Re: [PATCH] iio: adc: at91-adc: Use devm_platform_ioremap_resource

From: Jonathan Cameron
Date: Mon Apr 13 2020 - 11:36:17 EST


On Sun, 12 Apr 2020 19:26:42 +0530
Aishwarya R <aishwaryarj100@xxxxxxxxx> wrote:

> From: Aishwarya Ramakrishnan <aishwaryarj100@xxxxxxxxx>
>
> Use the helper function that wraps the calls to
> platform_get_resource() and devm_ioremap_resource()
> together. It reduces boilerplate and suggested by coccinelle.
>
> Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@xxxxxxxxx>
Same comments as the previous patch. Applied anyway (this time)
mostly because it's quicker for me than insisting on a v3.

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

Thanks,

Jonathan

> ---
> drivers/iio/adc/at91_adc.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
> index abe99856c823..0368b6dc6d60 100644
> --- a/drivers/iio/adc/at91_adc.c
> +++ b/drivers/iio/adc/at91_adc.c
> @@ -1152,7 +1152,6 @@ static int at91_adc_probe(struct platform_device *pdev)
> int ret;
> struct iio_dev *idev;
> struct at91_adc_state *st;
> - struct resource *res;
> u32 reg;
>
> idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state));
> @@ -1182,9 +1181,7 @@ static int at91_adc_probe(struct platform_device *pdev)
> if (st->irq < 0)
> return -ENODEV;
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -
> - st->reg_base = devm_ioremap_resource(&pdev->dev, res);
> + st->reg_base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(st->reg_base))
> return PTR_ERR(st->reg_base);
>