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path: root/drivers/memstick/core/memstick.c
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Diffstat (limited to 'drivers/memstick/core/memstick.c')
-rw-r--r--drivers/memstick/core/memstick.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index 5e0e960..3c97bac 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;