---

yaml --- r: 327433 b: refs/heads/master c: 0f94177 h: refs/heads/master i: 327431: 8b649b2 v: v3
git-mirror · Aug 6, 2012 · 66fb578 · 66fb578
1 parent fb4805f
commit 66fb578
Show file tree

Hide file tree

Showing 4 changed files with 23 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6e6a2cd510351502064c3e2a56f411a19530cd57
+refs/heads/master: 0f941777c696e43e773b713a0078599aa22b3551
diff --git a/trunk/drivers/net/wireless/b43/phy_common.c b/trunk/drivers/net/wireless/b43/phy_common.c
@@ -240,6 +240,21 @@ void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set)
 			  (b43_radio_read16(dev, offset) & mask) | set);
 }
 
+bool b43_radio_wait_value(struct b43_wldev *dev, u16 offset, u16 mask,
+			  u16 value, int delay, int timeout)
+{
+	u16 val;
+	int i;
+
+	for (i = 0; i < timeout; i += delay) {
+		val = b43_radio_read(dev, offset);
+		if ((val & mask) == value)
+			return true;
+		udelay(delay);
+	}
+	return false;
+}
+
 u16 b43_phy_read(struct b43_wldev *dev, u16 reg)
 {
 	assert_mac_suspended(dev);

diff --git a/trunk/drivers/net/wireless/b43/phy_common.h b/trunk/drivers/net/wireless/b43/phy_common.h
@@ -364,6 +364,12 @@ void b43_radio_set(struct b43_wldev *dev, u16 offset, u16 set);
  */
 void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set);
 
+/**
+ * b43_radio_wait_value - Waits for a given value in masked register read
+ */
+bool b43_radio_wait_value(struct b43_wldev *dev, u16 offset, u16 mask,
+			  u16 value, int delay, int timeout);
+
 /**
  * b43_radio_lock - Lock firmware radio register access
  */

diff --git a/trunk/drivers/net/wireless/b43/phy_n.c b/trunk/drivers/net/wireless/b43/phy_n.c
@@ -753,8 +753,6 @@ static void b43_radio_init2055_post(struct b43_wldev *dev)
 {
 	struct b43_phy_n *nphy = dev->phy.n;
 	struct ssb_sprom *sprom = dev->dev->bus_sprom;
-	int i;
-	u16 val;
 	bool workaround = false;
 
 	if (sprom->revision < 4)
@@ -777,15 +775,7 @@ static void b43_radio_init2055_post(struct b43_wldev *dev)
 	b43_radio_set(dev, B2055_CAL_MISC, 0x1);
 	msleep(1);
 	b43_radio_set(dev, B2055_CAL_MISC, 0x40);
-	for (i = 0; i < 200; i++) {
-		val = b43_radio_read(dev, B2055_CAL_COUT2);
-		if (val & 0x80) {
-			i = 0;
-			break;
-		}
-		udelay(10);
-	}
-	if (i)
+	if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
 		b43err(dev->wl, "radio post init timeout\n");
 	b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
 	b43_switch_channel(dev, dev->phy.channel);