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authorWaldemar Brodkorb <wbx@openadk.org>2014-06-23 16:17:36 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2014-06-23 16:18:31 +0200
commit9af8ee2c9ad990b7dc12ceb33171213dc1aa5106 (patch)
treefebc57161e53819cce58db0bd7633b9f608e297c /target/mips/mikrotik-rb4xx/patches/3.14.8/0026-various-fixups-for-ath5k-fixing-system-freezes.patch
parentef62e6ef5da899aeae714816978938d10fa78a91 (diff)
bump kernel versions
Diffstat (limited to 'target/mips/mikrotik-rb4xx/patches/3.14.8/0026-various-fixups-for-ath5k-fixing-system-freezes.patch')
-rw-r--r--target/mips/mikrotik-rb4xx/patches/3.14.8/0026-various-fixups-for-ath5k-fixing-system-freezes.patch108
1 files changed, 108 insertions, 0 deletions
diff --git a/target/mips/mikrotik-rb4xx/patches/3.14.8/0026-various-fixups-for-ath5k-fixing-system-freezes.patch b/target/mips/mikrotik-rb4xx/patches/3.14.8/0026-various-fixups-for-ath5k-fixing-system-freezes.patch
new file mode 100644
index 000000000..4b17700d8
--- /dev/null
+++ b/target/mips/mikrotik-rb4xx/patches/3.14.8/0026-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
+