Re: [PATCH] ASoC: stm32: i2s: return the get_irq error

From: Olivier MOYSAN
Date: Thu Apr 25 2019 - 05:06:51 EST




On 4/24/19 5:28 PM, Fabien Dessenne wrote:
> During probe, return the "get_irq" error value instead of -ENOENT. This
> allows the driver to be deferred probed if needed.
>
> Signed-off-by: Fabien Dessenne <fabien.dessenne@xxxxxx>

Acked-by: Olivier Moysan <olivier.moysan@xxxxxx>

> ---
> sound/soc/stm/stm32_i2s.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/stm/stm32_i2s.c b/sound/soc/stm/stm32_i2s.c
> index 9526342..97d5e99 100644
> --- a/sound/soc/stm/stm32_i2s.c
> +++ b/sound/soc/stm/stm32_i2s.c
> @@ -838,8 +838,9 @@ static int stm32_i2s_parse_dt(struct platform_device *pdev,
> /* Get irqs */
> irq = platform_get_irq(pdev, 0);
> if (irq < 0) {
> - dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
> - return -ENOENT;
> + if (irq != -EPROBE_DEFER)
> + dev_err(&pdev->dev, "no irq for node %s\n", pdev->name);
> + return irq;
> }
>
> ret = devm_request_irq(&pdev->dev, irq, stm32_i2s_isr, IRQF_ONESHOT,
>