ath9k_hw: fix power state for MCI
Program MCI related power registers only if MCI interrupts are enabled. This could help to reduce power consumptions when WLAN alone is enabled in BT coex chips. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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c9ae6ab4c7
Коммит
153dccd467
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@ -2009,12 +2009,9 @@ static void ath9k_set_power_sleep(struct ath_hw *ah)
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REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
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if (AR_SREV_9462(ah)) {
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REG_WRITE(ah, AR_TIMER_MODE,
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REG_READ(ah, AR_TIMER_MODE) & 0xFFFFFF00);
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REG_WRITE(ah, AR_NDP2_TIMER_MODE,
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REG_READ(ah, AR_NDP2_TIMER_MODE) & 0xFFFFFF00);
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REG_WRITE(ah, AR_SLP32_INC,
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REG_READ(ah, AR_SLP32_INC) & 0xFFF00000);
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REG_CLR_BIT(ah, AR_TIMER_MODE, 0xff);
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REG_CLR_BIT(ah, AR_NDP2_TIMER_MODE, 0xff);
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REG_CLR_BIT(ah, AR_SLP32_INC, 0xfffff);
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/* xxx Required for WLAN only case ? */
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REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0);
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udelay(100);
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@ -2026,7 +2023,7 @@ static void ath9k_set_power_sleep(struct ath_hw *ah)
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*/
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REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN);
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if (AR_SREV_9462(ah))
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if (ath9k_hw_mci_is_enabled(ah))
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udelay(100);
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if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
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@ -2051,7 +2048,6 @@ static void ath9k_set_power_sleep(struct ath_hw *ah)
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static void ath9k_set_power_network_sleep(struct ath_hw *ah)
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{
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struct ath9k_hw_capabilities *pCap = &ah->caps;
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u32 val;
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REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
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@ -2070,19 +2066,16 @@ static void ath9k_set_power_network_sleep(struct ath_hw *ah)
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* SYS_WAKING and SYS_SLEEPING messages which will make
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* BT CPU to busy to process.
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*/
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if (AR_SREV_9462(ah)) {
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val = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_EN) &
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~AR_MCI_INTERRUPT_RX_HW_MSG_MASK;
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REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, val);
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}
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if (ath9k_hw_mci_is_enabled(ah))
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REG_CLR_BIT(ah, AR_MCI_INTERRUPT_RX_MSG_EN,
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AR_MCI_INTERRUPT_RX_HW_MSG_MASK);
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/*
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* Clear the RTC force wake bit to allow the
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* mac to go to sleep.
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*/
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REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
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AR_RTC_FORCE_WAKE_EN);
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REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN);
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if (AR_SREV_9462(ah))
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if (ath9k_hw_mci_is_enabled(ah))
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udelay(30);
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}
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