[PATCH] rt2x00: Reorganize rt2x00dev->flags
The rt2x00dev->flags has become a chaos over time,
this will reorganize the flags by renaming, deleting, adding
and properly implement the flags.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 4f66adc..f8f7e6e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -40,7 +40,7 @@
struct data_ring *rt2x00lib_get_ring(struct rt2x00_dev *rt2x00dev,
const unsigned int queue)
{
- int beacon = test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags);
+ int beacon = test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags);
/*
* Check if we are requesting a reqular TX ring,
@@ -102,7 +102,7 @@
* And check if the hardware button has been disabled.
*/
if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
- (test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags) &&
+ (test_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags) &&
!test_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags)))
return 0;
@@ -162,6 +162,9 @@
{
enum dev_state state = enable ? STATE_RADIO_RX_ON : STATE_RADIO_RX_OFF;
+ if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ return;
+
/*
* When we are disabling the RX, we should also stop the link tuner.
*/
@@ -721,7 +724,7 @@
static void rt2x00lib_remove_hw(struct rt2x00_dev *rt2x00dev)
{
- if (test_bit(DEVICE_INITIALIZED_HW, &rt2x00dev->flags))
+ if (test_bit(DEVICE_REGISTERED_HW, &rt2x00dev->flags))
ieee80211_unregister_hw(rt2x00dev->hw);
if (likely(rt2x00dev->hwmodes)) {
@@ -753,7 +756,7 @@
return status;
}
- __set_bit(DEVICE_INITIALIZED_HW, &rt2x00dev->flags);
+ __set_bit(DEVICE_REGISTERED_HW, &rt2x00dev->flags);
return 0;
}
@@ -810,7 +813,7 @@
return -ENOMEM;
}
- if (!test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags))
+ if (!test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags))
return 0;
/*
@@ -919,7 +922,7 @@
* Atim: 1 (if required)
*/
rt2x00dev->data_rings = 1 + rt2x00dev->hw->queues +
- (2 * test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags));
+ (2 * test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags));
ring = kzalloc(rt2x00dev->data_rings * sizeof(*ring), GFP_KERNEL);
if (!ring) {
@@ -932,7 +935,7 @@
*/
rt2x00dev->rx = ring;
rt2x00dev->tx = &rt2x00dev->rx[1];
- if (test_bit(REQUIRE_BEACON_RING, &rt2x00dev->flags))
+ if (test_bit(DRIVER_REQUIRE_BEACON_RING, &rt2x00dev->flags))
rt2x00dev->bcn = &rt2x00dev->tx[rt2x00dev->hw->queues];
/*
@@ -1011,6 +1014,8 @@
*/
rt2x00debug_register(rt2x00dev);
+ __set_bit(DEVICE_PRESENT, &rt2x00dev->flags);
+
return 0;
exit:
@@ -1022,6 +1027,8 @@
void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
{
+ __clear_bit(DEVICE_PRESENT, &rt2x00dev->flags);
+
/*
* Disable radio.
*/
@@ -1068,6 +1075,13 @@
int retval;
NOTICE(rt2x00dev, "Going to sleep.\n");
+ __clear_bit(DEVICE_PRESENT, &rt2x00dev->flags);
+
+ /*
+ * Only continue if mac80211 has open interfaces.
+ */
+ if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ goto exit;
/*
* Disable radio and unitialize all items
@@ -1077,6 +1091,7 @@
rt2x00lib_uninitialize(rt2x00dev);
rt2x00debug_deregister(rt2x00dev);
+exit:
/*
* Set device mode to sleep for power management.
*/
@@ -1094,7 +1109,7 @@
int retval;
NOTICE(rt2x00dev, "Waking up.\n");
- __set_bit(INTERFACE_RESUME, &rt2x00dev->flags);
+ __set_bit(DEVICE_PRESENT, &rt2x00dev->flags);
/*
* Open the debugfs entry.
@@ -1102,6 +1117,12 @@
rt2x00debug_register(rt2x00dev);
/*
+ * Only continue if mac80211 has open interfaces.
+ */
+ if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ return 0;
+
+ /*
* Reinitialize device and all active interfaces.
*/
retval = rt2x00mac_start(rt2x00dev->hw);
@@ -1111,15 +1132,23 @@
/*
* Reconfigure device.
*/
- retval = rt2x00mac_config(rt2x00dev->hw, &rt2x00dev->hw->conf);
- if (retval)
- goto exit;
+ rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf, 1);
+ if (!rt2x00dev->hw->conf.radio_enabled)
+ rt2x00lib_disable_radio(rt2x00dev);
rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
rt2x00lib_config_type(rt2x00dev, intf->type);
/*
+ * 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
+ * now enable it again
+ */
+ ieee80211_start_queues(rt2x00dev->hw);
+
+ /*
* When in Master or Ad-hoc mode,
* restart Beacon transmitting by faking a beacondone event.
*/
@@ -1127,8 +1156,6 @@
intf->type == IEEE80211_IF_TYPE_IBSS)
rt2x00lib_beacondone(rt2x00dev);
- __clear_bit(INTERFACE_RESUME, &rt2x00dev->flags);
-
return 0;
exit:
@@ -1136,8 +1163,6 @@
rt2x00lib_uninitialize(rt2x00dev);
rt2x00debug_deregister(rt2x00dev);
- __clear_bit(INTERFACE_RESUME, &rt2x00dev->flags);
-
return retval;
}
EXPORT_SYMBOL_GPL(rt2x00lib_resume);