---

yaml --- r: 225136 b: refs/heads/master c: 1551808 h: refs/heads/master v: v3
git-mirror · Dec 8, 2010 · 834bf15 · 834bf15
1 parent 7243018
commit 834bf15
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Showing 3 changed files with 12 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 755fd183b89bc8a302669b6f35cd98faee473f7a
+refs/heads/master: 155180803c95c7b14b355f60431bef45116c151e
diff --git a/trunk/drivers/net/wireless/b43/phy_common.c b/trunk/drivers/net/wireless/b43/phy_common.c
@@ -231,13 +231,18 @@ void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set)
 u16 b43_phy_read(struct b43_wldev *dev, u16 reg)
 {
 	assert_mac_suspended(dev);
+	dev->phy.writes_counter = 0;
 	return dev->phy.ops->phy_read(dev, reg);
 }
 
 void b43_phy_write(struct b43_wldev *dev, u16 reg, u16 value)
 {
 	assert_mac_suspended(dev);
 	dev->phy.ops->phy_write(dev, reg, value);
+	if (++dev->phy.writes_counter == B43_MAX_WRITES_IN_ROW) {
+		b43_read16(dev, B43_MMIO_PHY_VER);
+		dev->phy.writes_counter = 0;
+	}
 }
 
 void b43_phy_copy(struct b43_wldev *dev, u16 destreg, u16 srcreg)

diff --git a/trunk/drivers/net/wireless/b43/phy_common.h b/trunk/drivers/net/wireless/b43/phy_common.h
@@ -39,6 +39,9 @@ struct b43_c32 { s32 i, q; };
 #define B43_PHYVER_TYPE_SHIFT		8
 #define B43_PHYVER_VERSION		0x00FF
 
+/* PHY writes need to be flushed if we reach limit */
+#define B43_MAX_WRITES_IN_ROW		24
+
 /**
  * enum b43_interference_mitigation - Interference Mitigation mode
  *
@@ -232,6 +235,9 @@ struct b43_phy {
 	/* PHY revision number. */
 	u8 rev;
 
+	/* Count writes since last read */
+	u8 writes_counter;
+
 	/* Radio versioning */
 	u16 radio_manuf;	/* Radio manufacturer */
 	u16 radio_ver;		/* Radio version */