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ath9k_hw: fix host interface reset on AR934x

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If a local bus timeout has been detected, the host interface needs to be
reset to clear the errors. AR934x uses a different synchronous interrupt
bit to indicate this, so the check needs to be fixed.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2013-05-23 12:20:55 +02:00 committed by John W. Linville
parent 23dd9b2a43
commit a37a99102e
2 changed files with 9 additions and 3 deletions
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10
drivers/net/wireless/ath/ath9k/hw.c
View file

@ -1306,9 +1306,13 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
AR_RTC_RC_COLD_RESET | AR_RTC_RC_WARM_RESET;
} else {
tmpReg = REG_READ(ah, AR_INTR_SYNC_CAUSE);
if (tmpReg &
(AR_INTR_SYNC_LOCAL_TIMEOUT |
AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
if (AR_SREV_9340(ah))
tmpReg &= AR9340_INTR_SYNC_LOCAL_TIMEOUT;
else
tmpReg &= AR_INTR_SYNC_LOCAL_TIMEOUT |
AR_INTR_SYNC_RADM_CPL_TIMEOUT;
if (tmpReg) {
u32 val;
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);

2
drivers/net/wireless/ath/ath9k/reg.h
View file

@ -1007,6 +1007,8 @@ enum {
AR_INTR_SYNC_LOCAL_TIMEOUT |
AR_INTR_SYNC_MAC_SLEEP_ACCESS),
AR9340_INTR_SYNC_LOCAL_TIMEOUT = 0x00000010,
AR_INTR_SYNC_SPURIOUS = 0xFFFFFFFF,
};