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path: root/drivers/net/wireless/rt2x00/rt2x00dev.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c66
1 files changed, 61 insertions, 5 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 9b2bd917646..cea2bd91ff5 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1046,7 +1046,7 @@ static void rt2x00lib_free_ring_entries(struct rt2x00_dev *rt2x00dev)
}
}
-void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
+static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
{
if (!__test_and_clear_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
return;
@@ -1067,7 +1067,7 @@ void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
rt2x00lib_free_ring_entries(rt2x00dev);
}
-int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
+static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
{
int status;
@@ -1110,6 +1110,58 @@ exit:
return status;
}
+int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
+{
+ int retval;
+
+ if (test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ return 0;
+
+ /*
+ * If this is the first interface which is added,
+ * we should load the firmware now.
+ */
+ if (test_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags)) {
+ retval = rt2x00lib_load_firmware(rt2x00dev);
+ if (retval)
+ return retval;
+ }
+
+ /*
+ * Initialize the device.
+ */
+ retval = rt2x00lib_initialize(rt2x00dev);
+ if (retval)
+ return retval;
+
+ /*
+ * Enable radio.
+ */
+ retval = rt2x00lib_enable_radio(rt2x00dev);
+ if (retval) {
+ rt2x00lib_uninitialize(rt2x00dev);
+ return retval;
+ }
+
+ __set_bit(DEVICE_STARTED, &rt2x00dev->flags);
+
+ return 0;
+}
+
+void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev)
+{
+ if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ return;
+
+ /*
+ * Perhaps we can add something smarter here,
+ * but for now just disabling the radio should do.
+ */
+ rt2x00lib_disable_radio(rt2x00dev);
+
+ __clear_bit(DEVICE_STARTED, &rt2x00dev->flags);
+}
+
/*
* driver allocation handlers.
*/
@@ -1295,7 +1347,7 @@ int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state)
* Disable radio and unitialize all items
* that must be recreated on resume.
*/
- rt2x00mac_stop(rt2x00dev->hw);
+ rt2x00lib_stop(rt2x00dev);
rt2x00lib_uninitialize(rt2x00dev);
rt2x00debug_deregister(rt2x00dev);
@@ -1317,7 +1369,6 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
int retval;
NOTICE(rt2x00dev, "Waking up.\n");
- __set_bit(DEVICE_PRESENT, &rt2x00dev->flags);
/*
* Open the debugfs entry.
@@ -1333,7 +1384,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
/*
* Reinitialize device and all active interfaces.
*/
- retval = rt2x00mac_start(rt2x00dev->hw);
+ retval = rt2x00lib_start(rt2x00dev);
if (retval)
goto exit;
@@ -1349,6 +1400,11 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
rt2x00lib_config_type(rt2x00dev, intf->type);
/*
+ * We are ready again to receive requests from mac80211.
+ */
+ __set_bit(DEVICE_PRESENT, &rt2x00dev->flags);
+
+ /*
* It is possible that during that mac80211 has attempted
* to send frames while we were suspending or resuming.
* In that case we have disabled the TX queue and should