
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, yasin.lee.x@...look.com, 
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 3/5] iio: proximity: hx9023s: support firmware-name
 property

On Mon, Feb 09, 2026 at 11:37:04AM +0800, Yasin Lee wrote:
> Add an optional firmware-name property to specify the firmware file.
> If not provided, the driver falls back to the default firmware name.
> 
> Signed-off-by: Yasin Lee <yasin.lee.x@...il.com>
> ---
>  drivers/iio/proximity/hx9023s.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/proximity/hx9023s.c b/drivers/iio/proximity/hx9023s.c
> index eb4902d18d74..b680b89956bd 100644
> --- a/drivers/iio/proximity/hx9023s.c
> +++ b/drivers/iio/proximity/hx9023s.c
> @@ -1089,6 +1089,7 @@ static int hx9023s_probe(struct i2c_client *client)
>  	struct device *dev = &client->dev;
>  	struct iio_dev *indio_dev;
>  	struct hx9023s_data *data;
> +	const char *fw_name = "hx9023s.bin";
>  	int ret;
>  
>  	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
> @@ -1111,6 +1112,10 @@ static int hx9023s_probe(struct i2c_client *client)
>  	if (ret)
>  		return dev_err_probe(dev, ret, "regulator get failed\n");
>  
> +	ret = device_property_read_string(dev, "firmware-name", &fw_name);

Incorrect order of patches, see submitting patches in DT dir about the
order - documentation always comes first. This is here an undocumented ABI.

Best regards,
Krzysztof