3 files changed, 39 insertions, 32 deletions

diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c
index e04fc91f569e..7ed0eeeddeaa 100644
--- a/drivers/net/wireless/b43/debugfs.c
+++ b/drivers/net/wireless/b43/debugfs.c
@@ -367,34 +367,6 @@ static int mmio32write__write_file(struct b43_wldev *dev,
 	return 0;
 }
 
-/* wl->irq_lock is locked */
-static ssize_t tsf_read_file(struct b43_wldev *dev,
-			     char *buf, size_t bufsize)
-{
-	ssize_t count = 0;
-	u64 tsf;
-
-	b43_tsf_read(dev, &tsf);
-	fappend("0x%08x%08x\n",
-		(unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32),
-		(unsigned int)(tsf & 0xFFFFFFFFULL));
-
-	return count;
-}
-
-/* wl->irq_lock is locked */
-static int tsf_write_file(struct b43_wldev *dev,
-			  const char *buf, size_t count)
-{
-	u64 tsf;
-
-	if (sscanf(buf, "%llu", (unsigned long long *)(&tsf)) != 1)
-		return -EINVAL;
-	b43_tsf_write(dev, tsf);
-
-	return 0;
-}
-
 static ssize_t txstat_read_file(struct b43_wldev *dev,
 				char *buf, size_t bufsize)
 {
@@ -691,7 +663,6 @@ B43_DEBUGFS_FOPS(mmio16read, mmio16read__read_file, mmio16read__write_file, 1);
 B43_DEBUGFS_FOPS(mmio16write, NULL, mmio16write__write_file, 1);
 B43_DEBUGFS_FOPS(mmio32read, mmio32read__read_file, mmio32read__write_file, 1);
 B43_DEBUGFS_FOPS(mmio32write, NULL, mmio32write__write_file, 1);
-B43_DEBUGFS_FOPS(tsf, tsf_read_file, tsf_write_file, 1);
 B43_DEBUGFS_FOPS(txstat, txstat_read_file, NULL, 0);
 B43_DEBUGFS_FOPS(restart, NULL, restart_write_file, 1);
 B43_DEBUGFS_FOPS(loctls, loctls_read_file, NULL, 0);
@@ -805,7 +776,6 @@ void b43_debugfs_add_device(struct b43_wldev *dev)
 	ADD_FILE(mmio16write, 0200);
 	ADD_FILE(mmio32read, 0600);
 	ADD_FILE(mmio32write, 0200);
-	ADD_FILE(tsf, 0600);
 	ADD_FILE(txstat, 0400);
 	ADD_FILE(restart, 0200);
 	ADD_FILE(loctls, 0400);
@@ -834,7 +804,6 @@ void b43_debugfs_remove_device(struct b43_wldev *dev)
 	debugfs_remove(e->file_mmio16write.dentry);
 	debugfs_remove(e->file_mmio32read.dentry);
 	debugfs_remove(e->file_mmio32write.dentry);
-	debugfs_remove(e->file_tsf.dentry);
 	debugfs_remove(e->file_txstat.dentry);
 	debugfs_remove(e->file_restart.dentry);
 	debugfs_remove(e->file_loctls.dentry);
diff --git a/drivers/net/wireless/b43/debugfs.h b/drivers/net/wireless/b43/debugfs.h
index 7886cbe2d1d1..91a2f2918a2e 100644
--- a/drivers/net/wireless/b43/debugfs.h
+++ b/drivers/net/wireless/b43/debugfs.h
@@ -46,7 +46,6 @@ struct b43_dfsentry {
 	struct b43_dfs_file file_mmio16write;
 	struct b43_dfs_file file_mmio32read;
 	struct b43_dfs_file file_mmio32write;
-	struct b43_dfs_file file_tsf;
 	struct b43_dfs_file file_txstat;
 	struct b43_dfs_file file_txpower_g;
 	struct b43_dfs_file file_restart;
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index cbb3d45f6fc9..e41c10fd31d3 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3245,6 +3245,43 @@ static int b43_op_get_stats(struct ieee80211_hw *hw,
 	return 0;
 }
 
+static u64 b43_op_get_tsf(struct ieee80211_hw *hw)
+{
+	struct b43_wl *wl = hw_to_b43_wl(hw);
+	struct b43_wldev *dev;
+	u64 tsf;
+
+	mutex_lock(&wl->mutex);
+	spin_lock_irq(&wl->irq_lock);
+	dev = wl->current_dev;
+
+	if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+		b43_tsf_read(dev, &tsf);
+	else
+		tsf = 0;
+
+	spin_unlock_irq(&wl->irq_lock);
+	mutex_unlock(&wl->mutex);
+
+	return tsf;
+}
+
+static void b43_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+	struct b43_wl *wl = hw_to_b43_wl(hw);
+	struct b43_wldev *dev;
+
+	mutex_lock(&wl->mutex);
+	spin_lock_irq(&wl->irq_lock);
+	dev = wl->current_dev;
+
+	if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+		b43_tsf_write(dev, tsf);
+
+	spin_unlock_irq(&wl->irq_lock);
+	mutex_unlock(&wl->mutex);
+}
+
 static void b43_put_phy_into_reset(struct b43_wldev *dev)
 {
 	struct ssb_device *sdev = dev->dev;
@@ -4364,6 +4401,8 @@ static const struct ieee80211_ops b43_hw_ops = {
 	.set_key		= b43_op_set_key,
 	.get_stats		= b43_op_get_stats,
 	.get_tx_stats		= b43_op_get_tx_stats,
+	.get_tsf		= b43_op_get_tsf,
+	.set_tsf		= b43_op_set_tsf,
 	.start			= b43_op_start,
 	.stop			= b43_op_stop,
 	.set_tim		= b43_op_beacon_set_tim,