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ath9k: Fix rd_ext EEPROM capability for AR9285

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AR9285 chipsets have a different EEPROM layout,
handle this appropriately when populating the rd_ext
capability.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith 2009-02-12 10:06:43 +05:30 committed by John W. Linville
parent e421c7b35c
commit fec0de1110
2 changed files with 14 additions and 1 deletions
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12
drivers/net/wireless/ath9k/eeprom.h
View file

@ -78,6 +78,18 @@
#define INCREASE_MAXPOW_BY_TWO_CHAIN 6 /* 10*log10(2)*2 */
#define INCREASE_MAXPOW_BY_THREE_CHAIN 10 /* 10*log10(3)*2 */
/*
* For AR9285 and later chipsets, the following bits are not being programmed
* in EEPROM and so need to be enabled always.
*
* Bit 0: en_fcc_mid
* Bit 1: en_jap_mid
* Bit 2: en_fcc_dfs_ht40
* Bit 3: en_jap_ht40
* Bit 4: en_jap_dfs_ht40
*/
#define AR9285_RDEXT_DEFAULT 0x1F
#define AR_EEPROM_MAC(i) (0x1d+(i))
#define ATH9K_POW_SM(_r, _s) (((_r) & 0x3f) << (_s))
#define FREQ2FBIN(x, y) ((y) ? ((x) - 2300) : (((x) - 4800) / 5))

3
drivers/net/wireless/ath9k/hw.c
View file

@ -3128,10 +3128,11 @@ bool ath9k_hw_fill_cap_info(struct ath_hw *ah)
u16 capField = 0, eeval;
eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
ah->regulatory.current_rd = eeval;
eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_1);
if (AR_SREV_9285_10_OR_LATER(ah))
eeval |= AR9285_RDEXT_DEFAULT;
ah->regulatory.current_rd_ext = eeval;
capField = ah->eep_ops->get_eeprom(ah, EEP_OP_CAP);