ath9k_hw: add an extra delay when reseting AR_RTC_RESET
authorLuis R. Rodriguez <lrodriguez@atheros.com>
Mon, 21 Jun 2010 22:38:51 +0000 (18:38 -0400)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 23 Jun 2010 19:14:04 +0000 (15:14 -0400)
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>
drivers/net/wireless/ath/ath9k/hw.c

index e9764dc..1ed1440 100644 (file)
@@ -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);