From a53b5f791a292396d90faf7a5afd1178fb934b2b Mon Sep 17 00:00:00 2001
From: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Date: Thu, 15 Apr 2010 17:39:35 -0400
Subject: [PATCH] --- yaml --- r: 194445 b: refs/heads/master c:
 eb8232535bbeaf51f7c4826265ad96bf966829f3 h: refs/heads/master i:   194443:
 97fb9192a45b5a83ab06f2e9e7d8edf98a3a5f77 v: v3

---
 [refs]                                        |  2 +-
 .../net/wireless/ath/ath9k/ar9003_mac.c       | 36 +++++++++++--------
 2 files changed, 22 insertions(+), 16 deletions(-)

diff --git a/[refs] b/[refs]
index 6495b2e97b8e..416342be0e46 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5088c2f1a2475546d9a79b515bde6d65b8681e51
+refs/heads/master: eb8232535bbeaf51f7c4826265ad96bf966829f3
diff --git a/trunk/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/trunk/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 1a8c1ba538b4..582c88050664 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/trunk/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -21,14 +21,33 @@ static void ar9003_hw_rx_enable(struct ath_hw *hw)
 	REG_WRITE(hw, AR_CR, 0);
 }
 
+static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
+{
+	int checksum;
+
+	checksum = ads->info + ads->link
+		+ ads->data0 + ads->ctl3
+		+ ads->data1 + ads->ctl5
+		+ ads->data2 + ads->ctl7
+		+ ads->data3 + ads->ctl9;
+
+	return ((checksum & 0xffff) + (checksum >> 16)) & AR_TxPtrChkSum;
+}
+
 static void ar9003_hw_set_desc_link(void *ds, u32 ds_link)
 {
-	((struct ar9003_txc *) ds)->link = ds_link;
+	struct ar9003_txc *ads = ds;
+
+	ads->link = ds_link;
+	ads->ctl10 &= ~AR_TxPtrChkSum;
+	ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
 }
 
 static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
 {
-	*ds_link = &((struct ar9003_txc *) ds)->link;
+	struct ar9003_txc *ads = ds;
+
+	*ds_link = &ads->link;
 }
 
 static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
@@ -168,19 +187,6 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
 	return true;
 }
 
-static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads)
-{
-	int checksum;
-
-	checksum = ads->info + ads->link
-		+ ads->data0 + ads->ctl3
-		+ ads->data1 + ads->ctl5
-		+ ads->data2 + ads->ctl7
-		+ ads->data3 + ads->ctl9;
-
-	return ((checksum & 0xffff) + (checksum >> 16)) & AR_TxPtrChkSum;
-}
-
 static void ar9003_hw_fill_txdesc(struct ath_hw *ah, void *ds, u32 seglen,
 				  bool is_firstseg, bool is_lastseg,
 				  const void *ds0, dma_addr_t buf_addr,