1 files changed, 43 insertions, 0 deletions

diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 9a883bd5e113..8b9d06fd0325 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -332,6 +332,49 @@ static irqreturn_t ci_irq(int irq, void *data)
         return ci->role == CI_ROLE_END ? ret : ci_role(ci)->irq(ci);
 }
 
+struct platform_device *ci13xxx_add_device(struct device *dev,
+                        struct resource *res, int nres,
+                        struct ci13xxx_platform_data *platdata)
+{
+        struct platform_device *pdev;
+        int ret;
+
+        /* FIXME: find a way to choose id */
+        pdev = platform_device_alloc("ci_hdrc", -1);
+        if (!pdev)
+                return ERR_PTR(-ENOMEM);
+
+        pdev->dev.parent = dev;
+        pdev->dev.dma_mask = dev->dma_mask;
+        pdev->dev.dma_parms = dev->dma_parms;
+        dma_set_coherent_mask(&pdev->dev, dev->coherent_dma_mask);
+
+        ret = platform_device_add_resources(pdev, res, nres);
+        if (ret)
+                goto err;
+
+        ret = platform_device_add_data(pdev, platdata, sizeof(*platdata));
+        if (ret)
+                goto err;
+
+        ret = platform_device_add(pdev);
+        if (ret)
+                goto err;
+
+        return pdev;
+
+err:
+        platform_device_put(pdev);
+        return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(ci13xxx_add_device);
+
+void ci13xxx_remove_device(struct platform_device *pdev)
+{
+        platform_device_unregister(pdev);
+}
+EXPORT_SYMBOL_GPL(ci13xxx_remove_device);
+
 static int __devinit ci_hdrc_probe(struct platform_device *pdev)
 {
         struct device   *dev = &pdev->dev;