diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2011-04-11 16:39:40 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-12 16:59:37 -0400 |
| commit | 3dfd7f606645279c788f48cfdfdf9565ec72c4f0 (patch) | |
| tree | 939a11aeb3af4249babe73aff313dcff24cf073f /drivers/net/wireless/ath/ath9k/ar9003_phy.c | |
| parent | 228bdfca9a09c1263c24509b4bc23a67be168e1a (diff) | |
ath9k: Implement integer mode for AR9485
This fixes random disconnect.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_phy.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_phy.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 93398de0bf6..1bc33f51e46 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -75,9 +75,18 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan) freq = centers.synth_center; if (freq < 4800) { /* 2 GHz, fractional mode */ - if (AR_SREV_9485(ah)) - channelSel = CHANSEL_2G_9485(freq); - else + if (AR_SREV_9485(ah)) { + u32 chan_frac; + + /* + * freq_ref = 40 / (refdiva >> amoderefsel); where refdiva=1 and amoderefsel=0 + * ndiv = ((chan_mhz * 4) / 3) / freq_ref; + * chansel = int(ndiv), chanfrac = (ndiv - chansel) * 0x20000 + */ + channelSel = (freq * 4) / 120; + chan_frac = (((freq * 4) % 120) * 0x20000) / 120; + channelSel = (channelSel << 17) | chan_frac; + } else channelSel = CHANSEL_2G(freq); /* Set to 2G mode */ bMode = 1; |