return device_add(&ofdev->dev);
}
-static int
+static void
of_dma_set_restricted_buffer(struct device *dev, struct device_node *np)
{
struct device_node *node, *of_node = dev->of_node;
int count, i;
+ if (!IS_ENABLED(CONFIG_DMA_RESTRICTED_POOL))
+ return;
+
count = of_property_count_elems_of_size(of_node, "memory-region",
sizeof(u32));
/*
*/
if (of_device_is_compatible(node, "restricted-dma-pool") &&
of_device_is_available(node))
- return of_reserved_mem_device_init_by_idx(dev, of_node,
- i);
+ break;
}
- return 0;
+ if (i != count && of_reserved_mem_device_init_by_idx(dev, of_node, i))
+ dev_warn(dev, "failed to initialise \"restricted-dma-pool\" memory node\n");
}
/**
arch_setup_dma_ops(dev, dma_start, size, iommu, coherent);
if (!iommu)
- return of_dma_set_restricted_buffer(dev, np);
+ of_dma_set_restricted_buffer(dev, np);
return 0;
}