diff options
-rw-r--r-- | drivers/irqchip/irq-gic-v3-its-platform-msi.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its-platform-msi.c b/drivers/irqchip/irq-gic-v3-its-platform-msi.c index e4ba9f4cbd1a..9e9dda33eb17 100644 --- a/drivers/irqchip/irq-gic-v3-its-platform-msi.c +++ b/drivers/irqchip/irq-gic-v3-its-platform-msi.c @@ -48,6 +48,11 @@ static int of_pmsi_get_dev_id(struct irq_domain *domain, struct device *dev, return ret; } +int __weak iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id) +{ + return -1; +} + static int its_pmsi_prepare(struct irq_domain *domain, struct device *dev, int nvec, msi_alloc_info_t *info) { @@ -57,7 +62,10 @@ static int its_pmsi_prepare(struct irq_domain *domain, struct device *dev, msi_info = msi_get_domain_info(domain->parent); - ret = of_pmsi_get_dev_id(domain, dev, &dev_id); + if (dev->of_node) + ret = of_pmsi_get_dev_id(domain, dev, &dev_id); + else + ret = iort_pmsi_get_dev_id(dev, &dev_id); if (ret) return ret; |