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[PATCH 8/9] ath9k_hw: fix synth delay for half/quarter channels

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The radio needs twice / four times as much time to stabilize for half/quarter
channels.

Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/ar5008_phy.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index 441bb33..fac2c6d 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -627,6 +627,11 @@ static void ar5008_hw_init_bb(struct ath_hw *ah,
 	else
 		synthDelay /= 10;
 
+	if (IS_CHAN_HALF_RATE(chan))
+		synthDelay *= 2;
+	else if (IS_CHAN_QUARTER_RATE(chan))
+		synthDelay *= 4;
+
 	REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
 
 	udelay(synthDelay + BASE_ACTIVATE_DELAY);
-- 
1.7.3.2

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