From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch

(limited to 'package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch')

diff --git a/package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch b/package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch
new file mode 100644
index 0000000..21516ff
--- /dev/null
+++ b/package/kernel/mac80211/patches/201-ath5k-WAR-for-AR71xx-PCI-bug.patch
@@ -0,0 +1,38 @@
+--- 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 },
+--- a/drivers/net/wireless/ath/ath5k/dma.c
++++ b/drivers/net/wireless/ath/ath5k/dma.c
+@@ -869,10 +869,18 @@ 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*/
-- 
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