diff options
Diffstat (limited to 'sys/dev/ath/ath_hal/ar5212/ar5212_attach.c')
| -rw-r--r-- | sys/dev/ath/ath_hal/ar5212/ar5212_attach.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c b/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c index a833a03..32b3bde 100644 --- a/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c +++ b/sys/dev/ath/ath_hal/ar5212/ar5212_attach.c @@ -786,7 +786,29 @@ ar5212FillCapabilityInfo(struct ath_hal *ah) else pCap->halHigh2GhzChan = 2732; - pCap->halLow5GhzChan = 4915; + /* + * For AR5111 version < 4, the lowest centre frequency supported is + * 5130MHz. For AR5111 version 4, the 4.9GHz channels are supported + * but only in 10MHz increments. + * + * In addition, the programming method is wrong - it uses the IEEE + * channel number to calculate the frequency, rather than the + * channel centre. Since half/quarter rates re-use some of the + * 5GHz channel IEEE numbers, this will result in a badly programmed + * synth. + * + * Until the relevant support is written, just limit lower frequency + * support for AR5111 so things aren't incorrectly programmed. + * + * XXX It's also possible this code doesn't correctly limit the + * centre frequencies of potential channels; this is very important + * for half/quarter rate! + */ + if (AH_RADIO_MAJOR(ah) == AR_RAD5111_SREV_MAJOR) { + pCap->halLow5GhzChan = 5120; /* XXX lowest centre = 5130MHz */ + } else { + pCap->halLow5GhzChan = 4915; + } pCap->halHigh5GhzChan = 6100; pCap->halCipherCkipSupport = AH_FALSE; |
