From 18c588a5709c913471a2b7378428893ee0524945 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 3 May 2013 09:12:19 +0000 Subject: [PATCH] ar71xx: add an external reset callback for ar913x and use it in ath9k - should reduce the frequency of DMA stop failures Signed-off-by: Felix Fietkau SVN-Revision: 36530 --- .../mac80211/patches/300-pending_work.patch | 38 ++++++++++++++++++- .../510-ath9k_intr_mitigation_tweak.patch | 2 +- ...24-ath9k_use_configured_antenna_gain.patch | 2 +- .../patches/553-ath9k_debugfs_diag.patch | 4 +- ...w-to-disable-bands-via-platform-data.patch | 2 +- .../480-ar913x_wmac_external_reset.patch | 31 +++++++++++++++ ...-mac-argument-to-ath79_register_wmac.patch | 4 +- ...dd-ath79_wmac_register_simple-helper.patch | 2 +- .../523-MIPS-ath79-OTP-support.patch | 2 +- ...add-ath79_wmac_disable_25ghz-helpers.patch | 2 +- 10 files changed, 78 insertions(+), 11 deletions(-) create mode 100644 target/linux/ar71xx/patches-3.8/480-ar913x_wmac_external_reset.patch diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index 92bf897b2a..379e8f47ee 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -25,7 +25,43 @@ int nstations; /* number of station vifs */ --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1698,12 +1698,11 @@ static void ath9k_hw_reset_opmode(struct +@@ -1366,7 +1366,10 @@ static bool ath9k_hw_set_reset(struct at + + REGWRITE_BUFFER_FLUSH(ah); + +- udelay(50); ++ if (AR_SREV_9100(ah)) ++ mdelay(10); ++ else ++ udelay(50); + + REG_WRITE(ah, AR_RTC_RC, 0); + if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) { +@@ -1377,8 +1380,12 @@ 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) && type != ATH9K_RESET_WARM) { ++ if (ah->external_reset) ++ ah->external_reset(); ++ + udelay(50); ++ } + + return true; + } +@@ -1464,7 +1471,8 @@ static bool ath9k_hw_chip_reset(struct a + reset_type = ATH9K_RESET_POWER_ON; + else + reset_type = ATH9K_RESET_COLD; +- } else if (ah->chip_fullsleep || REG_READ(ah, AR_Q_TXE) || ++ } else if (ah->chip_fullsleep || ++ REG_READ(ah, AR_Q_TXE) || + (REG_READ(ah, AR_CR) & AR_CR_RXE)) + reset_type = ATH9K_RESET_COLD; + +@@ -1698,12 +1706,11 @@ static void ath9k_hw_reset_opmode(struct ENABLE_REGWRITE_BUFFER(ah); diff --git a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch index 93b7889ee5..1044590f7d 100644 --- a/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch +++ b/package/mac80211/patches/510-ath9k_intr_mitigation_tweak.patch @@ -1,6 +1,6 @@ --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -2001,8 +2001,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st +@@ -2009,8 +2009,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st REG_WRITE(ah, AR_OBS, 8); if (ah->config.rx_intr_mitigation) { diff --git a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch index bee6517602..d5edeee9f8 100644 --- a/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch +++ b/package/mac80211/patches/524-ath9k_use_configured_antenna_gain.patch @@ -10,7 +10,7 @@ --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -2843,7 +2843,7 @@ void ath9k_hw_apply_txpower(struct ath_h +@@ -2851,7 +2851,7 @@ void ath9k_hw_apply_txpower(struct ath_h channel = chan->chan; chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER); new_pwr = min_t(int, chan_pwr, reg->power_limit); diff --git a/package/mac80211/patches/553-ath9k_debugfs_diag.patch b/package/mac80211/patches/553-ath9k_debugfs_diag.patch index efbfadfbd3..2db743816e 100644 --- a/package/mac80211/patches/553-ath9k_debugfs_diag.patch +++ b/package/mac80211/patches/553-ath9k_debugfs_diag.patch @@ -94,7 +94,7 @@ void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause); --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -1845,6 +1845,20 @@ fail: +@@ -1853,6 +1853,20 @@ fail: return -EINVAL; } @@ -115,7 +115,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, struct ath9k_hw_cal_data *caldata, bool fastcc) { -@@ -2046,6 +2060,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st +@@ -2054,6 +2068,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st } ath9k_hw_apply_gpio_override(ah); diff --git a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch index c2fd8733b9..3e05291e99 100644 --- a/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch +++ b/package/mac80211/patches/555-ath9k-allow-to-disable-bands-via-platform-data.patch @@ -12,7 +12,7 @@ --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c -@@ -2439,17 +2439,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw +@@ -2447,17 +2447,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw } eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE); diff --git a/target/linux/ar71xx/patches-3.8/480-ar913x_wmac_external_reset.patch b/target/linux/ar71xx/patches-3.8/480-ar913x_wmac_external_reset.patch new file mode 100644 index 0000000000..9b704a3c47 --- /dev/null +++ b/target/linux/ar71xx/patches-3.8/480-ar913x_wmac_external_reset.patch @@ -0,0 +1,31 @@ +--- a/arch/mips/ath79/dev-wmac.c ++++ b/arch/mips/ath79/dev-wmac.c +@@ -44,7 +44,7 @@ static struct platform_device ath79_wmac + }, + }; + +-static void __init ar913x_wmac_setup(void) ++static int ar913x_wmac_reset(void) + { + /* reset the WMAC */ + ath79_device_reset_set(AR913X_RESET_AMBA2WMAC); +@@ -53,10 +53,19 @@ static void __init ar913x_wmac_setup(voi + ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC); + mdelay(10); + ++ return 0; ++} ++ ++static void __init ar913x_wmac_setup(void) ++{ ++ ar913x_wmac_reset(); ++ + ath79_wmac_resources[0].start = AR913X_WMAC_BASE; + ath79_wmac_resources[0].end = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1; + ath79_wmac_resources[1].start = ATH79_CPU_IRQ(2); + ath79_wmac_resources[1].end = ATH79_CPU_IRQ(2); ++ ++ ath79_wmac_data.external_reset = ar913x_wmac_reset; + } + + diff --git a/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch b/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch index de0db9a965..d9b8682f0d 100644 --- a/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch +++ b/target/linux/ar71xx/patches-3.8/501-MIPS-ath79-add-mac-argument-to-ath79_register_wmac.patch @@ -16,7 +16,7 @@ static struct ath9k_platform_data ath79_wmac_data; static struct resource ath79_wmac_resources[] = { -@@ -151,7 +153,7 @@ static void qca955x_wmac_setup(void) +@@ -160,7 +162,7 @@ static void qca955x_wmac_setup(void) ath79_wmac_data.is_clk_25mhz = true; } @@ -25,7 +25,7 @@ { if (soc_is_ar913x()) ar913x_wmac_setup(); -@@ -168,5 +170,10 @@ void __init ath79_register_wmac(u8 *cal_ +@@ -177,5 +179,10 @@ void __init ath79_register_wmac(u8 *cal_ memcpy(ath79_wmac_data.eeprom_data, cal_data, sizeof(ath79_wmac_data.eeprom_data)); diff --git a/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch b/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch index 74309b631f..74928e6835 100644 --- a/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch +++ b/target/linux/ar71xx/patches-3.8/522-MIPS-ath79-add-ath79_wmac_register_simple-helper.patch @@ -1,6 +1,6 @@ --- a/arch/mips/ath79/dev-wmac.c +++ b/arch/mips/ath79/dev-wmac.c -@@ -180,3 +180,9 @@ void __init ath79_register_wmac(u8 *cal_ +@@ -189,3 +189,9 @@ void __init ath79_register_wmac(u8 *cal_ platform_device_register(&ath79_wmac_device); } diff --git a/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch b/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch index 84273d3d48..0672cf170d 100644 --- a/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch +++ b/target/linux/ar71xx/patches-3.8/523-MIPS-ath79-OTP-support.patch @@ -1,6 +1,6 @@ --- a/arch/mips/ath79/dev-wmac.c +++ b/arch/mips/ath79/dev-wmac.c -@@ -156,6 +156,137 @@ static void qca955x_wmac_setup(void) +@@ -165,6 +165,137 @@ static void qca955x_wmac_setup(void) ath79_wmac_data.is_clk_25mhz = true; } diff --git a/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch b/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch index 8c6fd408fa..7b4b6ef284 100644 --- a/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch +++ b/target/linux/ar71xx/patches-3.8/524-MIPS-ath79-add-ath79_wmac_disable_25ghz-helpers.patch @@ -1,6 +1,6 @@ --- a/arch/mips/ath79/dev-wmac.c +++ b/arch/mips/ath79/dev-wmac.c -@@ -287,6 +287,16 @@ bool __init ar93xx_wmac_read_mac_address +@@ -296,6 +296,16 @@ bool __init ar93xx_wmac_read_mac_address return ret; } -- 2.25.1