usb-storage: make jumpshot a separate module

This patch (as1214) converts usb-storage's jumpshot 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, 97 insertions, 2 deletions

diff --git a/drivers/usb/storage/jumpshot.c b/drivers/usb/storage/jumpshot.c
index df67f13c9e7..a50d6dc1fe6 100644
--- a/drivers/usb/storage/jumpshot.c
+++ b/drivers/usb/storage/jumpshot.c
@@ -46,6 +46,7 @@
   */
 
 #include <linux/errno.h>
+#include <linux/module.h>
 #include <linux/slab.h>
 
 #include <scsi/scsi.h>
@@ -55,9 +56,57 @@
 #include "transport.h"
 #include "protocol.h"
 #include "debug.h"
-#include "jumpshot.h"
 
 
+/*
+ * 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 jumpshot_usb_ids[] = {
+#	include "unusual_jumpshot.h"
+	{ }		/* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, jumpshot_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 jumpshot_unusual_dev_list[] = {
+#	include "unusual_jumpshot.h"
+	{ }		/* Terminating entry */
+};
+
+#undef UNUSUAL_DEV
+
+
+struct jumpshot_info {
+   unsigned long   sectors;     /* total sector count */
+   unsigned long   ssize;       /* sector size in bytes */
+
+   /* the following aren't used yet */
+   unsigned char   sense_key;
+   unsigned long   sense_asc;   /* additional sense code */
+   unsigned long   sense_ascq;  /* additional sense code qualifier */
+};
+
 static inline int jumpshot_bulk_read(struct us_data *us,
 				     unsigned char *data, 
 				     unsigned int len)
@@ -429,7 +478,7 @@ static void jumpshot_info_destructor(void *extra)
 
 // Transport for the Lexar 'Jumpshot'
 //
-int jumpshot_transport(struct scsi_cmnd * srb, struct us_data *us)
+static int jumpshot_transport(struct scsi_cmnd *srb, struct us_data *us)
 {
 	struct jumpshot_info *info;
 	int rc;
@@ -592,3 +641,49 @@ int jumpshot_transport(struct scsi_cmnd * srb, struct us_data *us)
 	info->sense_ascq = 0x00;
 	return USB_STOR_TRANSPORT_FAILED;
 }
+
+static int jumpshot_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 - jumpshot_usb_ids) + jumpshot_unusual_dev_list);
+	if (result)
+		return result;
+
+	us->transport_name  = "Lexar Jumpshot Control/Bulk";
+	us->transport = jumpshot_transport;
+	us->transport_reset = usb_stor_Bulk_reset;
+	us->max_lun = 1;
+
+	result = usb_stor_probe2(us);
+	return result;
+}
+
+static struct usb_driver jumpshot_driver = {
+	.name =		"ums-jumpshot",
+	.probe =	jumpshot_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 =	jumpshot_usb_ids,
+	.soft_unbind =	1,
+};
+
+static int __init jumpshot_init(void)
+{
+	return usb_register(&jumpshot_driver);
+}
+
+static void __exit jumpshot_exit(void)
+{
+	usb_deregister(&jumpshot_driver);
+}
+
+module_init(jumpshot_init);
+module_exit(jumpshot_exit);