AR9003 does not have a reset control for AHB.
Signed-off-by: Luis R. Rodriguez <lrodriguez@xxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/hw.c | 24 +++++++++++++++++++-----
1 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index d924cbc..0e85a24 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1698,11 +1698,16 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
if (tmpReg &
(AR_INTR_SYNC_LOCAL_TIMEOUT |
AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
+ u32 val;
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
- REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
- } else {
+
+ val = AR_RC_HOSTIF;
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ val |= AR_RC_AHB;
+ REG_WRITE(ah, AR_RC, val);
+
+ } else if (!AR_SREV_9300_20_OR_LATER(ah))
REG_WRITE(ah, AR_RC, AR_RC_AHB);
- }
rst_flags = AR_RTC_RC_MAC_WARM;
if (type == ATH9K_RESET_COLD)
@@ -1733,7 +1738,7 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
REG_WRITE(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN |
AR_RTC_FORCE_WAKE_ON_INT);
- if (!AR_SREV_9100(ah))
+ if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
REG_WRITE(ah, AR_RC, AR_RC_AHB);
REG_WRITE(ah, AR_RTC_RESET, 0);
@@ -2414,15 +2419,24 @@ EXPORT_SYMBOL(ath9k_hw_keyisvalid);
/* Power Management (Chipset) */
/******************************/
+/*
+ * Notify Power Mgt is disabled in self-generated frames.
+ * If requested, force chip to sleep.
+ */
static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip)
{
REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV);
if (setChip) {
+ /*
+ * Clear the RTC force wake bit to allow the
+ * mac to go to sleep.
+ */
REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE,
AR_RTC_FORCE_WAKE_EN);
- if (!AR_SREV_9100(ah))
+ if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah))
REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF);
+ /* Shutdown chip. Active low */
if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah))
REG_CLR_BIT(ah, (AR_RTC_RESET),
AR_RTC_RESET_EN);
--
1.6.3.3
--
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