usb: dwc3: remove custom unique id handling

The lockless implementation of the unique id is quite impressive (:P)
but dirver's core can handle it, we can remove it and make our code a
little smaller.

Cc: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 2 insertions, 14 deletions

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 94f550e37f98..13962597f3fe 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -119,7 +119,6 @@ static int __devinit dwc3_pci_probe(struct pci_dev *pci,
         struct platform_device  *dwc3;
         struct dwc3_pci         *glue;
         int                     ret = -ENOMEM;
-        int                     devid;
         struct device           *dev = &pci->dev;
 
         glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);
@@ -145,13 +144,7 @@ static int __devinit dwc3_pci_probe(struct pci_dev *pci,
                 return ret;
         }
 
-        devid = dwc3_get_device_id();
-        if (devid < 0) {
-                ret = -ENOMEM;
-                goto err1;
-        }
-
-        dwc3 = platform_device_alloc("dwc3", devid);
+        dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
         if (!dwc3) {
                 dev_err(dev, "couldn't allocate dwc3 device\n");
                 ret = -ENOMEM;
@@ -172,7 +165,7 @@ static int __devinit dwc3_pci_probe(struct pci_dev *pci,
         ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res));
         if (ret) {
                 dev_err(dev, "couldn't add resources to dwc3 device\n");
-                goto err2;
+                goto err1;
         }
 
         pci_set_drvdata(pci, glue);
@@ -195,10 +188,6 @@ static int __devinit dwc3_pci_probe(struct pci_dev *pci,
 err3:
         pci_set_drvdata(pci, NULL);
         platform_device_put(dwc3);
-
-err2:
-        dwc3_put_device_id(devid);
-
 err1:
         pci_disable_device(pci);
 
@@ -211,7 +200,6 @@ static void __devexit dwc3_pci_remove(struct pci_dev *pci)
 
         platform_device_unregister(glue->usb2_phy);
         platform_device_unregister(glue->usb3_phy);
-        dwc3_put_device_id(glue->dwc3->id);
         platform_device_unregister(glue->dwc3);
         pci_set_drvdata(pci, NULL);
         pci_disable_device(pci);