Release 4.11 drivers/mtd/chips/chipreg.c
/*
* Registration for chip drivers
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/kmod.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/mtd/map.h>
#include <linux/mtd/mtd.h>
static DEFINE_SPINLOCK(chip_drvs_lock);
static LIST_HEAD(chip_drvs_list);
void register_mtd_chip_driver(struct mtd_chip_driver *drv)
{
spin_lock(&chip_drvs_lock);
list_add(&drv->list, &chip_drvs_list);
spin_unlock(&chip_drvs_lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 33 | 100.00% | 1 | 100.00% |
| Total | 33 | 100.00% | 1 | 100.00% |
void unregister_mtd_chip_driver(struct mtd_chip_driver *drv)
{
spin_lock(&chip_drvs_lock);
list_del(&drv->list);
spin_unlock(&chip_drvs_lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
static struct mtd_chip_driver *get_mtd_chip_driver (const char *name)
{
struct list_head *pos;
struct mtd_chip_driver *ret = NULL, *this;
spin_lock(&chip_drvs_lock);
list_for_each(pos, &chip_drvs_list) {
this = list_entry(pos, typeof(*this), list);
if (!strcmp(this->name, name)) {
ret = this;
break;
}
}
if (ret && !try_module_get(ret->module))
ret = NULL;
spin_unlock(&chip_drvs_lock);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 99 | 98.02% | 1 | 33.33% |
| Christoph Hellwig | 1 | 0.99% | 1 | 33.33% |
| David Woodhouse | 1 | 0.99% | 1 | 33.33% |
| Total | 101 | 100.00% | 3 | 100.00% |
/* Hide all the horrid details, like some silly person taking
get_module_symbol() away from us, from the caller. */
struct mtd_info *do_map_probe(const char *name, struct map_info *map)
{
struct mtd_chip_driver *drv;
struct mtd_info *ret;
drv = get_mtd_chip_driver(name);
if (!drv && !request_module("%s", name))
drv = get_mtd_chip_driver(name);
if (!drv)
return NULL;
ret = drv->probe(map);
/* We decrease the use count here. It may have been a
probe-only module, which is no longer required from this
point, having given us a handle on (and increased the use
count of) the actual driver code.
*/
module_put(drv->module);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 79 | 96.34% | 2 | 40.00% |
| David Woodhouse | 1 | 1.22% | 1 | 20.00% |
| Thomas Gleixner | 1 | 1.22% | 1 | 20.00% |
| Christoph Hellwig | 1 | 1.22% | 1 | 20.00% |
| Total | 82 | 100.00% | 5 | 100.00% |
/*
* Destroy an MTD device which was created for a map device.
* Make sure the MTD device is already unregistered before calling this
*/
void map_destroy(struct mtd_info *mtd)
{
struct map_info *map = mtd->priv;
if (map->fldrv->destroy)
map->fldrv->destroy(mtd);
module_put(map->fldrv->module);
kfree(mtd);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Woodhouse | 50 | 100.00% | 1 | 100.00% |
| Total | 50 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(register_mtd_chip_driver);
EXPORT_SYMBOL(unregister_mtd_chip_driver);
EXPORT_SYMBOL(do_map_probe);
EXPORT_SYMBOL(map_destroy);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
MODULE_DESCRIPTION("Core routines for registering and invoking MTD chip drivers");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 293 | 79.84% | 3 | 30.00% |
| David Woodhouse | 66 | 17.98% | 2 | 20.00% |
| Thomas Gleixner | 5 | 1.36% | 2 | 20.00% |
| Christoph Hellwig | 2 | 0.54% | 2 | 20.00% |
| Adrian Bunk | 1 | 0.27% | 1 | 10.00% |
| Total | 367 | 100.00% | 10 | 100.00% |
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