diff mbox

[1/5] rt2x00: Minor optimizazion in txdone path

Message ID 201109072010.04023.IvDoorn@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Ivo van Doorn Sept. 7, 2011, 6:10 p.m. UTC 
From: Helmut Schaa <helmut.schaa@googlemail.com>

We can save an indirect function call + some instructions for fetching
the actual function pointer by passing the driver specific txwi pointer
directly from rt2800pci/rt2800usb to rt2800lib instead of using the
rt2800_drv_get_txwi callback.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---

 drivers/net/wireless/rt2x00/rt2800lib.c |    4 +---
 drivers/net/wireless/rt2x00/rt2800lib.h |    2 +-
 drivers/net/wireless/rt2x00/rt2800pci.c |    2 +-
 drivers/net/wireless/rt2x00/rt2800usb.c |    3 ++-
 4 files changed, 5 insertions(+), 6 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 775e996..ba626a9 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -601,7 +601,7 @@  void rt2800_process_rxwi(struct queue_entry *entry,
 }
 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
 
-void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
+void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
@@ -609,13 +609,11 @@  void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
 	u32 word;
 	u16 mcs, real_mcs;
 	int aggr, ampdu;
-	__le32 *txwi;
 
 	/*
 	 * Obtain the status about this packet.
 	 */
 	txdesc.flags = 0;
-	txwi = rt2800_drv_get_txwi(entry);
 	rt2x00_desc_read(txwi, 0, &word);
 
 	mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index b851847..7a2511f 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -152,7 +152,7 @@  void rt2800_write_tx_data(struct queue_entry *entry,
 			  struct txentry_desc *txdesc);
 void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *txdesc);
 
-void rt2800_txdone_entry(struct queue_entry *entry, u32 status);
+void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32* txwi);
 
 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc);
 void rt2800_clear_beacon(struct queue_entry *entry);
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 4fd6649..2633628 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -760,7 +760,7 @@  static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 		}
 
 		entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
-		rt2800_txdone_entry(entry, status);
+		rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry));
 
 		if (--max_tx_done == 0)
 			break;
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 42f511b..0015526 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -542,7 +542,8 @@  static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
 		}
 
 		if (entry)
-			rt2800_txdone_entry(entry, reg);
+			rt2800_txdone_entry(entry, reg,
+				            rt2800usb_get_txwi(entry));
 	}
 }