To enable fast clock support on 5GHz for AR9280 v2.0+ chips,
mac version alone is not sufficient. It also depends on eeprom
values.
Cc: stable@xxxxxxxxxx
Cc: Adrian Chadd <adrian@xxxxxxxxxxx>
Cc: Felix Fietkau <nbd@xxxxxxxxxxx>
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/hw.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 284d2a4..d8d776f9 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2184,7 +2184,10 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
} else {
pCap->tx_desc_len = sizeof(struct ath_desc);
- if (AR_SREV_9280_20(ah))
+ if (AR_SREV_9280_20(ah) &&
+ ((ah->eep_ops->get_eeprom(ah, EEP_MINOR_REV) <=
+ AR5416_EEP_MINOR_VER_16) ||
+ ah->eep_ops->get_eeprom(ah, EEP_FSTCLK_5G)))
pCap->hw_caps |= ATH9K_HW_CAP_FASTCLOCK;
}
--
1.7.6.1
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