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ath9k_hw: Fix ASPM L1 issue for AR9480 

Because of not clearing Bit 14 of AR_WA, the ASPM L1 is not
enabled when entering into sleep mode. AR9480 does not need
bit 14 to be set.

Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rajkumar Manoharan 2011-10-13 10:49:13 +05:30 committed by John W. Linville
parent 711825a06b
commit eec353c5da
1 changed files with 4 additions and 2 deletions
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6
drivers/net/wireless/ath/ath9k/hw.c
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@ -541,6 +541,9 @@ static int __ath9k_hw_init(struct ath_hw *ah)
return -EIO; return -EIO;
} }
if (AR_SREV_9480(ah))
ah->WARegVal &= ~AR_WA_D3_L1_DISABLE;
ath9k_hw_init_defaults(ah); ath9k_hw_init_defaults(ah);
ath9k_hw_init_config(ah); ath9k_hw_init_config(ah);
@ -1776,8 +1779,7 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
} }
/* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */ /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */
if (!AR_SREV_9480(ah)) REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE);
} }
/* /*