ath9k_hw: AR9003 does not have AR_RC_AHB skip its setting
AR9003 does not have a reset control for AHB.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 6f7faf0..57c59b6 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1697,11 +1697,16 @@
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)
@@ -1732,7 +1737,7 @@
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);
@@ -2413,15 +2418,24 @@
/* 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);