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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.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index a11421274f7..b26c634f210 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -103,6 +103,46 @@ void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev)
}
/*
+ * Ring initialization
+ */
+static void rt2x00lib_init_rxrings(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring = rt2x00dev->rx;
+ unsigned int i;
+
+ if (!rt2x00dev->ops->lib->init_rxentry)
+ return;
+
+ if (ring->data_addr)
+ memset(ring->data_addr, 0, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++)
+ rt2x00dev->ops->lib->init_rxentry(rt2x00dev, &ring->entry[i]);
+
+ rt2x00_ring_index_clear(ring);
+}
+
+static void rt2x00lib_init_txrings(struct rt2x00_dev *rt2x00dev)
+{
+ struct data_ring *ring;
+ unsigned int i;
+
+ if (!rt2x00dev->ops->lib->init_txentry)
+ return;
+
+ txringall_for_each(rt2x00dev, ring) {
+ if (ring->data_addr)
+ memset(ring->data_addr, 0, rt2x00_get_ring_size(ring));
+
+ for (i = 0; i < ring->stats.limit; i++)
+ rt2x00dev->ops->lib->init_txentry(rt2x00dev,
+ &ring->entry[i]);
+
+ rt2x00_ring_index_clear(ring);
+ }
+}
+
+/*
* Radio control handlers.
*/
int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
@@ -118,6 +158,12 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
return 0;
/*
+ * Initialize all data rings.
+ */
+ rt2x00lib_init_rxrings(rt2x00dev);
+ rt2x00lib_init_txrings(rt2x00dev);
+
+ /*
* Enable radio.
*/
status = rt2x00dev->ops->lib->set_device_state(rt2x00dev,