diff options
3 files changed, 93 insertions, 6 deletions
diff --git a/package/kernel/mac80211/patches/326-ath9k-make-NF-load-complete-quickly-and-reliably.patch b/package/kernel/mac80211/patches/326-ath9k-make-NF-load-complete-quickly-and-reliably.patch new file mode 100644 index 0000000000..71f7a40433 --- /dev/null +++ b/package/kernel/mac80211/patches/326-ath9k-make-NF-load-complete-quickly-and-reliably.patch @@ -0,0 +1,87 @@ +From: Miaoqing Pan <miaoqing@codeaurora.org> +Date: Fri, 5 Feb 2016 09:45:50 +0800 +Subject: [PATCH] ath9k: make NF load complete quickly and reliably + +Make NF load complete quickly and reliably. NF load execution +is delayed by HW to end of frame if frame Rx or Tx is ongoing. +Increasing timeout to max frame duration. If NF cal is ongoing +before NF load, stop it before load, and restart it afterwards. + +Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org> +--- + +--- a/drivers/net/wireless/ath/ath9k/calib.c ++++ b/drivers/net/wireless/ath/ath9k/calib.c +@@ -241,6 +241,7 @@ int ath9k_hw_loadnf(struct ath_hw *ah, s + u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; + struct ath_common *common = ath9k_hw_common(ah); + s16 default_nf = ath9k_hw_get_default_nf(ah, chan); ++ u32 bb_agc_ctl = REG_READ(ah, AR_PHY_AGC_CONTROL); + + if (ah->caldata) + h = ah->caldata->nfCalHist; +@@ -264,6 +265,16 @@ int ath9k_hw_loadnf(struct ath_hw *ah, s + } + + /* ++ * stop NF cal if ongoing to ensure NF load completes immediately ++ * (or after end rx/tx frame if ongoing) ++ */ ++ if (bb_agc_ctl & AR_PHY_AGC_CONTROL_NF) { ++ REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF); ++ REG_RMW_BUFFER_FLUSH(ah); ++ ENABLE_REG_RMW_BUFFER(ah); ++ } ++ ++ /* + * Load software filtered NF value into baseband internal minCCApwr + * variable. + */ +@@ -276,18 +287,33 @@ int ath9k_hw_loadnf(struct ath_hw *ah, s + + /* + * Wait for load to complete, should be fast, a few 10s of us. +- * The max delay was changed from an original 250us to 10000us +- * since 250us often results in NF load timeout and causes deaf +- * condition during stress testing 12/12/2009 ++ * The max delay was changed from an original 250us to 22.2 msec. ++ * This would increase timeout to the longest possible frame ++ * (11n max length 22.1 msec) + */ +- for (j = 0; j < 10000; j++) { ++ for (j = 0; j < 22200; j++) { + if ((REG_READ(ah, AR_PHY_AGC_CONTROL) & +- AR_PHY_AGC_CONTROL_NF) == 0) ++ AR_PHY_AGC_CONTROL_NF) == 0) + break; + udelay(10); + } + + /* ++ * Restart NF so it can continue. ++ */ ++ if (bb_agc_ctl & AR_PHY_AGC_CONTROL_NF) { ++ ENABLE_REG_RMW_BUFFER(ah); ++ if (bb_agc_ctl & AR_PHY_AGC_CONTROL_ENABLE_NF) ++ REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, ++ AR_PHY_AGC_CONTROL_ENABLE_NF); ++ if (bb_agc_ctl & AR_PHY_AGC_CONTROL_NO_UPDATE_NF) ++ REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, ++ AR_PHY_AGC_CONTROL_NO_UPDATE_NF); ++ REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF); ++ REG_RMW_BUFFER_FLUSH(ah); ++ } ++ ++ /* + * We timed out waiting for the noisefloor to load, probably due to an + * in-progress rx. Simply return here and allow the load plenty of time + * to complete before the next calibration interval. We need to avoid +@@ -296,7 +322,7 @@ int ath9k_hw_loadnf(struct ath_hw *ah, s + * here, the baseband nf cal will just be capped by our present + * noisefloor until the next calibration timer. + */ +- if (j == 10000) { ++ if (j == 22200) { + ath_dbg(common, ANY, + "Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x%x\n", + REG_READ(ah, AR_PHY_AGC_CONTROL)); diff --git a/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch b/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch index ef9258b418..e151a12967 100644 --- a/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch +++ b/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch @@ -18,7 +18,7 @@ const u8 *addr); --- a/include/net/mac80211.h +++ b/include/net/mac80211.h -@@ -1282,6 +1282,7 @@ enum ieee80211_smps_mode { +@@ -1286,6 +1286,7 @@ enum ieee80211_smps_mode { * * @power_level: requested transmit power (in dBm), backward compatibility * value only that is set to the minimum of all interfaces @@ -26,7 +26,7 @@ * * @chandef: the channel definition to tune to * @radar_enabled: whether radar detection is enabled -@@ -1302,6 +1303,7 @@ enum ieee80211_smps_mode { +@@ -1306,6 +1307,7 @@ enum ieee80211_smps_mode { struct ieee80211_conf { u32 flags; int power_level, dynamic_ps_timeout; @@ -87,7 +87,7 @@ CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h -@@ -1317,6 +1317,7 @@ struct ieee80211_local { +@@ -1318,6 +1318,7 @@ struct ieee80211_local { int dynamic_ps_forced_timeout; int user_power_level; /* in dBm, for all interfaces */ diff --git a/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch b/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch index 50ddd0b9d9..5a5e4643f5 100644 --- a/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch +++ b/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch @@ -54,7 +54,8 @@ + (brightness != LED_OFF) ^ led->gpio->active_low); + ath9k_ps_restore(sc); +} -+ + +- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, val); +static int ath_add_led(struct ath_softc *sc, struct ath_led *led) +{ + const struct gpio_led *gpio = led->gpio; @@ -63,8 +64,7 @@ + led->cdev.name = gpio->name; + led->cdev.default_trigger = gpio->default_trigger; + led->cdev.brightness_set = ath_led_brightness; - -- ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, val); ++ + ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->cdev); + if (ret < 0) + return ret; |