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[PATCH 1/5] ath5k: disable 5 GHz support if a 2.4 GHz radio is detected

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On a dual-radio dual-band AR5312 device, the calibration data is shared
between the 5 GHz and the 2.4 GHz radio/MAC.

Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath5k/caps.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath5k/caps.c b/drivers/net/wireless/ath/ath5k/caps.c
index f77e8a7..7dd88e1 100644
--- a/drivers/net/wireless/ath/ath5k/caps.c
+++ b/drivers/net/wireless/ath/ath5k/caps.c
@@ -94,6 +94,9 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
 		}
 	}
 
+	if ((ah->ah_radio_5ghz_revision & 0xf0) == AR5K_SREV_RAD_2112)
+		__clear_bit(AR5K_MODE_11A, caps->cap_mode);
+
 	/* Set number of supported TX queues */
 	if (ah->ah_version == AR5K_AR5210)
 		caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES_NOQCU;
-- 
1.7.3.2

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