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[PATCH 5/5] ath9k_hw: add an extra delay when reseting AR_RTC_RESET

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Without this we could start trying to work with the device without
it being fully functional yet and loose some packets upon resume.

Cc: Aeolus Yang <aeolus.yang@xxxxxxxxxxx>
Cc: Madhan Jaganathan <madhan.jaganathan@xxxxxxxxxxx>
signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/hw.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index e9764dc..1ed1440 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1070,6 +1070,7 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
 		REG_WRITE(ah, AR_RC, AR_RC_AHB);
 
 	REG_WRITE(ah, AR_RTC_RESET, 0);
+	udelay(2);
 
 	REGWRITE_BUFFER_FLUSH(ah);
 	DISABLE_REGWRITE_BUFFER(ah);
-- 
1.6.3.3

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