Changeset 81685dd9 in mainline for uspace/srv/devman/driver.c

Timestamp:

2017-10-20T07:18:57Z (7 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

feab36ae

Parents:

04efacc

Message:

Add devctl unload-drv subcommand to manually unload a driver that is not in use.

File:

• uspace/srv/devman/driver.c (modified) (1 diff)

uspace/srv/devman/driver.c

@@ -298 +298 @@
         drv->state = DRIVER_STARTING;
         return true;
+}
+
+/** Stop a driver
+ *
+ * @param drv           The driver's structure.
+ * @return              True if the driver's task is successfully spawned, false
+ *                      otherwise.
+ */
+int stop_driver(driver_t *drv)
+{
+        async_exch_t *exch;
+        sysarg_t retval;
+        
+        log_msg(LOG_DEFAULT, LVL_DEBUG, "stop_driver(drv=\"%s\")", drv->name);
+
+        exch = async_exchange_begin(drv->sess);
+        retval = async_req_0_0(exch, DRIVER_STOP);
+        loc_exchange_end(exch);
+        
+        if (retval != EOK)
+                return retval;
+        
+        drv->state = DRIVER_NOT_STARTED;
+        async_hangup(drv->sess);
+        drv->sess = NULL;
+        return EOK;
 }