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| author | Felix Fietkau <nbd@openwrt.org> | 2011-04-11 03:26:08 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2011-04-11 03:26:08 +0000 |
| commit | 93da23803be4e498c77f0046e49f7616b6386960 (patch) | |
| tree | 47b9b1a70ba0bce3480c2043faffafcf60cec8e1 | |
| parent | 092de86b0a7b5df2ba958db95960a4dcdd580565 (diff) | |
| download | mtk-20170518-93da23803be4e498c77f0046e49f7616b6386960.zip mtk-20170518-93da23803be4e498c77f0046e49f7616b6386960.tar.gz mtk-20170518-93da23803be4e498c77f0046e49f7616b6386960.tar.bz2 | |
ath5k: disable the unusable 2 GHz mode on the first radio of a dual-band AR5312 device
SVN-Revision: 26587
| -rw-r--r-- | package/mac80211/patches/475-ath5k_fix_ar5312_5ghz_cap.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/package/mac80211/patches/475-ath5k_fix_ar5312_5ghz_cap.patch b/package/mac80211/patches/475-ath5k_fix_ar5312_5ghz_cap.patch new file mode 100644 index 0000000..535c61e --- /dev/null +++ b/package/mac80211/patches/475-ath5k_fix_ar5312_5ghz_cap.patch @@ -0,0 +1,50 @@ +--- a/drivers/net/wireless/ath/ath5k/base.h ++++ b/drivers/net/wireless/ath/ath5k/base.h +@@ -193,12 +193,13 @@ struct ath5k_softc { + dma_addr_t desc_daddr; /* DMA (physical) address */ + size_t desc_len; /* size of TX/RX descriptors */ + +- DECLARE_BITMAP(status, 5); ++ DECLARE_BITMAP(status, 6); + #define ATH_STAT_INVALID 0 /* disable hardware accesses */ + #define ATH_STAT_MRRETRY 1 /* multi-rate retry support */ + #define ATH_STAT_PROMISC 2 + #define ATH_STAT_LEDSOFT 3 /* enable LED gpio status */ + #define ATH_STAT_STARTED 4 /* opened & irqs enabled */ ++#define ATH_STAT_2G_DISABLED 5 /* multiband radio without 2G */ + + unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */ + struct ieee80211_channel *curchan; /* current h/w channel */ +--- a/drivers/net/wireless/ath/ath5k/ahb.c ++++ b/drivers/net/wireless/ath/ath5k/ahb.c +@@ -160,6 +160,16 @@ static int ath_ahb_probe(struct platform + else + reg |= AR5K_AR5312_ENABLE_WLAN1; + __raw_writel(reg, (void __iomem *) AR5K_AR5312_ENABLE); ++ ++ /* ++ * On a dual-band AR5312, the multiband radio is only ++ * used as pass-through. Disable 2 GHz support in the ++ * driver for it ++ */ ++ if (to_platform_device(sc->dev)->id == 0 && ++ (bcfg->config->flags & (BD_WLAN0|BD_WLAN1)) == ++ (BD_WLAN1|BD_WLAN0)) ++ __set_bit(ATH_STAT_2G_DISABLED, sc->status); + } + + ret = ath5k_init_softc(sc, &ath_ahb_bus_ops); +--- a/drivers/net/wireless/ath/ath5k/attach.c ++++ b/drivers/net/wireless/ath/ath5k/attach.c +@@ -313,6 +313,11 @@ int ath5k_hw_init(struct ath5k_softc *sc + goto err; + } + ++ if (test_bit(ATH_STAT_2G_DISABLED, sc->status)) { ++ __clear_bit(AR5K_MODE_11B, ah->ah_capabilities.cap_mode); ++ __clear_bit(AR5K_MODE_11G, ah->ah_capabilities.cap_mode); ++ } ++ + /* Crypto settings */ + common->keymax = (sc->ah->ah_version == AR5K_AR5210 ? + AR5K_KEYTABLE_SIZE_5210 : AR5K_KEYTABLE_SIZE_5211); |