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SubjectRe: [PATCH v2 1/6] iio: imx7d_adc: Add local struct device pointer in imx7d_adc_probe()
On Sun, 14 Apr 2019 11:34:59 -0700
Andrey Smirnov <andrew.smirnov@gmail.com> wrote:

> Use a local "struct device *dev" in imx7d_adc_probe() for brevity. No
> functional change intended.
>
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> Cc: Jonathan Cameron <jic23@kernel.org>
> Cc: Hartmut Knaack <knaack.h@gmx.de>
> Cc: Lars-Peter Clausen <lars@metafoo.de>
> Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
> Cc: Chris Healy <cphealy@gmail.com>
> Cc: linux-iio@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
I applied some of these from V1. Please be sure to only send updates
of patches that were not applied.

Thanks

Jonathan

> ---
> drivers/iio/adc/imx7d_adc.c | 37 ++++++++++++++++++-------------------
> 1 file changed, 18 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/iio/adc/imx7d_adc.c b/drivers/iio/adc/imx7d_adc.c
> index ad6764fb2a23..3bbd657409d5 100644
> --- a/drivers/iio/adc/imx7d_adc.c
> +++ b/drivers/iio/adc/imx7d_adc.c
> @@ -438,51 +438,51 @@ 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;
>
> - indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*info));
> + indio_dev = devm_iio_device_alloc(dev, sizeof(*info));
> if (!indio_dev) {
> dev_err(&pdev->dev, "Failed allocating iio device\n");
> return -ENOMEM;
> }
>
> info = iio_priv(indio_dev);
> - info->dev = &pdev->dev;
> + info->dev = dev;
>
> mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - info->regs = devm_ioremap_resource(&pdev->dev, mem);
> + info->regs = devm_ioremap_resource(dev, mem);
> if (IS_ERR(info->regs)) {
> ret = PTR_ERR(info->regs);
> - dev_err(&pdev->dev,
> - "Failed to remap adc memory, err = %d\n", ret);
> + dev_err(dev, "Failed to remap adc memory, err = %d\n", ret);
> return ret;
> }
>
> irq = platform_get_irq(pdev, 0);
> if (irq < 0) {
> - dev_err(&pdev->dev, "No irq resource?\n");
> + dev_err(dev, "No irq resource?\n");
> return irq;
> }
>
> - info->clk = devm_clk_get(&pdev->dev, "adc");
> + info->clk = devm_clk_get(dev, "adc");
> if (IS_ERR(info->clk)) {
> ret = PTR_ERR(info->clk);
> - dev_err(&pdev->dev, "Failed getting clock, err = %d\n", ret);
> + dev_err(dev, "Failed getting clock, err = %d\n", ret);
> return ret;
> }
>
> - info->vref = devm_regulator_get(&pdev->dev, "vref");
> + info->vref = devm_regulator_get(dev, "vref");
> if (IS_ERR(info->vref)) {
> ret = PTR_ERR(info->vref);
> - dev_err(&pdev->dev,
> + dev_err(dev,
> "Failed getting reference voltage, err = %d\n", ret);
> return ret;
> }
>
> ret = regulator_enable(info->vref);
> if (ret) {
> - dev_err(&pdev->dev,
> + dev_err(dev,
> "Can't enable adc reference top voltage, err = %d\n",
> ret);
> return ret;
> @@ -492,8 +492,8 @@ static int imx7d_adc_probe(struct platform_device *pdev)
>
> init_completion(&info->completion);
>
> - indio_dev->name = dev_name(&pdev->dev);
> - indio_dev->dev.parent = &pdev->dev;
> + indio_dev->name = dev_name(dev);
> + indio_dev->dev.parent = dev;
> indio_dev->info = &imx7d_adc_iio_info;
> indio_dev->modes = INDIO_DIRECT_MODE;
> indio_dev->channels = imx7d_adc_iio_channels;
> @@ -501,16 +501,15 @@ static int imx7d_adc_probe(struct platform_device *pdev)
>
> ret = clk_prepare_enable(info->clk);
> if (ret) {
> - dev_err(&pdev->dev,
> - "Could not prepare or enable the clock.\n");
> + dev_err(dev, "Could not prepare or enable the clock.\n");
> goto error_adc_clk_enable;
> }
>
> - ret = devm_request_irq(info->dev, irq,
> - imx7d_adc_isr, 0,
> - dev_name(&pdev->dev), info);
> + ret = devm_request_irq(dev, irq,
> + imx7d_adc_isr, 0,
> + dev_name(dev), info);
> if (ret < 0) {
> - dev_err(&pdev->dev, "Failed requesting irq, irq = %d\n", irq);
> + dev_err(dev, "Failed requesting irq, irq = %d\n", irq);
> goto error_iio_device_register;
> }
>

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