2023-05-16 23:15:07

by Shreeya Patel

Subject: [PATCH 3/7] iio: adc: rockchip_saradc: Use of_device_get_match_data

Use of_device_get_match_data() to simplify the code.

Signed-off-by: Shreeya Patel <[email protected]>
---
drivers/iio/adc/rockchip_saradc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
index 05b66eff9a44..05ea823a8f16 100644
--- a/drivers/iio/adc/rockchip_saradc.c
+++ b/drivers/iio/adc/rockchip_saradc.c
@@ -408,10 +408,10 @@ static void rockchip_saradc_regulator_unreg_notifier(void *data)

static int rockchip_saradc_probe(struct platform_device *pdev)
{
+ const struct rockchip_saradc_data *match_data;
struct rockchip_saradc *info = NULL;
struct device_node *np = pdev->dev.of_node;
struct iio_dev *indio_dev = NULL;
- const struct of_device_id *match;
int ret;
int irq;

@@ -425,13 +425,13 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
}
info = iio_priv(indio_dev);

- match = of_match_device(rockchip_saradc_match, &pdev->dev);
- if (!match) {
+ match_data = of_device_get_match_data(&pdev->dev);
+ if (!match_data) {
dev_err(&pdev->dev, "failed to match device\n");
return -ENODEV;
}

- info->data = match->data;
+ info->data = match_data;

/* Sanity check for possible later IP variants with more channels */
if (info->data->num_channels > SARADC_MAX_CHANNELS) {
--
2.30.2

2023-05-17 10:52:13

by AngeloGioacchino Del Regno

Subject: Re: [PATCH 3/7] iio: adc: rockchip_saradc: Use of_device_get_match_data

Il 17/05/23 01:00, Shreeya Patel ha scritto:
> Use of_device_get_match_data() to simplify the code.
>
> Signed-off-by: Shreeya Patel <[email protected]>
> ---
> drivers/iio/adc/rockchip_saradc.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c
> index 05b66eff9a44..05ea823a8f16 100644
> --- a/drivers/iio/adc/rockchip_saradc.c
> +++ b/drivers/iio/adc/rockchip_saradc.c
> @@ -408,10 +408,10 @@ static void rockchip_saradc_regulator_unreg_notifier(void *data)
>
> static int rockchip_saradc_probe(struct platform_device *pdev)
> {
> + const struct rockchip_saradc_data *match_data;

s/match_data/data/g maybe?

Regardless of that,

Reviewed-by: AngeloGioacchino Del Regno <[email protected]>

> struct rockchip_saradc *info = NULL;
> struct device_node *np = pdev->dev.of_node;
> struct iio_dev *indio_dev = NULL;
> - const struct of_device_id *match;
> int ret;
> int irq;
>
> @@ -425,13 +425,13 @@ static int rockchip_saradc_probe(struct platform_device *pdev)
> }
> info = iio_priv(indio_dev);
>
> - match = of_match_device(rockchip_saradc_match, &pdev->dev);
> - if (!match) {
> + match_data = of_device_get_match_data(&pdev->dev);
> + if (!match_data) {
> dev_err(&pdev->dev, "failed to match device\n");
> return -ENODEV;
> }
>
> - info->data = match->data;
> + info->data = match_data;
>
> /* Sanity check for possible later IP variants with more channels */
> if (info->data->num_channels > SARADC_MAX_CHANNELS) {