From: Gertjan van Wingerde <gwingerde@xxxxxxxxx>
There is no need to fill the TX URB this early, and moving it to the
rt2x00usb_kick_tx_entry function allows us to merge the PCI and USB
variants of the write_tx_data function.
Signed-off-by: Gertjan van Wingerde <gwingerde@xxxxxxxxx>
Signed-off-by: Ivo van Doorn <IvDoorn@xxxxxxxxx>
---
drivers/net/wireless/rt2x00/rt2x00usb.c | 33 ++++++++++++++++---------------
1 files changed, 17 insertions(+), 16 deletions(-)
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 9759754..1c91812 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -211,9 +211,6 @@ int rt2x00usb_write_tx_data(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
- struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
- struct queue_entry_priv_usb *entry_priv = entry->priv_data;
- u32 length;
/*
* Add the descriptor in front of the skb.
@@ -222,18 +219,6 @@ int rt2x00usb_write_tx_data(struct queue_entry *entry,
memset(entry->skb->data, 0, entry->queue->desc_size);
/*
- * USB devices cannot blindly pass the skb->len as the
- * length of the data to usb_fill_bulk_urb. Pass the skb
- * to the driver to determine what the length should be.
- */
- length = rt2x00dev->ops->lib->get_tx_data_len(entry);
-
- usb_fill_bulk_urb(entry_priv->urb, usb_dev,
- usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint),
- entry->skb->data, length,
- rt2x00usb_interrupt_txdone, entry);
-
- /*
* Call the driver's write_tx_datadesc function, if it exists.
*/
if (rt2x00dev->ops->lib->write_tx_datadesc)
@@ -245,10 +230,26 @@ EXPORT_SYMBOL_GPL(rt2x00usb_write_tx_data);
static inline void rt2x00usb_kick_tx_entry(struct queue_entry *entry)
{
+ struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+ struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
struct queue_entry_priv_usb *entry_priv = entry->priv_data;
+ u32 length;
+
+ if (test_and_clear_bit(ENTRY_DATA_PENDING, &entry->flags)) {
+ /*
+ * USB devices cannot blindly pass the skb->len as the
+ * length of the data to usb_fill_bulk_urb. Pass the skb
+ * to the driver to determine what the length should be.
+ */
+ length = rt2x00dev->ops->lib->get_tx_data_len(entry);
+
+ usb_fill_bulk_urb(entry_priv->urb, usb_dev,
+ usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint),
+ entry->skb->data, length,
+ rt2x00usb_interrupt_txdone, entry);
- if (test_and_clear_bit(ENTRY_DATA_PENDING, &entry->flags))
usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
+ }
}
void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
--
1.6.6.1
--
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