rt2800: initialize BBP_R91 on all subroutines (except 5592)

Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rt2x00/rt2800lib.c

@@ -3975,6 +3975,8 @@ static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
 
 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
@@ -4004,6 +4006,8 @@ static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
 		rt2800_bbp_write(rt2x00dev, 84, 0x99);
 
 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
@@ -4027,6 +4031,8 @@ static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
 
 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
@@ -4061,6 +4067,8 @@ static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
 	rt2800_bbp_write(rt2x00dev, 84, 0x9a);
 
 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
@@ -4099,6 +4107,8 @@ static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
 
 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
@@ -4122,6 +4132,8 @@ static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
 
 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
@@ -4147,6 +4159,8 @@ static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
 
 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
@@ -4183,6 +4197,8 @@ static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
 
 	if (rt2x00_rt(rt2x00dev, RT5392))
 		rt2800_bbp_write(rt2x00dev, 88, 0x90);
+
+	rt2800_bbp_write(rt2x00dev, 91, 0x04);
 }
 
 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
@@ -4301,8 +4317,6 @@ static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 		return;
 	}
 
-	rt2800_bbp_write(rt2x00dev, 91, 0x04);
-
 	if (rt2x00_rt(rt2x00dev, RT3290) ||
 	    rt2x00_rt(rt2x00dev, RT3352) ||
 	    rt2x00_rt(rt2x00dev, RT5390) ||