diff options
| author | Bob Copeland <me@bobcopeland.com> | 2008-11-26 16:17:25 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-12-05 09:32:13 -0500 |
| commit | f650470a8f506bc33a15778432ebb8cdcf89175b (patch) | |
| tree | 91d563ae28beaa01d229682ca7a299d70f047f74 /drivers/net/wireless/ath5k/attach.c | |
| parent | 671434904633876f89be70af415c35c89fb90115 (diff) | |
ath5k: enable combined michael mic in key cache
For mac revisions >= "Griffin," the hardware allows the mic tx and rx
authenticator keys to share the same cache line, whereas earlier
hardware can only store the rx. Enable the combined mic on hardware
that supports it.
Changes to ath5k.h
Changes-licensed-under: 3-Clause-BSD
Changes to attach.c, pcu.c, reg.h
Changes-licensed-under: ISC
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath5k/attach.c')
| -rw-r--r-- | drivers/net/wireless/ath5k/attach.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath5k/attach.c b/drivers/net/wireless/ath5k/attach.c index 49d82d79d3f..dea378f7673 100644 --- a/drivers/net/wireless/ath5k/attach.c +++ b/drivers/net/wireless/ath5k/attach.c @@ -317,6 +317,12 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) goto err_free; } + if (srev >= AR5K_SREV_AR2414) { + ah->ah_combined_mic = true; + AR5K_REG_ENABLE_BITS(ah, AR5K_MISC_MODE, + AR5K_MISC_MODE_COMBINED_MIC); + } + /* MAC address is cleared until add_interface */ ath5k_hw_set_lladdr(ah, mac); |