ath9k_hw: remove references to hw->conf
Accessing it to get the current operating channel is racy and in the way
of further channel handling related changes
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index bc7382f..dcdbab4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -130,29 +130,29 @@
static void ath9k_hw_set_clockrate(struct ath_hw *ah)
{
- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_channel *chan = ah->curchan;
unsigned int clockrate;
/* AR9287 v1.3+ uses async FIFO and runs the MAC at 117 MHz */
if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah))
clockrate = 117;
- else if (!ah->curchan) /* should really check for CCK instead */
+ else if (!chan) /* should really check for CCK instead */
clockrate = ATH9K_CLOCK_RATE_CCK;
- else if (conf->chandef.chan->band == IEEE80211_BAND_2GHZ)
+ else if (IS_CHAN_2GHZ(chan))
clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;
else if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
else
clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM;
- if (conf_is_ht40(conf))
+ if (IS_CHAN_HT40(chan))
clockrate *= 2;
if (ah->curchan) {
- if (IS_CHAN_HALF_RATE(ah->curchan))
+ if (IS_CHAN_HALF_RATE(chan))
clockrate /= 2;
- if (IS_CHAN_QUARTER_RATE(ah->curchan))
+ if (IS_CHAN_QUARTER_RATE(chan))
clockrate /= 4;
}
@@ -1038,7 +1038,6 @@
void ath9k_hw_init_global_settings(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
- struct ieee80211_conf *conf = &common->hw->conf;
const struct ath9k_channel *chan = ah->curchan;
int acktimeout, ctstimeout, ack_offset = 0;
int slottime;
@@ -1113,8 +1112,7 @@
* BA frames in some implementations, but it has been found to fix ACK
* timeout issues in other cases as well.
*/
- if (conf->chandef.chan &&
- conf->chandef.chan->band == IEEE80211_BAND_2GHZ &&
+ if (IS_CHAN_2GHZ(chan) &&
!IS_CHAN_HALF_RATE(chan) && !IS_CHAN_QUARTER_RATE(chan)) {
acktimeout += 64 - sifstime - ah->slottime;
ctstimeout += 48 - sifstime - ah->slottime;
@@ -2946,12 +2944,11 @@
}
EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
-void ath9k_hw_set11nmac2040(struct ath_hw *ah)
+void ath9k_hw_set11nmac2040(struct ath_hw *ah, struct ath9k_channel *chan)
{
- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
u32 macmode;
- if (conf_is_ht40(conf) && !ah->config.cwm_ignore_extcca)
+ if (IS_CHAN_HT40(chan) && !ah->config.cwm_ignore_extcca)
macmode = AR_2040_JOINED_RX_CLEAR;
else
macmode = 0;