diff options
| author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2010-04-15 17:38:12 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-04-16 15:32:03 -0400 |
| commit | 42d5bc3faabcc9d7ea1cfe9237d71ef7dce386e3 (patch) | |
| tree | 9fb68b40f36363c3cf982bc3dfc3428f408dec5f /drivers | |
| parent | 783dfca1fceb0140e629d671b67e4be7e8dc7f8d (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 6f7faf08b92..57c59b6ad5e 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1697,11 +1697,16 @@ 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) @@ -1732,7 +1737,7 @@ 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); @@ -2413,15 +2418,24 @@ 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); |