mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 20:55:30 +02:00
d39338f33f
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27688 3c298f89-4303-0410-b956-a3cf2f4a3e73
52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/hw.c
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+++ b/drivers/net/wireless/ath/ath9k/hw.c
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@@ -2007,12 +2007,22 @@ EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_ti
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/* HW Capabilities */
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/*******************/
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+static u8 fixup_chainmask(u8 chip_chainmask, u8 eeprom_chainmask)
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+{
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+ eeprom_chainmask &= chip_chainmask;
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+ if (eeprom_chainmask)
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+ return eeprom_chainmask;
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+ else
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+ return chip_chainmask;
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+}
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+
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int ath9k_hw_fill_cap_info(struct ath_hw *ah)
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{
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struct ath9k_hw_capabilities *pCap = &ah->caps;
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struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
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struct ath_common *common = ath9k_hw_common(ah);
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struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
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+ unsigned int chip_chainmask;
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u16 eeval;
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u8 ant_div_ctl1, tx_chainmask, rx_chainmask;
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@@ -2049,6 +2059,15 @@ int ath9k_hw_fill_cap_info(struct ath_hw
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if (eeval & AR5416_OPFLAGS_11G)
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pCap->hw_caps |= ATH9K_HW_CAP_2GHZ;
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+ if (AR_SREV_9485(ah) || AR_SREV_9285(ah) || AR_SREV_9330(ah))
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+ chip_chainmask = 1;
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+ else if (!AR_SREV_9280_20_OR_LATER(ah))
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+ chip_chainmask = 7;
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+ else if (!AR_SREV_9300_20_OR_LATER(ah) || AR_SREV_9340(ah))
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+ chip_chainmask = 3;
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+ else
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+ chip_chainmask = 7;
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+
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pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
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/*
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* For AR9271 we will temporarilly uses the rx chainmax as read from
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@@ -2065,6 +2084,9 @@ int ath9k_hw_fill_cap_info(struct ath_hw
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/* Use rx_chainmask from EEPROM. */
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pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
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+ pCap->tx_chainmask = fixup_chainmask(chip_chainmask, pCap->tx_chainmask);
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+ pCap->rx_chainmask = fixup_chainmask(chip_chainmask, pCap->rx_chainmask);
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+
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ah->misc_mode |= AR_PCU_MIC_NEW_LOC_ENA;
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/* enable key search for every frame in an aggregate */
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