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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@atheros.com>
Cc: Madhan Jaganathan <madhan.jaganathan@atheros.com>
signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2010-06-21 18:38:51 -04:00 committed by John W. Linville
parent d5c4d1930c
commit ee031112d9
1 changed files with 1 additions and 0 deletions
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drivers/net/wireless/ath/ath9k/hw.c
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@ -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);