usb: gadget: pch_udc: Fix disconnect issue

[linux-flexiantxendom0.git] / drivers / usb / gadget / pch_udc.c

diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index 550d6dc..147ec4e 100644 (file)
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -354,6 +354,7 @@ struct pch_udc_dev {
 #define PCI_DEVICE_ID_INTEL_EG20T_UDC  0x8808
 #define PCI_VENDOR_ID_ROHM             0x10DB
 #define PCI_DEVICE_ID_ML7213_IOH_UDC   0x801D
+#define PCI_DEVICE_ID_ML7831_IOH_UDC   0x8808
 
 static const char      ep0_string[] = "ep0in";
 static DEFINE_SPINLOCK(udc_stall_spinlock);    /* stall spin lock */
@@ -2334,8 +2335,11 @@ static void pch_udc_svc_ur_interrupt(struct pch_udc_dev *dev)
                /* Complete request queue */
                empty_req_queue(ep);
        }
-       if (dev->driver && dev->driver->disconnect)
+       if (dev->driver && dev->driver->disconnect) {
+               spin_unlock(&dev->lock);
                dev->driver->disconnect(&dev->gadget);
+               spin_lock(&dev->lock);
+       }
 }
 
 /**
@@ -2970,6 +2974,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_pcidev_id) = {
                .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
                .class_mask = 0xffffffff,
        },
+       {
+               PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7831_IOH_UDC),
+               .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
+               .class_mask = 0xffffffff,
+       },
        { 0 },
 };
 
@@ -2999,5 +3008,5 @@ static void __exit pch_udc_pci_exit(void)
 module_exit(pch_udc_pci_exit);
 
 MODULE_DESCRIPTION("Intel EG20T USB Device Controller");
-MODULE_AUTHOR("OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>");
+MODULE_AUTHOR("LAPIS Semiconductor, <tomoya-linux@dsn.lapis-semi.com>");
 MODULE_LICENSE("GPL");