On Mon, 23 Jul 2018 20:32:02 +0530
Manish Narani <manish.nar...@xilinx.com> wrote:
> This patch avoids getting irq number in xadc_remove function. Instead
> store 'irq' in xadc struct and use xadc->irq wherever needed.
> This patch also resolves a warning reported by coverity where it asks to
> check return value of platform_get_irq() for any errors in xadc_remove.
>
> Signed-off-by: Manish Narani <manish.nar...@xilinx.com>
Applied.
Thanks,
Jonathan
> ---
> drivers/iio/adc/xilinx-xadc-core.c | 10 +++++-----
> drivers/iio/adc/xilinx-xadc.h | 1 +
> 2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/adc/xilinx-xadc-core.c
> b/drivers/iio/adc/xilinx-xadc-core.c
> index 0dd306d..44a2519 100644
> --- a/drivers/iio/adc/xilinx-xadc-core.c
> +++ b/drivers/iio/adc/xilinx-xadc-core.c
> @@ -1175,6 +1175,7 @@ static int xadc_probe(struct platform_device *pdev)
>
> xadc = iio_priv(indio_dev);
> xadc->ops = id->data;
> + xadc->irq = irq;
> init_completion(&xadc->completion);
> mutex_init(&xadc->mutex);
> spin_lock_init(&xadc->lock);
> @@ -1225,11 +1226,11 @@ static int xadc_probe(struct platform_device *pdev)
> if (ret)
> goto err_free_samplerate_trigger;
>
> - ret = xadc->ops->setup(pdev, indio_dev, irq);
> + ret = xadc->ops->setup(pdev, indio_dev, xadc->irq);
> if (ret)
> goto err_clk_disable_unprepare;
>
> - ret = request_irq(irq, xadc->ops->interrupt_handler, 0,
> + ret = request_irq(xadc->irq, xadc->ops->interrupt_handler, 0,
> dev_name(&pdev->dev), indio_dev);
> if (ret)
> goto err_clk_disable_unprepare;
> @@ -1288,7 +1289,7 @@ static int xadc_probe(struct platform_device *pdev)
> return 0;
>
> err_free_irq:
> - free_irq(irq, indio_dev);
> + free_irq(xadc->irq, indio_dev);
> err_clk_disable_unprepare:
> clk_disable_unprepare(xadc->clk);
> err_free_samplerate_trigger:
> @@ -1310,7 +1311,6 @@ static int xadc_remove(struct platform_device *pdev)
> {
> struct iio_dev *indio_dev = platform_get_drvdata(pdev);
> struct xadc *xadc = iio_priv(indio_dev);
> - int irq = platform_get_irq(pdev, 0);
>
> iio_device_unregister(indio_dev);
> if (xadc->ops->flags & XADC_FLAGS_BUFFERED) {
> @@ -1318,7 +1318,7 @@ static int xadc_remove(struct platform_device *pdev)
> iio_trigger_free(xadc->convst_trigger);
> iio_triggered_buffer_cleanup(indio_dev);
> }
> - free_irq(irq, indio_dev);
> + free_irq(xadc->irq, indio_dev);
> clk_disable_unprepare(xadc->clk);
> cancel_delayed_work(&xadc->zynq_unmask_work);
> kfree(xadc->data);
> diff --git a/drivers/iio/adc/xilinx-xadc.h b/drivers/iio/adc/xilinx-xadc.h
> index 62edbda..8c00095 100644
> --- a/drivers/iio/adc/xilinx-xadc.h
> +++ b/drivers/iio/adc/xilinx-xadc.h
> @@ -68,6 +68,7 @@ struct xadc {
> spinlock_t lock;
>
> struct completion completion;
> + int irq;
> };
>
> struct xadc_ops {
