b43: N-PHY: split workarounds into per-PHY-ver functions

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/phy_n.c

@@ -1428,34 +1428,13 @@ static void b43_nphy_gain_ctrl_workarounds(struct b43_wldev *dev)
 	}
 }
 
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
-static void b43_nphy_workarounds(struct b43_wldev *dev)
+static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
 {
 	struct ssb_sprom *sprom = dev->dev->bus_sprom;
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_n *nphy = phy->n;
-
-	u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
-	u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
-
-	u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
-	u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
 
 	u16 tmp16;
 	u32 tmp32;
 
-	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
-		b43_nphy_classifier(dev, 1, 0);
-	else
-		b43_nphy_classifier(dev, 1, 1);
-
-	if (nphy->hang_avoid)
-		b43_nphy_stay_in_carrier_search(dev, 1);
-
-	b43_phy_set(dev, B43_NPHY_IQFLIP,
-		    B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
-
-	if (dev->phy.rev >= 3) {
 	tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
 	tmp32 &= 0xffffff;
 	b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
@@ -1532,7 +1511,20 @@ static void b43_nphy_workarounds(struct b43_wldev *dev)
 	b43_phy_write(dev, 0x22D, 0x0357);
 	b43_phy_write(dev, 0x22E, 0x0317);
 	b43_phy_write(dev, 0x22F, 0x02D7);
-	} else {
+}
+
+static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
+{
+	struct ssb_sprom *sprom = dev->dev->bus_sprom;
+	struct b43_phy *phy = &dev->phy;
+	struct b43_phy_n *nphy = phy->n;
+
+	u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
+	u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
+
+	u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
+	u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
+
 	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
 	    nphy->band5g_pwrgain) {
 		b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
@@ -1601,7 +1593,29 @@ static void b43_nphy_workarounds(struct b43_wldev *dev)
 	if (dev->phy.rev == 2)
 		b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
 				B43_NPHY_FINERX2_CGC_DECGC);
-	}
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
+static void b43_nphy_workarounds(struct b43_wldev *dev)
+{
+	struct b43_phy *phy = &dev->phy;
+	struct b43_phy_n *nphy = phy->n;
+
+	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
+		b43_nphy_classifier(dev, 1, 0);
+	else
+		b43_nphy_classifier(dev, 1, 1);
+
+	if (nphy->hang_avoid)
+		b43_nphy_stay_in_carrier_search(dev, 1);
+
+	b43_phy_set(dev, B43_NPHY_IQFLIP,
+		    B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
+
+	if (dev->phy.rev >= 3)
+		b43_nphy_workarounds_rev3plus(dev);
+	else
+		b43_nphy_workarounds_rev1_2(dev);
 
 	if (nphy->hang_avoid)
 		b43_nphy_stay_in_carrier_search(dev, 0);