update kernel to 3.14.43

1 files changed, 108 insertions, 0 deletions

diff --git a/target/mips/mikrotik-rb4xx/patches/3.14.43/0026-various-fixups-for-ath5k-fixing-system-freezes.patch b/target/mips/mikrotik-rb4xx/patches/3.14.43/0026-various-fixups-for-ath5k-fixing-system-freezes.patch
new file mode 100644
index 000000000..4b17700d8
--- /dev/null
+++ b/target/mips/mikrotik-rb4xx/patches/3.14.43/0026-various-fixups-for-ath5k-fixing-system-freezes.patch
@@ -0,0 +1,108 @@
+From 95945fe79069ee6b7ccce2b14fb9f8b93db33918 Mon Sep 17 00:00:00 2001
+From: Phil Sutter <phil@nwl.cc>
+Date: Sun, 15 Jun 2014 18:29:27 +0200
+Subject: [PATCH] various fixups for ath5k, fixing system freezes
+
+---
+ drivers/net/wireless/ath/ath5k/base.c     | 3 +++
+ drivers/net/wireless/ath/ath5k/dma.c      | 9 +++++++++
+ drivers/net/wireless/ath/ath5k/initvals.c | 6 ++++++
+ drivers/net/wireless/ath/ath5k/phy.c      | 4 ++--
+ drivers/net/wireless/ath/ath5k/reset.c    | 2 ++
+ 5 files changed, 22 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
+index ef35da8..4b18434 100644
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -751,6 +751,9 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf,
+ 	bf->skbaddr = dma_map_single(ah->dev, skb->data, skb->len,
+ 			DMA_TO_DEVICE);
+ 
++	if (dma_mapping_error(ah->dev, bf->skbaddr))
++		return -ENOSPC;
++
+ 	ieee80211_get_tx_rates(info->control.vif, (control) ? control->sta : NULL, skb, bf->rates,
+ 			       ARRAY_SIZE(bf->rates));
+ 
+diff --git a/drivers/net/wireless/ath/ath5k/dma.c b/drivers/net/wireless/ath/ath5k/dma.c
+index e6c52f7..72bf600 100644
+--- a/drivers/net/wireless/ath/ath5k/dma.c
++++ b/drivers/net/wireless/ath/ath5k/dma.c
+@@ -869,10 +869,19 @@ ath5k_hw_dma_init(struct ath5k_hw *ah)
+ 	 * guess we can tweak it and see how it goes ;-)
+ 	 */
+ 	if (ah->ah_version != AR5K_AR5210) {
++#if !defined(CONFIG_ATHEROS_AR71XX) && !defined(CONFIG_ATH79)
+ 		AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
+ 			AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
+ 		AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
+ 			AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_128B);
++#else
++		/* WAR for AR71xx PCI bug */
++		AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
++			AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
++		AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
++			AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_4B);
++#endif
++
+ 	}
+ 
+ 	/* Pre-enable interrupts on 5211/5212*/
+diff --git a/drivers/net/wireless/ath/ath5k/initvals.c b/drivers/net/wireless/ath/ath5k/initvals.c
+index ee1c2fa..ba84ab5 100644
+--- a/drivers/net/wireless/ath/ath5k/initvals.c
++++ b/drivers/net/wireless/ath/ath5k/initvals.c
+@@ -62,8 +62,14 @@ static const struct ath5k_ini ar5210_ini[] = {
+ 	{ AR5K_IMR,		0 },
+ 	{ AR5K_IER,		AR5K_IER_DISABLE },
+ 	{ AR5K_BSR,		0, AR5K_INI_READ },
++#if !defined(CONFIG_ATHEROS_AR71XX) && !defined(CONFIG_ATH79)
+ 	{ AR5K_TXCFG,		AR5K_DMASIZE_128B },
+ 	{ AR5K_RXCFG,		AR5K_DMASIZE_128B },
++#else
++	/* WAR for AR71xx PCI bug */
++	{ AR5K_TXCFG,           AR5K_DMASIZE_128B },
++	{ AR5K_RXCFG,           AR5K_DMASIZE_4B },
++#endif
+ 	{ AR5K_CFG,		AR5K_INIT_CFG },
+ 	{ AR5K_TOPS,		8 },
+ 	{ AR5K_RXNOFRM,		8 },
+diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
+index 1a2973b..0fce1c7 100644
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -3709,8 +3709,8 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
+ 			AR5K_REG_MS(AR5K_TUNE_MAX_TXPOWER, AR5K_TPC_CHIRP),
+ 			AR5K_TPC);
+ 	} else {
+-		ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX |
+-			AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
++		ath5k_hw_reg_write(ah, AR5K_TUNE_MAX_TXPOWER,
++			AR5K_PHY_TXPOWER_RATE_MAX);
+ 	}
+ 
+ 	return 0;
+diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
+index a3399c4..66d0ecc 100644
+--- a/drivers/net/wireless/ath/ath5k/reset.c
++++ b/drivers/net/wireless/ath/ath5k/reset.c
+@@ -1154,6 +1154,7 @@ ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
+ 	tsf_lo = 0;
+ 	mode = 0;
+ 
++#if 0
+ 	/*
+ 	 * Sanity check for fast flag
+ 	 * Fast channel change only available
+@@ -1161,6 +1162,7 @@ ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
+ 	 */
+ 	if (fast && (ah->ah_radio != AR5K_RF2413) &&
+ 	(ah->ah_radio != AR5K_RF5413))
++#endif
+ 		fast = false;
+ 
+ 	/* Disable sleep clock operation
+-- 
+1.8.5.3
+