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usb: remove libusual

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The "Low Performance USB Block driver" has been removed which a user of
libusual. Now we have only the usb-storage driver as the only driver in
tree. This makes libusual needless.
This patch removes libusal, fixes up all users. The usual-table is now
linked into usb-storage.
usb_usual.h remains in public include directory because some staging
users seem to need it.

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sebastian Andrzej Siewior 2012-08-28 22:37:13 +02:00 committed by Greg Kroah-Hartman
parent 68a5059ecf
commit f61870ee6f
21 changed files with 42 additions and 350 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/keucr/usb.c
View File

@ -320,7 +320,7 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id)
us->subclass = idesc->bInterfaceSubClass;
us->protocol = idesc->bInterfaceProtocol;
us->fflags = USB_US_ORIG_FLAGS(id->driver_info);
us->fflags = id->driver_info;
us->Power_IsResum = false;
if (us->fflags & US_FL_IGNORE_DEVICE)

14
drivers/usb/storage/Kconfig
View File

@ -213,17 +213,3 @@ config USB_UAS
say 'Y' or 'M' here and the kernel will use the right driver.
If you compile this driver as a module, it will be named uas.
config USB_LIBUSUAL
bool "The shared table of common (or usual) storage devices"
depends on USB
help
This module contains a table of common (or usual) devices
for usb-storage and ub drivers, and allows to switch binding
of these devices without rebuilding modules.
Typical syntax of /etc/modprobe.d/*conf is:
options libusual bias="ub"
If unsure, say N.

9
drivers/usb/storage/Makefile
View File

@ -12,16 +12,9 @@ obj-$(CONFIG_USB_STORAGE) += usb-storage.o
usb-storage-y := scsiglue.o protocol.o transport.o usb.o
usb-storage-y += initializers.o sierra_ms.o option_ms.o
usb-storage-y += usual-tables.o
usb-storage-$(CONFIG_USB_STORAGE_DEBUG) += debug.o
ifeq ($(CONFIG_USB_LIBUSUAL),)
usb-storage-y += usual-tables.o
else
obj-$(CONFIG_USB) += usb-libusual.o
usb-libusual-y := libusual.o usual-tables.o
endif
obj-$(CONFIG_USB_STORAGE_ALAUDA) += ums-alauda.o
obj-$(CONFIG_USB_STORAGE_CYPRESS_ATACB) += ums-cypress.o
obj-$(CONFIG_USB_STORAGE_DATAFAB) += ums-datafab.o

2
drivers/usb/storage/alauda.c
View File

@ -137,7 +137,7 @@ static int init_alauda(struct us_data *us);
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id alauda_usb_ids[] = {
# include "unusual_alauda.h"

2
drivers/usb/storage/cypress_atacb.c
View File

@ -41,7 +41,7 @@ MODULE_LICENSE("GPL");
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id cypress_usb_ids[] = {
# include "unusual_cypress.h"

2
drivers/usb/storage/datafab.c
View File

@ -86,7 +86,7 @@ static int datafab_determine_lun(struct us_data *us,
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id datafab_usb_ids[] = {
# include "unusual_datafab.h"

2
drivers/usb/storage/ene_ub6250.c
View File

@ -52,7 +52,7 @@ MODULE_FIRMWARE(MS_RW_FIRMWARE);
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags)}
static struct usb_device_id ene_ub6250_usb_ids[] = {
# include "unusual_ene_ub6250.h"

2
drivers/usb/storage/freecom.c
View File

@ -117,7 +117,7 @@ static int init_freecom(struct us_data *us);
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id freecom_usb_ids[] = {
# include "unusual_freecom.h"

5
drivers/usb/storage/isd200.c
View File

@ -74,7 +74,7 @@ static int isd200_Initialization(struct us_data *us);
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id isd200_usb_ids[] = {
# include "unusual_isd200.h"
@ -83,7 +83,6 @@ static struct usb_device_id isd200_usb_ids[] = {
MODULE_DEVICE_TABLE(usb, isd200_usb_ids);
#undef UNUSUAL_DEV
#undef USUAL_DEV
/*
* The flags table
@ -105,8 +104,6 @@ static struct us_unusual_dev isd200_unusual_dev_list[] = {
};
#undef UNUSUAL_DEV
#undef USUAL_DEV
/* Timeout defines (in Seconds) */

2
drivers/usb/storage/jumpshot.c
View File

@ -69,7 +69,7 @@ MODULE_LICENSE("GPL");
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id jumpshot_usb_ids[] = {
# include "unusual_jumpshot.h"

2
drivers/usb/storage/karma.c
View File

@ -57,7 +57,7 @@ static int rio_karma_init(struct us_data *us);
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id karma_usb_ids[] = {
# include "unusual_karma.h"

243
drivers/usb/storage/libusual.c
View File

@ -1,243 +0,0 @@
/*
* libusual
*
* The libusual contains the table of devices common for ub and usb-storage.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb_usual.h>
#include <linux/vmalloc.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
/*
*/
#define USU_MOD_FL_THREAD 1 /* Thread is running */
#define USU_MOD_FL_PRESENT 2 /* The module is loaded */
struct mod_status {
unsigned long fls;
};
static struct mod_status stat[3];
static DEFINE_SPINLOCK(usu_lock);
/*
*/
#define USB_US_DEFAULT_BIAS USB_US_TYPE_STOR
static atomic_t usu_bias = ATOMIC_INIT(USB_US_DEFAULT_BIAS);
#define BIAS_NAME_SIZE (sizeof("usb-storage"))
static const char *bias_names[3] = { "none", "usb-storage", "ub" };
static DEFINE_MUTEX(usu_probe_mutex);
static DECLARE_COMPLETION(usu_end_notify);
static atomic_t total_threads = ATOMIC_INIT(0);
static int usu_probe_thread(void *arg);
/*
* @type: the module type as an integer
*/
void usb_usual_set_present(int type)
{
struct mod_status *st;
unsigned long flags;
if (type <= 0 || type >= 3)
return;
st = &stat[type];
spin_lock_irqsave(&usu_lock, flags);
st->fls |= USU_MOD_FL_PRESENT;
spin_unlock_irqrestore(&usu_lock, flags);
}
EXPORT_SYMBOL_GPL(usb_usual_set_present);
void usb_usual_clear_present(int type)
{
struct mod_status *st;
unsigned long flags;
if (type <= 0 || type >= 3)
return;
st = &stat[type];
spin_lock_irqsave(&usu_lock, flags);
st->fls &= ~USU_MOD_FL_PRESENT;
spin_unlock_irqrestore(&usu_lock, flags);
}
EXPORT_SYMBOL_GPL(usb_usual_clear_present);
/*
* Match the calling driver type against the table.
* Returns: 0 if the device matches.
*/
int usb_usual_check_type(const struct usb_device_id *id, int caller_type)
{
int id_type = USB_US_TYPE(id->driver_info);
if (caller_type <= 0 || caller_type >= 3)
return -EINVAL;
/* Drivers grab fixed assignment devices */
if (id_type == caller_type)
return 0;
/* Drivers grab devices biased to them */
if (id_type == USB_US_TYPE_NONE && caller_type == atomic_read(&usu_bias))
return 0;
return -ENODEV;
}
EXPORT_SYMBOL_GPL(usb_usual_check_type);
/*
*/
static int usu_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
int rc;
unsigned long type;
struct task_struct* task;
unsigned long flags;
type = USB_US_TYPE(id->driver_info);
if (type == 0)
type = atomic_read(&usu_bias);
spin_lock_irqsave(&usu_lock, flags);
if ((stat[type].fls & (USU_MOD_FL_THREAD|USU_MOD_FL_PRESENT)) != 0) {
spin_unlock_irqrestore(&usu_lock, flags);
return -ENXIO;
}
stat[type].fls |= USU_MOD_FL_THREAD;
spin_unlock_irqrestore(&usu_lock, flags);
task = kthread_run(usu_probe_thread, (void*)type, "libusual_%ld", type);
if (IS_ERR(task)) {
rc = PTR_ERR(task);
printk(KERN_WARNING "libusual: "
"Unable to start the thread for %s: %d\n",
bias_names[type], rc);
spin_lock_irqsave(&usu_lock, flags);
stat[type].fls &= ~USU_MOD_FL_THREAD;
spin_unlock_irqrestore(&usu_lock, flags);
return rc; /* Not being -ENXIO causes a message printed */
}
atomic_inc(&total_threads);
return -ENXIO;
}
static void usu_disconnect(struct usb_interface *intf)
{
; /* We should not be here. */
}
static struct usb_driver usu_driver = {
.name = "libusual",
.probe = usu_probe,
.disconnect = usu_disconnect,
.id_table = usb_storage_usb_ids,
};
/*
* A whole new thread for a purpose of request_module seems quite stupid.
* The request_module forks once inside again. However, if we attempt
* to load a storage module from our own modprobe thread, that module
* references our symbols, which cannot be resolved until our module is
* initialized. I wish there was a way to wait for the end of initialization.
* The module notifier reports MODULE_STATE_COMING only.
* So, we wait until module->init ends as the next best thing.
*/
static int usu_probe_thread(void *arg)
{
int type = (unsigned long) arg;
struct mod_status *st = &stat[type];
int rc;
unsigned long flags;
mutex_lock(&usu_probe_mutex);
rc = request_module(bias_names[type]);
spin_lock_irqsave(&usu_lock, flags);
if (rc == 0 && (st->fls & USU_MOD_FL_PRESENT) == 0) {
/*
* This should not happen, but let us keep tabs on it.
*/
printk(KERN_NOTICE "libusual: "
"modprobe for %s succeeded, but module is not present\n",
bias_names[type]);
}
st->fls &= ~USU_MOD_FL_THREAD;
spin_unlock_irqrestore(&usu_lock, flags);
mutex_unlock(&usu_probe_mutex);
complete_and_exit(&usu_end_notify, 0);
}
/*
*/
static int __init usb_usual_init(void)
{
int rc;
mutex_lock(&usu_probe_mutex);
rc = usb_register(&usu_driver);
mutex_unlock(&usu_probe_mutex);
return rc;
}
static void __exit usb_usual_exit(void)
{
/*
* We do not check for any drivers present, because
* they keep us pinned with symbol references.
*/
usb_deregister(&usu_driver);
while (atomic_read(&total_threads) > 0) {
wait_for_completion(&usu_end_notify);
atomic_dec(&total_threads);
}
}
/*
* Validate and accept the bias parameter.
*/
static int usu_set_bias(const char *bias_s, struct kernel_param *kp)
{
int i;
int len;
int bias_n = 0;
len = strlen(bias_s);
if (len == 0)
return -EDOM;
if (bias_s[len-1] == '\n')
--len;
for (i = 1; i < 3; i++) {
if (strncmp(bias_s, bias_names[i], len) == 0) {
bias_n = i;
break;
}
}
if (bias_n == 0)
return -EINVAL;
atomic_set(&usu_bias, bias_n);
return 0;
}
static int usu_get_bias(char *buffer, struct kernel_param *kp)
{
return strlen(strcpy(buffer, bias_names[atomic_read(&usu_bias)]));
}
module_init(usb_usual_init);
module_exit(usb_usual_exit);
module_param_call(bias, usu_set_bias, usu_get_bias, NULL, S_IRUGO|S_IWUSR);
__MODULE_PARM_TYPE(bias, "string");
MODULE_PARM_DESC(bias, "Bias to usb-storage or ub");
MODULE_LICENSE("GPL");

2
drivers/usb/storage/onetouch.c
View File

@ -67,7 +67,7 @@ struct usb_onetouch {
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id onetouch_usb_ids[] = {
# include "unusual_onetouch.h"

2
drivers/usb/storage/realtek_cr.c
View File

@ -172,7 +172,7 @@ static int init_realtek_cr(struct us_data *us);
initFunction, flags) \
{\
USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24)\
.driver_info = (flags) \
}
static const struct usb_device_id realtek_cr_ids[] = {

2
drivers/usb/storage/sddr09.c
View File

@ -69,7 +69,7 @@ static int usb_stor_sddr09_init(struct us_data *us);
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id sddr09_usb_ids[] = {
# include "unusual_sddr09.h"

2
drivers/usb/storage/sddr55.c
View File

@ -46,7 +46,7 @@ MODULE_LICENSE("GPL");
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id sddr55_usb_ids[] = {
# include "unusual_sddr55.h"

2
drivers/usb/storage/shuttle_usbat.c
View File

@ -168,7 +168,7 @@ static int init_usbat_flash(struct us_data *us);
vendorName, productName, useProtocol, useTransport, \
initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }
.driver_info = (flags) }
static struct usb_device_id usbat_usb_ids[] = {
# include "unusual_usbat.h"

36
drivers/usb/storage/unusual_devs.h
View File

@ -2038,25 +2038,25 @@ UNUSUAL_DEV( 0xed10, 0x7636, 0x0001, 0x0001,
USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE ),
/* Control/Bulk transport for all SubClass values */
USUAL_DEV(USB_SC_RBC, USB_PR_CB, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_8020, USB_PR_CB, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_QIC, USB_PR_CB, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_UFI, USB_PR_CB, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_8070, USB_PR_CB, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_SCSI, USB_PR_CB, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_RBC, USB_PR_CB),
USUAL_DEV(USB_SC_8020, USB_PR_CB),
USUAL_DEV(USB_SC_QIC, USB_PR_CB),
USUAL_DEV(USB_SC_UFI, USB_PR_CB),
USUAL_DEV(USB_SC_8070, USB_PR_CB),
USUAL_DEV(USB_SC_SCSI, USB_PR_CB),
/* Control/Bulk/Interrupt transport for all SubClass values */
USUAL_DEV(USB_SC_RBC, USB_PR_CBI, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_8020, USB_PR_CBI, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_QIC, USB_PR_CBI, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_UFI, USB_PR_CBI, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_8070, USB_PR_CBI, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_SCSI, USB_PR_CBI, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_RBC, USB_PR_CBI),
USUAL_DEV(USB_SC_8020, USB_PR_CBI),
USUAL_DEV(USB_SC_QIC, USB_PR_CBI),
USUAL_DEV(USB_SC_UFI, USB_PR_CBI),
USUAL_DEV(USB_SC_8070, USB_PR_CBI),
USUAL_DEV(USB_SC_SCSI, USB_PR_CBI),
/* Bulk-only transport for all SubClass values */
USUAL_DEV(USB_SC_RBC, USB_PR_BULK, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_8020, USB_PR_BULK, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_QIC, USB_PR_BULK, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_UFI, USB_PR_BULK, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_8070, USB_PR_BULK, USB_US_TYPE_STOR),
USUAL_DEV(USB_SC_SCSI, USB_PR_BULK, 0),
USUAL_DEV(USB_SC_RBC, USB_PR_BULK),
USUAL_DEV(USB_SC_8020, USB_PR_BULK),
USUAL_DEV(USB_SC_QIC, USB_PR_BULK),
USUAL_DEV(USB_SC_UFI, USB_PR_BULK),
USUAL_DEV(USB_SC_8070, USB_PR_BULK),
USUAL_DEV(USB_SC_SCSI, USB_PR_BULK),

17
drivers/usb/storage/usb.c
View File

@ -114,7 +114,7 @@ MODULE_PARM_DESC(quirks, "supplemental list of device IDs and their quirks");
#define COMPLIANT_DEV UNUSUAL_DEV
#define USUAL_DEV(use_protocol, use_transport, use_type) \
#define USUAL_DEV(use_protocol, use_transport) \
{ \
.useProtocol = use_protocol, \
.useTransport = use_transport, \
@ -126,7 +126,7 @@ static struct us_unusual_dev us_unusual_dev_list[] = {
};
static struct us_unusual_dev for_dynamic_ids =
USUAL_DEV(USB_SC_SCSI, USB_PR_BULK, 0);
USUAL_DEV(USB_SC_SCSI, USB_PR_BULK);
#undef UNUSUAL_DEV
#undef COMPLIANT_DEV
@ -564,7 +564,7 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id,
us->protocol = (unusual_dev->useTransport == USB_PR_DEVICE) ?
idesc->bInterfaceProtocol :
unusual_dev->useTransport;
us->fflags = USB_US_ORIG_FLAGS(id->driver_info);
us->fflags = id->driver_info;
adjust_quirks(us);
if (us->fflags & US_FL_IGNORE_DEVICE) {
@ -1041,13 +1041,10 @@ static int storage_probe(struct usb_interface *intf,
int size;
/*
* If libusual is configured, let it decide whether a standard
* device should be handled by usb-storage or by ub.
* If the device isn't standard (is handled by a subdriver
* module) then don't accept it.
*/
if (usb_usual_check_type(id, USB_US_TYPE_STOR) ||
usb_usual_ignore_device(intf))
if (usb_usual_ignore_device(intf))
return -ENXIO;
/*
@ -1105,10 +1102,8 @@ static int __init usb_stor_init(void)
/* register the driver, return usb_register return code if error */
retval = usb_register(&usb_storage_driver);
if (retval == 0) {
if (retval == 0)
pr_info("USB Mass Storage support registered.\n");
usb_usual_set_present(USB_US_TYPE_STOR);
}
return retval;
}
@ -1122,8 +1117,6 @@ static void __exit usb_stor_exit(void)
*/
US_DEBUGP("-- calling usb_deregister()\n");
usb_deregister(&usb_storage_driver) ;
usb_usual_clear_present(USB_US_TYPE_STOR);
}
module_init(usb_stor_init);

18
drivers/usb/storage/usual-tables.c
View File

@ -33,32 +33,24 @@
#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) }
#define COMPLIANT_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) }
#define USUAL_DEV(useProto, useTrans, useType) \
{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans), \
.driver_info = ((useType)<<24) }
#define COMPLIANT_DEV UNUSUAL_DEV
#define USUAL_DEV(useProto, useTrans) \
{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
struct usb_device_id usb_storage_usb_ids[] = {
# include "unusual_devs.h"
{ } /* Terminating entry */
};
EXPORT_SYMBOL_GPL(usb_storage_usb_ids);
MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
#undef UNUSUAL_DEV
#undef COMPLIANT_DEV
#undef USUAL_DEV
/*
* The table of devices to ignore
*/
@ -95,7 +87,6 @@ static struct ignore_entry ignore_ids[] = {
#undef UNUSUAL_DEV
/* Return an error if a device is in the ignore_ids list */
int usb_usual_ignore_device(struct usb_interface *intf)
{
@ -115,4 +106,3 @@ int usb_usual_ignore_device(struct usb_interface *intf)
}
return 0;
}
EXPORT_SYMBOL_GPL(usb_usual_ignore_device);

24
include/linux/usb_usual.h
View File

@ -72,33 +72,9 @@
enum { US_DO_ALL_FLAGS };
#undef US_FLAG
/*
* The bias field for libusual and friends.
*/
#define USB_US_TYPE_NONE 0
#define USB_US_TYPE_STOR 1 /* usb-storage */
#define USB_US_TYPE_UB 2 /* ub */
#define USB_US_TYPE(flags) (((flags) >> 24) & 0xFF)
#define USB_US_ORIG_FLAGS(flags) ((flags) & 0x00FFFFFF)
#include <linux/usb/storage.h>
/*
*/
extern int usb_usual_ignore_device(struct usb_interface *intf);
extern struct usb_device_id usb_storage_usb_ids[];
#ifdef CONFIG_USB_LIBUSUAL
extern void usb_usual_set_present(int type);
extern void usb_usual_clear_present(int type);
extern int usb_usual_check_type(const struct usb_device_id *, int type);
#else
#define usb_usual_set_present(t) do { } while(0)
#define usb_usual_clear_present(t) do { } while(0)
#define usb_usual_check_type(id, t) (0)
#endif /* CONFIG_USB_LIBUSUAL */
#endif /* __LINUX_USB_USUAL_H */