1 files changed, 10 insertions, 3 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 66220cde9c49..ddd15c52b346 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -637,10 +637,17 @@ static void b43_upload_card_macaddress(struct b43_wldev *dev)
 static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time)
 {
         /* slot_time is in usec. */
-        if (dev->phy.type != B43_PHYTYPE_G)
+        /* This test used to exit for all but a G PHY. */
+        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
                 return;
-        b43_write16(dev, 0x684, 510 + slot_time);
-        b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time);
+        b43_write16(dev, B43_MMIO_IFSSLOT, 510 + slot_time);
+        /* Shared memory location 0x0010 is the slot time and should be
+         * set to slot_time; however, this register is initially 0 and changing
+         * the value adversely affects the transmit rate for BCM4311
+         * devices. Until this behavior is unterstood, delete this step
+         *
+         * b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time);
+         */
 }
 
 static void b43_short_slot_timing_enable(struct b43_wldev *dev)