Messages in this thread | | | Date | Tue, 28 Dec 2021 09:42:10 +0100 | Subject | Re: [PATCH 04/13] media: s5p-mfc: Use platform_get_irq() to get the interrupt | From | Andrzej Hajda <> |
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On 23.12.2021 18:30, Lad Prabhakar wrote: > platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static > allocation of IRQ resources in DT core code, this causes an issue > when using hierarchical interrupt domains using "interrupts" property > in the node as this bypasses the hierarchical setup and messes up the > irq chaining. > > In preparation for removal of static setup of IRQ resource from DT core > code use platform_get_irq(). > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Regards
Andrzej
> --- > drivers/media/platform/s5p-mfc/s5p_mfc.c | 11 ++++------- > 1 file changed, 4 insertions(+), 7 deletions(-) > > diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c > index f6732f031e96..761341934925 100644 > --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c > +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c > @@ -1268,7 +1268,6 @@ static int s5p_mfc_probe(struct platform_device *pdev) > { > struct s5p_mfc_dev *dev; > struct video_device *vfd; > - struct resource *res; > int ret; > > pr_debug("%s++\n", __func__); > @@ -1294,12 +1293,10 @@ static int s5p_mfc_probe(struct platform_device *pdev) > if (IS_ERR(dev->regs_base)) > return PTR_ERR(dev->regs_base); > > - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); > - if (!res) { > - dev_err(&pdev->dev, "failed to get irq resource\n"); > - return -ENOENT; > - } > - dev->irq = res->start; > + ret = platform_get_irq(pdev, 0); > + if (ret < 0) > + return ret; > + dev->irq = ret; > ret = devm_request_irq(&pdev->dev, dev->irq, s5p_mfc_irq, > 0, pdev->name, dev); > if (ret) {
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