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usb-storage: make karma a separate module

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This patch (as1216) converts usb-storage's karma subdriver into a
separate module.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2009-02-12 14:48:26 -05:00
committed by Greg Kroah-Hartman
parent a74bba3bf9
commit c10337846c
8 changed files with 123 additions and 33 deletions
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96
drivers/usb/storage/karma.c
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@ -18,6 +18,8 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
@ -25,7 +27,6 @@
#include "usb.h"
#include "transport.h"
#include "debug.h"
#include "karma.h"
#define RIO_PREFIX "RIOP\x00"
#define RIO_PREFIX_LEN 5
@ -36,13 +37,53 @@
#define RIO_LEAVE_STORAGE 0x2
#define RIO_RESET 0xC
extern int usb_stor_Bulk_transport(struct scsi_cmnd *, struct us_data *);
struct karma_data {
int in_storage;
char *recv;
};
static int rio_karma_init(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 karma_usb_ids[] = {
# include "unusual_karma.h"
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, karma_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 karma_unusual_dev_list[] = {
# include "unusual_karma.h"
{ } /* Terminating entry */
};
#undef UNUSUAL_DEV
/*
* Send commands to Rio Karma.
*
@ -104,7 +145,7 @@ err:
* Trap START_STOP and READ_10 to leave/re-enter storage mode.
* Everything else is propagated to the normal bulk layer.
*/
int rio_karma_transport(struct scsi_cmnd *srb, struct us_data *us)
static int rio_karma_transport(struct scsi_cmnd *srb, struct us_data *us)
{
int ret;
struct karma_data *data = (struct karma_data *) us->extra;
@ -133,7 +174,7 @@ static void rio_karma_destructor(void *extra)
kfree(data->recv);
}
int rio_karma_init(struct us_data *us)
static int rio_karma_init(struct us_data *us)
{
int ret = 0;
struct karma_data *data = kzalloc(sizeof(struct karma_data), GFP_NOIO);
@ -153,3 +194,48 @@ int rio_karma_init(struct us_data *us)
out:
return ret;
}
static int karma_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 - karma_usb_ids) + karma_unusual_dev_list);
if (result)
return result;
us->transport_name = "Rio Karma/Bulk";
us->transport = rio_karma_transport;
us->transport_reset = usb_stor_Bulk_reset;
result = usb_stor_probe2(us);
return result;
}
static struct usb_driver karma_driver = {
.name = "ums-karma",
.probe = karma_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 = karma_usb_ids,
.soft_unbind = 1,
};
static int __init karma_init(void)
{
return usb_register(&karma_driver);
}
static void __exit karma_exit(void)
{
usb_deregister(&karma_driver);
}
module_init(karma_init);
module_exit(karma_exit);