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ath9k_hw: Disable INTR_HOST1_FATAL to avoid interrupt strom with ar9430 

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2011-04-19 19:29:19 +05:30 committed by John W. Linville
parent ecb1d385ad
commit 79d1d2b8a3
2 changed files with 11 additions and 5 deletions
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6
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -795,12 +795,16 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
enum nl80211_iftype opmode)
{
u32 sync_default = AR_INTR_SYNC_DEFAULT;
u32 imr_reg = AR_IMR_TXERR |
AR_IMR_TXURN |
AR_IMR_RXERR |
AR_IMR_RXORN |
AR_IMR_BCNMISC;
if (AR_SREV_9340(ah))
sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;
if (AR_SREV_9300_20_OR_LATER(ah)) {
imr_reg |= AR_IMR_RXOK_HP;
if (ah->config.rx_intr_mitigation)
@ -831,7 +835,7 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah,
if (!AR_SREV_9100(ah)) {
REG_WRITE(ah, AR_INTR_SYNC_CAUSE, 0xFFFFFFFF);
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, AR_INTR_SYNC_DEFAULT);
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, sync_default);
REG_WRITE(ah, AR_INTR_SYNC_MASK, 0);
}

10
drivers/net/wireless/ath/ath9k/mac.c
View File

@ -793,10 +793,14 @@ EXPORT_SYMBOL(ath9k_hw_disable_interrupts);
void ath9k_hw_enable_interrupts(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
u32 sync_default = AR_INTR_SYNC_DEFAULT;
if (!(ah->imask & ATH9K_INT_GLOBAL))
return;
if (AR_SREV_9340(ah))
sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;
ath_dbg(common, ATH_DBG_INTERRUPT, "enable IER\n");
REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
if (!AR_SREV_9100(ah)) {
@ -805,10 +809,8 @@ void ath9k_hw_enable_interrupts(struct ath_hw *ah)
REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
AR_INTR_SYNC_DEFAULT);
REG_WRITE(ah, AR_INTR_SYNC_MASK,
AR_INTR_SYNC_DEFAULT);
REG_WRITE(ah, AR_INTR_SYNC_ENABLE, sync_default);
REG_WRITE(ah, AR_INTR_SYNC_MASK, sync_default);
}
ath_dbg(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));