usb-storage: make freecom a separate module

This patch (as1212) converts usb-storage's freecom subdriver into a
separate module.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 90 insertions, 5 deletions

diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c
index 73ac7262239e..393047b3890d 100644
--- a/drivers/usb/storage/freecom.c
+++ b/drivers/usb/storage/freecom.c
@@ -26,6 +26,7 @@
  * (http://www.freecom.de/)
  */
 
+#include <linux/module.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
 
@@ -33,7 +34,6 @@
 #include "transport.h"
 #include "protocol.h"
 #include "debug.h"
-#include "freecom.h"
 
 #ifdef CONFIG_USB_STORAGE_DEBUG
 static void pdump (void *, int);
@@ -103,6 +103,47 @@ struct freecom_status {
 #define FCM_PACKET_LENGTH               64
 #define FCM_STATUS_PACKET_LENGTH        4
 
+static int init_freecom(struct us_data *us);
+
+
+/*
+ * The table of devices
+ */
+#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
+                    vendorName, productName, useProtocol, useTransport, \
+                    initFunction, flags) \
+{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
+  .driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
+
+struct usb_device_id freecom_usb_ids[] = {
+#       include "unusual_freecom.h"
+        { }             /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, freecom_usb_ids);
+
+#undef UNUSUAL_DEV
+
+/*
+ * The flags table
+ */
+#define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
+                    vendor_name, product_name, use_protocol, use_transport, \
+                    init_function, Flags) \
+{ \
+        .vendorName = vendor_name,      \
+        .productName = product_name,    \
+        .useProtocol = use_protocol,    \
+        .useTransport = use_transport,  \
+        .initFunction = init_function,  \
+}
+
+static struct us_unusual_dev freecom_unusual_dev_list[] = {
+#       include "unusual_freecom.h"
+        { }             /* Terminating entry */
+};
+
+#undef UNUSUAL_DEV
+
 static int
 freecom_readdata (struct scsi_cmnd *srb, struct us_data *us,
                 unsigned int ipipe, unsigned int opipe, int count)
@@ -173,7 +214,7 @@ freecom_writedata (struct scsi_cmnd *srb, struct us_data *us,
  * Transport for the Freecom USB/IDE adaptor.
  *
  */
-int freecom_transport(struct scsi_cmnd *srb, struct us_data *us)
+static int freecom_transport(struct scsi_cmnd *srb, struct us_data *us)
 {
         struct freecom_cb_wrap *fcb;
         struct freecom_status  *fst;
@@ -377,8 +418,7 @@ int freecom_transport(struct scsi_cmnd *srb, struct us_data *us)
         return USB_STOR_TRANSPORT_GOOD;
 }
 
-int
-freecom_init (struct us_data *us)
+static int init_freecom(struct us_data *us)
 {
         int result;
         char *buffer = us->iobuf;
@@ -417,7 +457,7 @@ freecom_init (struct us_data *us)
         return USB_STOR_TRANSPORT_GOOD;
 }
 
-int usb_stor_freecom_reset(struct us_data *us)
+static int usb_stor_freecom_reset(struct us_data *us)
 {
         printk (KERN_CRIT "freecom reset called\n");
 
@@ -479,3 +519,48 @@ static void pdump (void *ibuffer, int length)
 }
 #endif
 
+static int freecom_probe(struct usb_interface *intf,
+                         const struct usb_device_id *id)
+{
+        struct us_data *us;
+        int result;
+
+        result = usb_stor_probe1(&us, intf, id,
+                        (id - freecom_usb_ids) + freecom_unusual_dev_list);
+        if (result)
+                return result;
+
+        us->transport_name = "Freecom";
+        us->transport = freecom_transport;
+        us->transport_reset = usb_stor_freecom_reset;
+        us->max_lun = 0;
+
+        result = usb_stor_probe2(us);
+        return result;
+}
+
+static struct usb_driver freecom_driver = {
+        .name =         "ums-freecom",
+        .probe =        freecom_probe,
+        .disconnect =   usb_stor_disconnect,
+        .suspend =      usb_stor_suspend,
+        .resume =       usb_stor_resume,
+        .reset_resume = usb_stor_reset_resume,
+        .pre_reset =    usb_stor_pre_reset,
+        .post_reset =   usb_stor_post_reset,
+        .id_table =     freecom_usb_ids,
+        .soft_unbind =  1,
+};
+
+static int __init freecom_init(void)
+{
+        return usb_register(&freecom_driver);
+}
+
+static void __exit freecom_exit(void)
+{
+        usb_deregister(&freecom_driver);
+}
+
+module_init(freecom_init);
+module_exit(freecom_exit);