diff options
| author | Alex Dubov <oakad@yahoo.com> | 2008-03-10 11:43:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-03-10 18:01:18 -0700 |
| commit | d114ad54ffb020dc781b6159c1c2f391c6ec418f (patch) | |
| tree | fbb4d6c263583bf3ec5de167124fd87cd28c2914 /drivers/memstick/core | |
| parent | e1f19995f55294fbb00ea22ba85d7b0d80ba3813 (diff) | |
memstick: add memstick_suspend/resume_host methods
Bus driver may need to be informed that host is being suspended/resumed.
Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/memstick/core')
| -rw-r--r-- | drivers/memstick/core/memstick.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index 5e0e960df45..3c97bac4e47 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -561,6 +561,31 @@ void memstick_free_host(struct memstick_host *host) } EXPORT_SYMBOL(memstick_free_host); +/** + * memstick_suspend_host - notify bus driver of host suspension + * @host - host to use + */ +void memstick_suspend_host(struct memstick_host *host) +{ + mutex_lock(&host->lock); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_OFF); + mutex_unlock(&host->lock); +} +EXPORT_SYMBOL(memstick_suspend_host); + +/** + * memstick_resume_host - notify bus driver of host resumption + * @host - host to use + */ +void memstick_resume_host(struct memstick_host *host) +{ + mutex_lock(&host->lock); + host->set_param(host, MEMSTICK_POWER, MEMSTICK_POWER_ON); + mutex_unlock(&host->lock); + memstick_detect_change(host); +} +EXPORT_SYMBOL(memstick_resume_host); + int memstick_register_driver(struct memstick_driver *drv) { drv->driver.bus = &memstick_bus_type; |