From: Lad Prabhakar Date: Tue, 21 Dec 2021 19:45:08 +0000 (+0000) Subject: can: ti_hecc: ti_hecc_probe(): use platform_get_irq() to get the interrupt X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=eff104cf3cf328ade52469b269c1b9b81f78a3f5;p=linux.git can: ti_hecc: ti_hecc_probe(): use platform_get_irq() to get the interrupt 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(). Link: https://lore.kernel.org/all/20211221194508.11737-1-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Lad Prabhakar Signed-off-by: Marc Kleine-Budde --- diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index 353062ead98ff..ff31b993ab178 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -859,7 +859,6 @@ static int ti_hecc_probe(struct platform_device *pdev) struct net_device *ndev = (struct net_device *)0; struct ti_hecc_priv *priv; struct device_node *np = pdev->dev.of_node; - struct resource *irq; struct regulator *reg_xceiver; int err = -ENODEV; @@ -904,9 +903,9 @@ static int ti_hecc_probe(struct platform_device *pdev) goto probe_exit_candev; } - irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!irq) { - dev_err(&pdev->dev, "No irq resource\n"); + ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) { + err = ndev->irq; goto probe_exit_candev; } @@ -920,7 +919,6 @@ static int ti_hecc_probe(struct platform_device *pdev) priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; spin_lock_init(&priv->mbx_lock); - ndev->irq = irq->start; ndev->flags |= IFF_ECHO; platform_set_drvdata(pdev, ndev); SET_NETDEV_DEV(ndev, &pdev->dev);