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path: root/drivers/staging/usbip/stub_dev.c
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Diffstat (limited to 'drivers/staging/usbip/stub_dev.c')
-rw-r--r--drivers/staging/usbip/stub_dev.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c
index 6e99ec87fee0..8cbea42b69bc 100644
--- a/drivers/staging/usbip/stub_dev.c
+++ b/drivers/staging/usbip/stub_dev.c
@@ -26,6 +26,8 @@
static int stub_probe(struct usb_interface *interface,
const struct usb_device_id *id);
static void stub_disconnect(struct usb_interface *interface);
+static int stub_pre_reset(struct usb_interface *interface);
+static int stub_post_reset(struct usb_interface *interface);
/*
* Define device IDs here if you want to explicitly limit exportable devices.
@@ -59,6 +61,8 @@ struct usb_driver stub_driver = {
.probe = stub_probe,
.disconnect = stub_disconnect,
.id_table = stub_table,
+ .pre_reset = stub_pre_reset,
+ .post_reset = stub_post_reset,
};
/*
@@ -541,3 +545,20 @@ static void stub_disconnect(struct usb_interface *interface)
del_match_busid((char *)udev_busid);
}
}
+
+/*
+ * Presence of pre_reset and post_reset prevents the driver from being unbound
+ * when the device is being reset
+ */
+
+int stub_pre_reset(struct usb_interface *interface)
+{
+ dev_dbg(&interface->dev, "pre_reset\n");
+ return 0;
+}
+
+int stub_post_reset(struct usb_interface *interface)
+{
+ dev_dbg(&interface->dev, "post_reset\n");
+ return 0;
+}