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| author | Rafał Miłecki <zajec5@gmail.com> | 2010-10-11 03:11:03 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-10-11 15:04:25 -0400 |
| commit | 087de74ae512fe31894c1556d5f8d5a126322de7 (patch) | |
| tree | 65066c7f543bc90703bc9ae1d22a08b8b0577979 /drivers/net/wireless/b43/phy_n.c | |
| parent | e5c407f970ea2977600eb54cf4cc8a67a44fefeb (diff) | |
| download | kernel_samsung_smdk4412-087de74ae512fe31894c1556d5f8d5a126322de7.zip kernel_samsung_smdk4412-087de74ae512fe31894c1556d5f8d5a126322de7.tar.gz kernel_samsung_smdk4412-087de74ae512fe31894c1556d5f8d5a126322de7.tar.bz2 | |
b43: N-PHY: fix logic in band switching
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_n.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 789d21c..19582ba 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); |