Re: [PATCH 4/6] iio: imx7d_adc: Use devm_platform_ioremap_resource()

From: Jonathan Cameron
Date: Sun Apr 07 2019 - 07:09:55 EST


On Wed, 3 Apr 2019 00:03:23 -0700
Andrey Smirnov <andrew.smirnov@xxxxxxxxx> wrote:

> Use devm_platform_ioremap_resource() to be able to drop a bit of
> explicit boilerplate code.
>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> Cc: Jonathan Cameron <jic23@xxxxxxxxxx>
> Cc: Hartmut Knaack <knaack.h@xxxxxx>
> Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>
> Cc: Peter Meerwald-Stadler <pmeerw@xxxxxxxxxx>
> Cc: Chris Healy <cphealy@xxxxxxxxx>
> Cc: linux-iio@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
Great. That one is new to me. Looks like it only got added this cycle.

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/imx7d_adc.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/iio/adc/imx7d_adc.c b/drivers/iio/adc/imx7d_adc.c
> index 9a46838ec7cf..8bba92611d54 100644
> --- a/drivers/iio/adc/imx7d_adc.c
> +++ b/drivers/iio/adc/imx7d_adc.c
> @@ -438,7 +438,6 @@ static int imx7d_adc_probe(struct platform_device *pdev)
> {
> struct imx7d_adc *info;
> struct iio_dev *indio_dev;
> - struct resource *mem;
> struct device *dev = &pdev->dev;
> int irq;
> int ret;
> @@ -452,8 +451,7 @@ static int imx7d_adc_probe(struct platform_device *pdev)
> info = iio_priv(indio_dev);
> info->dev = dev;
>
> - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - info->regs = devm_ioremap_resource(dev, mem);
> + info->regs = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(info->regs)) {
> ret = PTR_ERR(info->regs);
> dev_err(dev, "Failed to remap adc memory, err = %d\n", ret);