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WSL2-Linux-Kernel
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usb: gadget: f_mass_storage: remove compatibility layer 

There are no more old interface users left. Remove it.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2013-10-09 10:08:28 +02:00 коммит произвёл Felipe Balbi
Родитель 1bcce93947
Коммит 7a93d040e0
2 изменённых файлов: 19 добавлений и 152 удалений
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150
drivers/usb/gadget/f_mass_storage.c
Просмотреть файл

@ -228,13 +228,6 @@
#define FSG_DRIVER_DESC "Mass Storage Function"
#define FSG_DRIVER_VERSION "2009/09/11"
/* to avoid a lot of #ifndef-#endif in the temporary compatibility layer */
#ifndef USB_FMS_INCLUDED
#define EXPORT_SYMBOL_GPL_IF_MODULE(m) EXPORT_SYMBOL_GPL(m);
#else
#define EXPORT_SYMBOL_GPL_IF_MODULE(m)
#endif
static const char fsg_string_interface[] = "Mass Storage";
#include "storage_common.h"
@ -2651,13 +2644,13 @@ void fsg_common_get(struct fsg_common *common)
{
kref_get(&common->ref);
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_get);
EXPORT_SYMBOL_GPL(fsg_common_get);
void fsg_common_put(struct fsg_common *common)
{
kref_put(&common->ref, fsg_common_release);
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_put);
EXPORT_SYMBOL_GPL(fsg_common_put);
/* check if fsg_num_buffers is within a valid range */
static inline int fsg_num_buffers_validate(unsigned int fsg_num_buffers)
@ -2669,7 +2662,7 @@ static inline int fsg_num_buffers_validate(unsigned int fsg_num_buffers)
return -EINVAL;
}
static struct fsg_common *fsg_common_setup(struct fsg_common *common, bool zero)
static struct fsg_common *fsg_common_setup(struct fsg_common *common)
{
if (!common) {
common = kzalloc(sizeof(*common), GFP_KERNEL);
@ -2677,8 +2670,6 @@ static struct fsg_common *fsg_common_setup(struct fsg_common *common, bool zero)
return ERR_PTR(-ENOMEM);
common->free_storage_on_release = 1;
} else {
if (zero)
memset(common, 0, sizeof(*common));
common->free_storage_on_release = 0;
}
init_rwsem(&common->filesem);
@ -2695,7 +2686,7 @@ void fsg_common_set_sysfs(struct fsg_common *common, bool sysfs)
{
common->sysfs = sysfs;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_set_sysfs);
EXPORT_SYMBOL_GPL(fsg_common_set_sysfs);
static void _fsg_common_free_buffers(struct fsg_buffhd *buffhds, unsigned n)
{
@ -2751,7 +2742,7 @@ error_release:
return -ENOMEM;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_set_num_buffers);
EXPORT_SYMBOL_GPL(fsg_common_set_num_buffers);
static inline void fsg_common_remove_sysfs(struct fsg_lun *lun)
{
@ -2790,7 +2781,7 @@ void fsg_common_remove_lun(struct fsg_lun *lun, bool sysfs)
fsg_lun_close(lun);
kfree(lun);
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_remove_lun);
EXPORT_SYMBOL_GPL(fsg_common_remove_lun);
static void _fsg_common_remove_luns(struct fsg_common *common, int n)
{
@ -2802,7 +2793,7 @@ static void _fsg_common_remove_luns(struct fsg_common *common, int n)
common->luns[i] = NULL;
}
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_remove_luns);
EXPORT_SYMBOL_GPL(fsg_common_remove_luns);
void fsg_common_remove_luns(struct fsg_common *common)
{
@ -2815,7 +2806,7 @@ void fsg_common_free_luns(struct fsg_common *common)
kfree(common->luns);
common->luns = NULL;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_free_luns);
EXPORT_SYMBOL_GPL(fsg_common_free_luns);
int fsg_common_set_nluns(struct fsg_common *common, int nluns)
{
@ -2841,21 +2832,21 @@ int fsg_common_set_nluns(struct fsg_common *common, int nluns)
return 0;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_set_nluns);
EXPORT_SYMBOL_GPL(fsg_common_set_nluns);
void fsg_common_set_ops(struct fsg_common *common,
const struct fsg_operations *ops)
{
common->ops = ops;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_set_ops);
EXPORT_SYMBOL_GPL(fsg_common_set_ops);
void fsg_common_free_buffers(struct fsg_common *common)
{
_fsg_common_free_buffers(common->buffhds, common->fsg_num_buffers);
common->buffhds = NULL;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_free_buffers);
EXPORT_SYMBOL_GPL(fsg_common_free_buffers);
int fsg_common_set_cdev(struct fsg_common *common,
struct usb_composite_dev *cdev, bool can_stall)
@ -2883,7 +2874,7 @@ int fsg_common_set_cdev(struct fsg_common *common,
return 0;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_set_cdev);
EXPORT_SYMBOL_GPL(fsg_common_set_cdev);
static inline int fsg_common_add_sysfs(struct fsg_common *common,
struct fsg_lun *lun)
@ -3006,7 +2997,7 @@ error_sysfs:
kfree(lun);
return rc;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_create_lun);
EXPORT_SYMBOL_GPL(fsg_common_create_lun);
int fsg_common_create_luns(struct fsg_common *common, struct fsg_config *cfg)
{
@ -3028,7 +3019,7 @@ fail:
_fsg_common_remove_luns(common, i);
return rc;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_create_luns);
EXPORT_SYMBOL_GPL(fsg_common_create_luns);
void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn,
const char *pn)
@ -3045,7 +3036,7 @@ void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn,
: "File-Stor Gadget"),
i);
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_set_inquiry_string);
EXPORT_SYMBOL_GPL(fsg_common_set_inquiry_string);
int fsg_common_run_thread(struct fsg_common *common)
{
@ -3064,61 +3055,7 @@ int fsg_common_run_thread(struct fsg_common *common)
return 0;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_run_thread);
struct fsg_common *fsg_common_init(struct fsg_common *common,
struct usb_composite_dev *cdev,
struct fsg_config *cfg)
{
int rc;
common = fsg_common_setup(common, !!common);
if (IS_ERR(common))
return common;
fsg_common_set_sysfs(common, true);
common->state = FSG_STATE_IDLE;
rc = fsg_common_set_num_buffers(common, cfg->fsg_num_buffers);
if (rc) {
if (common->free_storage_on_release)
kfree(common);
return ERR_PTR(rc);
}
common->ops = cfg->ops;
common->private_data = cfg->private_data;
rc = fsg_common_set_cdev(common, cdev, cfg->can_stall);
if (rc)
goto error_release;
rc = fsg_common_set_nluns(common, cfg->nluns);
if (rc)
goto error_release;
rc = fsg_common_create_luns(common, cfg);
if (rc)
goto error_release;
fsg_common_set_inquiry_string(common, cfg->vendor_name,
cfg->product_name);
/* Information */
INFO(common, FSG_DRIVER_DESC ", version: " FSG_DRIVER_VERSION "\n");
rc = fsg_common_run_thread(common);
if (rc)
goto error_release;
return common;
error_release:
common->state = FSG_STATE_TERMINATED; /* The thread is dead */
/* Call fsg_common_release() directly, ref might be not initialised. */
fsg_common_release(&common->ref);
return ERR_PTR(rc);
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_common_init);
EXPORT_SYMBOL_GPL(fsg_common_run_thread);
static void fsg_common_release(struct kref *ref)
{
@ -3166,9 +3103,8 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
struct usb_ep *ep;
unsigned max_burst;
int ret;
#ifndef USB_FMS_INCLUDED
struct fsg_opts *opts;
opts = fsg_opts_from_func_inst(f->fi);
if (!opts->no_configfs) {
ret = fsg_common_set_cdev(fsg->common, c->cdev,
@ -3180,7 +3116,6 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
if (ret)
return ret;
}
#endif
fsg->gadget = gadget;
@ -3248,54 +3183,9 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
wait_event(common->fsg_wait, common->fsg != fsg);
}
#ifdef USB_FMS_INCLUDED
fsg_common_put(common);
#endif
usb_free_all_descriptors(&fsg->function);
#ifdef USB_FMS_INCLUDED
kfree(fsg);
#endif
}
#ifdef USB_FMS_INCLUDED
static int fsg_bind_config(struct usb_composite_dev *cdev,
struct usb_configuration *c,
struct fsg_common *common)
{
struct fsg_dev *fsg;
int rc;
fsg = kzalloc(sizeof *fsg, GFP_KERNEL);
if (unlikely(!fsg))
return -ENOMEM;
fsg->function.name = FSG_DRIVER_DESC;
fsg->function.bind = fsg_bind;
fsg->function.unbind = fsg_unbind;
fsg->function.setup = fsg_setup;
fsg->function.set_alt = fsg_set_alt;
fsg->function.disable = fsg_disable;
fsg->common = common;
/*
* Our caller holds a reference to common structure so we
* don't have to be worry about it being freed until we return
* from this function. So instead of incrementing counter now
* and decrement in error recovery we increment it only when
* call to usb_add_function() was successful.
*/
rc = usb_add_function(c, &fsg->function);
if (unlikely(rc))
kfree(fsg);
else
fsg_common_get(fsg->common);
return rc;
}
#else
static inline struct fsg_lun_opts *to_fsg_lun_opts(struct config_item *item)
{
return container_of(to_config_group(item), struct fsg_lun_opts, group);
@ -3652,7 +3542,7 @@ static struct usb_function_instance *fsg_alloc_inst(void)
return ERR_PTR(-ENOMEM);
mutex_init(&opts->lock);
opts->func_inst.free_func_inst = fsg_free_inst;
opts->common = fsg_common_setup(opts->common, false);
opts->common = fsg_common_setup(opts->common);
if (IS_ERR(opts->common)) {
rc = PTR_ERR(opts->common);
goto release_opts;
@ -3734,8 +3624,6 @@ DECLARE_USB_FUNCTION_INIT(mass_storage, fsg_alloc_inst, fsg_alloc);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Michal Nazarewicz");
#endif
/************************* Module parameters *************************/
@ -3771,5 +3659,5 @@ void fsg_config_from_params(struct fsg_config *cfg,
cfg->can_stall = params->stall;
cfg->fsg_num_buffers = fsg_num_buffers;
}
EXPORT_SYMBOL_GPL_IF_MODULE(fsg_config_from_params);
EXPORT_SYMBOL_GPL(fsg_config_from_params);

21
drivers/usb/gadget/f_mass_storage.h
Просмотреть файл

@ -128,10 +128,6 @@ void fsg_common_get(struct fsg_common *common);
void fsg_common_put(struct fsg_common *common);
struct fsg_common *fsg_common_init(struct fsg_common *common,
struct usb_composite_dev *cdev,
struct fsg_config *cfg);
void fsg_common_set_sysfs(struct fsg_common *common, bool sysfs);
int fsg_common_set_num_buffers(struct fsg_common *common, unsigned int n);
@ -167,21 +163,4 @@ void fsg_config_from_params(struct fsg_config *cfg,
const struct fsg_module_parameters *params,
unsigned int fsg_num_buffers);
static inline struct fsg_common *
fsg_common_from_params(struct fsg_common *common,
struct usb_composite_dev *cdev,
const struct fsg_module_parameters *params,
unsigned int fsg_num_buffers)
__attribute__((unused));
static inline struct fsg_common *
fsg_common_from_params(struct fsg_common *common,
struct usb_composite_dev *cdev,
const struct fsg_module_parameters *params,
unsigned int fsg_num_buffers)
{
struct fsg_config cfg;
fsg_config_from_params(&cfg, params, fsg_num_buffers);
return fsg_common_init(common, cdev, &cfg);
}
#endif /* USB_F_MASS_STORAGE_H */