diff options
4 files changed, 157 insertions, 7 deletions
diff --git a/package/kernel/mac80211/patches/321-ath9k_hw-reset-AHB-WMAC-interface-on-AR91xx.patch b/package/kernel/mac80211/patches/321-ath9k_hw-reset-AHB-WMAC-interface-on-AR91xx.patch new file mode 100644 index 0000000000..9caa76dc5d --- /dev/null +++ b/package/kernel/mac80211/patches/321-ath9k_hw-reset-AHB-WMAC-interface-on-AR91xx.patch @@ -0,0 +1,25 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sat, 9 Jul 2016 15:25:24 +0200 +Subject: [PATCH] ath9k_hw: reset AHB-WMAC interface on AR91xx + +Should fix a few stability issues + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1398,8 +1398,12 @@ static bool ath9k_hw_set_reset(struct at + if (!AR_SREV_9100(ah)) + REG_WRITE(ah, AR_RC, 0); + +- if (AR_SREV_9100(ah)) ++ if (AR_SREV_9100(ah)) { ++ /* Reset the AHB-WMAC interface */ ++ if (ah->external_reset) ++ ah->external_reset(); + udelay(50); ++ } + + return true; + } diff --git a/package/kernel/mac80211/patches/322-ath9k_hw-issue-external-reset-for-QCA9550.patch b/package/kernel/mac80211/patches/322-ath9k_hw-issue-external-reset-for-QCA9550.patch new file mode 100644 index 0000000000..5d4e849b7f --- /dev/null +++ b/package/kernel/mac80211/patches/322-ath9k_hw-issue-external-reset-for-QCA9550.patch @@ -0,0 +1,125 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sat, 9 Jul 2016 15:26:44 +0200 +Subject: [PATCH] ath9k_hw: issue external reset for QCA9550 + +The RTC interface on the SoC needs to be reset along with the rest of +the WMAC. + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -1275,39 +1275,56 @@ void ath9k_hw_get_delta_slope_vals(struc + *coef_exponent = coef_exp - 16; + } + +-/* AR9330 WAR: +- * call external reset function to reset WMAC if: +- * - doing a cold reset +- * - we have pending frames in the TX queues. +- */ +-static bool ath9k_hw_ar9330_reset_war(struct ath_hw *ah, int type) ++static bool ath9k_hw_need_external_reset(struct ath_hw *ah, int type) + { +- int i, npend = 0; ++ int i; + +- for (i = 0; i < AR_NUM_QCU; i++) { +- npend = ath9k_hw_numtxpending(ah, i); +- if (npend) +- break; ++ if (type == ATH9K_RESET_COLD) ++ return true; ++ ++ if (AR_SREV_9550(ah)) ++ return true; ++ ++ /* AR9330 WAR: ++ * call external reset function to reset WMAC if: ++ * - doing a cold reset ++ * - we have pending frames in the TX queues. ++ */ ++ if (AR_SREV_9330(ah)) { ++ for (i = 0; i < AR_NUM_QCU; i++) { ++ if (ath9k_hw_numtxpending(ah, i)) ++ return true; ++ } + } + +- if (ah->external_reset && +- (npend || type == ATH9K_RESET_COLD)) { +- int reset_err = 0; ++ return false; ++} + +- ath_dbg(ath9k_hw_common(ah), RESET, +- "reset MAC via external reset\n"); ++static bool ath9k_hw_external_reset(struct ath_hw *ah, int type) ++{ ++ int err; + +- reset_err = ah->external_reset(); +- if (reset_err) { +- ath_err(ath9k_hw_common(ah), +- "External reset failed, err=%d\n", +- reset_err); +- return false; +- } ++ if (!ah->external_reset || !ath9k_hw_need_external_reset(ah, type)) ++ return true; + +- REG_WRITE(ah, AR_RTC_RESET, 1); ++ ath_dbg(ath9k_hw_common(ah), RESET, ++ "reset MAC via external reset\n"); ++ ++ err = ah->external_reset(); ++ if (err) { ++ ath_err(ath9k_hw_common(ah), ++ "External reset failed, err=%d\n", err); ++ return false; ++ } ++ ++ if (AR_SREV_9550(ah)) { ++ REG_WRITE(ah, AR_RTC_RESET, 0); ++ udelay(10); + } + ++ REG_WRITE(ah, AR_RTC_RESET, 1); ++ udelay(10); ++ + return true; + } + +@@ -1360,24 +1377,23 @@ static bool ath9k_hw_set_reset(struct at + rst_flags |= AR_RTC_RC_MAC_COLD; + } + +- if (AR_SREV_9330(ah)) { +- if (!ath9k_hw_ar9330_reset_war(ah, type)) +- return false; +- } +- + if (ath9k_hw_mci_is_enabled(ah)) + ar9003_mci_check_gpm_offset(ah); + + /* DMA HALT added to resolve ar9300 and ar9580 bus error during +- * RTC_RC reg read ++ * RTC_RC reg read. Also needed for AR9550 external reset + */ +- if (AR_SREV_9300(ah) || AR_SREV_9580(ah)) { ++ if (AR_SREV_9300(ah) || AR_SREV_9580(ah) || AR_SREV_9550(ah)) { + REG_SET_BIT(ah, AR_CFG, AR_CFG_HALT_REQ); + ath9k_hw_wait(ah, AR_CFG, AR_CFG_HALT_ACK, AR_CFG_HALT_ACK, + 20 * AH_WAIT_TIMEOUT); +- REG_CLR_BIT(ah, AR_CFG, AR_CFG_HALT_REQ); + } + ++ ath9k_hw_external_reset(ah, type); ++ ++ if (AR_SREV_9300(ah) || AR_SREV_9580(ah)) ++ REG_CLR_BIT(ah, AR_CFG, AR_CFG_HALT_REQ); ++ + REG_WRITE(ah, AR_RTC_RC, rst_flags); + + REGWRITE_BUFFER_FLUSH(ah); diff --git a/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch index f4bb0f2d90..3b746dc683 100644 --- a/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch +++ b/package/kernel/mac80211/patches/542-ath9k_debugfs_diag.patch @@ -94,7 +94,7 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1821,6 +1821,20 @@ u32 ath9k_hw_get_tsf_offset(struct times +@@ -1841,6 +1841,20 @@ u32 ath9k_hw_get_tsf_offset(struct times } EXPORT_SYMBOL(ath9k_hw_get_tsf_offset); @@ -115,7 +115,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, struct ath9k_hw_cal_data *caldata, bool fastcc) { -@@ -2029,6 +2043,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st +@@ -2049,6 +2063,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st ar9003_hw_disable_phy_restart(ah); ath9k_hw_apply_gpio_override(ah); diff --git a/package/kernel/mac80211/patches/544-ath9k-ar933x-usb-hang-workaround.patch b/package/kernel/mac80211/patches/544-ath9k-ar933x-usb-hang-workaround.patch index 9462fcaafa..b9c962e1b5 100644 --- a/package/kernel/mac80211/patches/544-ath9k-ar933x-usb-hang-workaround.patch +++ b/package/kernel/mac80211/patches/544-ath9k-ar933x-usb-hang-workaround.patch @@ -20,9 +20,9 @@ /******************/ /* Chip Revisions */ /******************/ -@@ -1397,6 +1410,9 @@ static bool ath9k_hw_set_reset(struct at - if (AR_SREV_9100(ah)) +@@ -1417,6 +1430,9 @@ static bool ath9k_hw_set_reset(struct at udelay(50); + } + if (AR_SREV_9330(ah) || AR_SREV_9340(ah)) + ath9k_hw_disable_pll_lock_detect(ah); @@ -30,7 +30,7 @@ return true; } -@@ -1496,6 +1512,9 @@ static bool ath9k_hw_chip_reset(struct a +@@ -1516,6 +1532,9 @@ static bool ath9k_hw_chip_reset(struct a ar9003_hw_internal_regulator_apply(ah); ath9k_hw_init_pll(ah, chan); @@ -40,7 +40,7 @@ return true; } -@@ -1799,8 +1818,14 @@ static int ath9k_hw_do_fastcc(struct ath +@@ -1819,8 +1838,14 @@ static int ath9k_hw_do_fastcc(struct ath if (AR_SREV_9271(ah)) ar9002_hw_load_ani_reg(ah, chan); @@ -55,7 +55,7 @@ return -EINVAL; } -@@ -2054,6 +2079,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st +@@ -2074,6 +2099,9 @@ int ath9k_hw_reset(struct ath_hw *ah, st ath9k_hw_set_radar_params(ah); } |