linux-kernel - Re: [PATCH] iio: adc: ltc2497: Simplify probe()

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Date:   Sun, 3 Sep 2023 13:06:39 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Biju Das <biju.das.jz@...renesas.com>
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Biju Das <biju.das.au@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH] iio: adc: ltc2497: Simplify probe()

On Sat,  2 Sep 2023 18:05:29 +0100
Biju Das <biju.das.jz@...renesas.com> wrote:

> Simpilfy probe() by replacing device_get_match_data() and id lookup for
> retrieving match data by using i2c_get_match_data().
> 
> Signed-off-by: Biju Das <biju.das.jz@...renesas.com>

Applied to the togreg branch of iio.git and pushed out testing.

Thanks,

Jonathan

> ---
>  drivers/iio/adc/ltc2497.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/adc/ltc2497.c b/drivers/iio/adc/ltc2497.c
> index 5bdd40729611..6401a7727c31 100644
> --- a/drivers/iio/adc/ltc2497.c
> +++ b/drivers/iio/adc/ltc2497.c
> @@ -95,7 +95,6 @@ static int ltc2497_result_and_measure(struct ltc2497core_driverdata *ddata,
>  
>  static int ltc2497_probe(struct i2c_client *client)
>  {
> -	const struct i2c_device_id *id = i2c_client_get_device_id(client);
>  	const struct ltc2497_chip_info *chip_info;
>  	struct iio_dev *indio_dev;
>  	struct ltc2497_driverdata *st;
> @@ -115,9 +114,7 @@ static int ltc2497_probe(struct i2c_client *client)
>  	st->client = client;
>  	st->common_ddata.result_and_measure = ltc2497_result_and_measure;
>  
> -	chip_info = device_get_match_data(dev);
> -	if (!chip_info)
> -		chip_info = (const struct ltc2497_chip_info *)id->driver_data;
> +	chip_info = i2c_get_match_data(client);
>  	st->common_ddata.chip_info = chip_info;
>  
>  	resolution = chip_info->resolution;