From: Rafał Miłecki Date: Mon, 11 Oct 2010 01:11:03 +0000 (+0200) Subject: b43: N-PHY: fix logic in band switching X-Git-Tag: v2.6.37-rc1~147^2~78^2^2~47 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=087de74ae512fe31894c1556d5f8d5a126322de7;p=~shefty%2Frdma-dev.git b43: N-PHY: fix logic in band switching Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 789d21c5413..19582ba2059 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -3337,17 +3337,18 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev, struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; - u16 tmp; + u16 old_band_5ghz; u32 tmp32; - tmp = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ; - if (new_channel->band == IEEE80211_BAND_5GHZ && tmp == 0) { + old_band_5ghz = + b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ; + if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) { tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000); b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); - } else if (new_channel->band == IEEE80211_BAND_5GHZ) { + } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) { b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);