b43: set TMS to work with current band width for N-PHY

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

4 files changed, 15 insertions, 7 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index fa488036658..670fd7b782e 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1150,6 +1150,12 @@ void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags)
 
         flags |= B43_TMSLOW_PHYCLKEN;
         flags |= B43_TMSLOW_PHYRESET;
+        if (dev->phy.type == B43_PHYTYPE_N) {
+                if (b43_channel_type_is_40mhz(dev->phy.channel_type))
+                        flags |= B43_TMSLOW_PHYCLKSPEED_160MHZ;
+                else
+                        flags |= B43_TMSLOW_PHYCLKSPEED_80MHZ;
+        }
         ssb_device_enable(dev->dev, flags);
         msleep(2);              /* Wait for the PLL to turn on. */
 
diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index 0a91fc3a2e0..412f1b64cc8 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -429,6 +429,13 @@ void b43_phyop_switch_analog_generic(struct b43_wldev *dev, bool on)
         b43_write16(dev, B43_MMIO_PHY0, on ? 0 : 0xF4);
 }
 
+
+bool b43_channel_type_is_40mhz(enum nl80211_channel_type channel_type)
+{
+        return (channel_type == NL80211_CHAN_HT40MINUS ||
+                channel_type == NL80211_CHAN_HT40PLUS);
+}
+
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Cordic */
 struct b43_c32 b43_cordic(int theta)
 {
diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h
index 2ed60e5484b..2401bee8b08 100644
--- a/drivers/net/wireless/b43/phy_common.h
+++ b/drivers/net/wireless/b43/phy_common.h
@@ -436,6 +436,8 @@ int b43_phy_shm_tssi_read(struct b43_wldev *dev, u16 shm_offset);
  */
 void b43_phyop_switch_analog_generic(struct b43_wldev *dev, bool on);
 
+bool b43_channel_type_is_40mhz(enum nl80211_channel_type channel_type);
+
 struct b43_c32 b43_cordic(int theta);
 
 #endif /* LINUX_B43_PHY_COMMON_H_ */
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index d41da7f5584..35173419d13 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -88,13 +88,6 @@ static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
 static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
                                                 u16 value, u8 core);
 
-static inline bool b43_channel_type_is_40mhz(
-                                        enum nl80211_channel_type channel_type)
-{
-        return (channel_type == NL80211_CHAN_HT40MINUS ||
-                channel_type == NL80211_CHAN_HT40PLUS);
-}
-
 void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
 {//TODO
 }