linux-kernel - Re: [PATCH v2] iio: health: max30100: use generic property handler

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Message-ID: <20200322175042.7903862d@archlinux>
Date:   Sun, 22 Mar 2020 17:50:42 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Rohit Sarkar <rohitsarkar5398@...il.com>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        alexandru.Ardelean@...log.com, dragos.bogdan@...log.com,
        Matt Ranostay <matt.ranostay@...sulko.com>
Subject: Re: [PATCH v2] iio: health: max30100: use generic property handler

On Sun, 15 Mar 2020 20:55:12 +0530
Rohit Sarkar <rohitsarkar5398@...il.com> wrote:

> Instead of of_property_read_xxx use device_property_read_xxx as it is
> compatible with ACPI too as opposed to only device tree.
> 
> Signed-off-by: Rohit Sarkar <rohitsarkar5398@...il.com>

Looks good to me.

Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with them.

Thanks,

Jonathan

> ---
> Changelog
> v1 -> v2
> - remove of_match_ptr to make it possible to use PRP0001 ACPI based
>   bindings
>  drivers/iio/health/max30100.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/health/max30100.c b/drivers/iio/health/max30100.c
> index 84010501762d..546fc37ad75d 100644
> --- a/drivers/iio/health/max30100.c
> +++ b/drivers/iio/health/max30100.c
> @@ -16,7 +16,7 @@
>  #include <linux/irq.h>
>  #include <linux/i2c.h>
>  #include <linux/mutex.h>
> -#include <linux/of.h>
> +#include <linux/property.h>
>  #include <linux/regmap.h>
>  #include <linux/iio/iio.h>
>  #include <linux/iio/buffer.h>
> @@ -267,11 +267,10 @@ static int max30100_get_current_idx(unsigned int val, int *reg)
>  static int max30100_led_init(struct max30100_data *data)
>  {
>  	struct device *dev = &data->client->dev;
> -	struct device_node *np = dev->of_node;
>  	unsigned int val[2];
>  	int reg, ret;
>  
> -	ret = of_property_read_u32_array(np, "maxim,led-current-microamp",
> +	ret = device_property_read_u32_array(dev, "maxim,led-current-microamp",
>  					(unsigned int *) &val, 2);
>  	if (ret) {
>  		/* Default to 24 mA RED LED, 50 mA IR LED */
> @@ -502,7 +501,7 @@ MODULE_DEVICE_TABLE(of, max30100_dt_ids);
>  static struct i2c_driver max30100_driver = {
>  	.driver = {
>  		.name	= MAX30100_DRV_NAME,
> -		.of_match_table	= of_match_ptr(max30100_dt_ids),
> +		.of_match_table	= max30100_dt_ids,
>  	},
>  	.probe		= max30100_probe,
>  	.remove		= max30100_remove,