diff options
Diffstat (limited to 'drivers/irqchip/irq-imgpdc.c')
| -rw-r--r-- | drivers/irqchip/irq-imgpdc.c | 43 |
1 files changed, 16 insertions, 27 deletions
diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c index c02d29c9dc05..e9ef2f5a7207 100644 --- a/drivers/irqchip/irq-imgpdc.c +++ b/drivers/irqchip/irq-imgpdc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IMG PowerDown Controller (PDC) * @@ -222,7 +223,7 @@ static void pdc_intc_perip_isr(struct irq_desc *desc) { unsigned int irq = irq_desc_get_irq(desc); struct pdc_intc_priv *priv; - unsigned int i, irq_no; + unsigned int i; priv = (struct pdc_intc_priv *)irq_desc_get_handler_data(desc); @@ -236,14 +237,13 @@ static void pdc_intc_perip_isr(struct irq_desc *desc) found: /* pass on the interrupt */ - irq_no = irq_linear_revmap(priv->domain, i); - generic_handle_irq(irq_no); + generic_handle_domain_irq(priv->domain, i); } static void pdc_intc_syswake_isr(struct irq_desc *desc) { struct pdc_intc_priv *priv; - unsigned int syswake, irq_no; + unsigned int syswake; unsigned int status; priv = (struct pdc_intc_priv *)irq_desc_get_handler_data(desc); @@ -257,9 +257,7 @@ static void pdc_intc_syswake_isr(struct irq_desc *desc) if (!(status & 1)) continue; - irq_no = irq_linear_revmap(priv->domain, - syswake_to_hwirq(syswake)); - generic_handle_irq(irq_no); + generic_handle_domain_irq(priv->domain, syswake_to_hwirq(syswake)); } } @@ -315,16 +313,14 @@ static int pdc_intc_probe(struct platform_device *pdev) /* Allocate driver data */ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) { - dev_err(&pdev->dev, "cannot allocate device data\n"); + if (!priv) return -ENOMEM; - } raw_spin_lock_init(&priv->lock); platform_set_drvdata(pdev, priv); /* Ioremap the registers */ priv->pdc_base = devm_ioremap(&pdev->dev, res_regs->start, - res_regs->end - res_regs->start); + resource_size(res_regs)); if (!priv->pdc_base) return -EIO; @@ -353,18 +349,14 @@ static int pdc_intc_probe(struct platform_device *pdev) priv->nr_syswakes = val; /* Get peripheral IRQ numbers */ - priv->perip_irqs = devm_kzalloc(&pdev->dev, 4 * priv->nr_perips, + priv->perip_irqs = devm_kcalloc(&pdev->dev, 4, priv->nr_perips, GFP_KERNEL); - if (!priv->perip_irqs) { - dev_err(&pdev->dev, "cannot allocate perip IRQ list\n"); + if (!priv->perip_irqs) return -ENOMEM; - } for (i = 0; i < priv->nr_perips; ++i) { irq = platform_get_irq(pdev, 1 + i); - if (irq < 0) { - dev_err(&pdev->dev, "cannot find perip IRQ #%u\n", i); + if (irq < 0) return irq; - } priv->perip_irqs[i] = irq; } /* check if too many were provided */ @@ -375,15 +367,13 @@ static int pdc_intc_probe(struct platform_device *pdev) /* Get syswake IRQ number */ irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "cannot find syswake IRQ\n"); + if (irq < 0) return irq; - } priv->syswake_irq = irq; /* Set up an IRQ domain */ - priv->domain = irq_domain_add_linear(node, 16, &irq_generic_chip_ops, - priv); + priv->domain = irq_domain_create_linear(dev_fwnode(&pdev->dev), 16, &irq_generic_chip_ops, + priv); if (unlikely(!priv->domain)) { dev_err(&pdev->dev, "cannot add IRQ domain\n"); return -ENOMEM; @@ -471,12 +461,11 @@ err_generic: return ret; } -static int pdc_intc_remove(struct platform_device *pdev) +static void pdc_intc_remove(struct platform_device *pdev) { struct pdc_intc_priv *priv = platform_get_drvdata(pdev); irq_domain_remove(priv->domain); - return 0; } static const struct of_device_id pdc_intc_match[] = { @@ -489,8 +478,8 @@ static struct platform_driver pdc_intc_driver = { .name = "pdc-intc", .of_match_table = pdc_intc_match, }, - .probe = pdc_intc_probe, - .remove = pdc_intc_remove, + .probe = pdc_intc_probe, + .remove = pdc_intc_remove, }; static int __init pdc_intc_init(void) |