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-rw-r--r--drivers/amba/bus.c53
1 files changed, 51 insertions, 2 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index cc27322..b7e7285 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -527,9 +527,9 @@ int amba_device_add(struct amba_device *dev, struct resource *parent)
if (ret)
goto err_release;
- if (dev->irq[0] && dev->irq[0] != NO_IRQ)
+ if (dev->irq[0])
ret = device_create_file(&dev->dev, &dev_attr_irq0);
- if (ret == 0 && dev->irq[1] && dev->irq[1] != NO_IRQ)
+ if (ret == 0 && dev->irq[1])
ret = device_create_file(&dev->dev, &dev_attr_irq1);
if (ret == 0)
return ret;
@@ -543,6 +543,55 @@ int amba_device_add(struct amba_device *dev, struct resource *parent)
}
EXPORT_SYMBOL_GPL(amba_device_add);
+static struct amba_device *
+amba_aphb_device_add(struct device *parent, const char *name,
+ resource_size_t base, size_t size, int irq1, int irq2,
+ void *pdata, unsigned int periphid, u64 dma_mask)
+{
+ struct amba_device *dev;
+ int ret;
+
+ dev = amba_device_alloc(name, base, size);
+ if (!dev)
+ return ERR_PTR(-ENOMEM);
+
+ dev->dma_mask = dma_mask;
+ dev->dev.coherent_dma_mask = dma_mask;
+ dev->irq[0] = irq1;
+ dev->irq[1] = irq2;
+ dev->periphid = periphid;
+ dev->dev.platform_data = pdata;
+ dev->dev.parent = parent;
+
+ ret = amba_device_add(dev, &iomem_resource);
+ if (ret) {
+ amba_device_put(dev);
+ return ERR_PTR(ret);
+ }
+
+ return dev;
+}
+
+struct amba_device *
+amba_apb_device_add(struct device *parent, const char *name,
+ resource_size_t base, size_t size, int irq1, int irq2,
+ void *pdata, unsigned int periphid)
+{
+ return amba_aphb_device_add(parent, name, base, size, irq1, irq2, pdata,
+ periphid, 0);
+}
+EXPORT_SYMBOL_GPL(amba_apb_device_add);
+
+struct amba_device *
+amba_ahb_device_add(struct device *parent, const char *name,
+ resource_size_t base, size_t size, int irq1, int irq2,
+ void *pdata, unsigned int periphid)
+{
+ return amba_aphb_device_add(parent, name, base, size, irq1, irq2, pdata,
+ periphid, ~0ULL);
+}
+EXPORT_SYMBOL_GPL(amba_ahb_device_add);
+
static void amba_device_initialize(struct amba_device *dev, const char *name)
{
device_initialize(&dev->dev);
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