---

yaml --- r: 224862 b: refs/heads/master c: f7317ba h: refs/heads/master v: v3
git-mirror · Nov 30, 2010 · 8295386 · 8295386
1 parent 7f11be1
commit 8295386
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Showing 3 changed files with 15 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b3a28e68d5c8d788a4e538a119a5d326545add8a
+refs/heads/master: f7317ba2d669c1b54fb31ed7834361a700a79217
diff --git a/trunk/drivers/net/wireless/ath/ath5k/dma.c b/trunk/drivers/net/wireless/ath/ath5k/dma.c
@@ -216,6 +216,14 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 		ath5k_hw_reg_write(ah, tx_queue, AR5K_CR);
 		ath5k_hw_reg_read(ah, AR5K_CR);
 	} else {
+
+		/*
+		 * Enable DCU early termination to quickly
+		 * flush any pending frames from QCU
+		 */
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+					AR5K_QCU_MISC_DCU_EARLY);
+
 		/*
 		 * Schedule TX disable and wait until queue is empty
 		 */
@@ -285,6 +293,12 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 					queue);
 		}
 
+		/*
+		 * Disable DCU early termination
+		 */
+		AR5K_REG_DISABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+					AR5K_QCU_MISC_DCU_EARLY);
+
 		/* Clear register */
 		ath5k_hw_reg_write(ah, 0, AR5K_QCU_TXD);
 		if (pending) {

diff --git a/trunk/drivers/net/wireless/ath/ath5k/qcu.c b/trunk/drivers/net/wireless/ath/ath5k/qcu.c
@@ -340,9 +340,6 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
 		/*
 		 * Set misc registers
 		 */
-		/* Enable DCU early termination for this queue */
-		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-					AR5K_QCU_MISC_DCU_EARLY);
 
 		/* Enable DCU to wait for next fragment from QCU */
 		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),