From 04575f21d9c8dc3fbf8ad7d7ce3fc8261377def1 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Sat, 28 Dec 2013 09:47:13 +0530 Subject: [PATCH] ath9k: Fix AR9100 chip power-on AR9100 requires a larger delay after waking up the RTC. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/hw.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 3f9cac9231f3..e0e1bdea4cd8 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2012,7 +2012,11 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah) REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - udelay(50); + + if (AR_SREV_9100(ah)) + udelay(10000); + else + udelay(50); for (i = POWER_UP_TIME / 50; i > 0; i--) { val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M; -- 2.20.1