Author: adrian
Date: Wed Apr 4 22:51:50 2012
New Revision: 233900
URL: http://svn.freebsd.org/changeset/base/233900
Log:
Track and optionally log the actual sync interrupt cause.
These are involved in tracking host interface issues (ie, PCI/PCIe/AHB
interface.)
Modified:
head/sys/dev/ath/ath_hal/ar5416/ar5416_interrupts.c
Modified: head/sys/dev/ath/ath_hal/ar5416/ar5416_interrupts.c
==============================================================================
--- head/sys/dev/ath/ath_hal/ar5416/ar5416_interrupts.c Wed Apr 4 22:40:38
2012 (r233899)
+++ head/sys/dev/ath/ath_hal/ar5416/ar5416_interrupts.c Wed Apr 4 22:51:50
2012 (r233900)
@@ -67,7 +67,7 @@ ar5416IsInterruptPending(struct ath_hal
HAL_BOOL
ar5416GetPendingInterrupts(struct ath_hal *ah, HAL_INT *masked)
{
- uint32_t isr, isr0, isr1, sync_cause = 0;
+ uint32_t isr, isr0, isr1, sync_cause = 0, o_sync_cause = 0;
HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
#ifdef AH_INTERRUPT_DEBUGGING
@@ -89,7 +89,7 @@ ar5416GetPendingInterrupts(struct ath_ha
isr = OS_REG_READ(ah, AR_ISR);
else
isr = 0;
- sync_cause = OS_REG_READ(ah, AR_INTR_SYNC_CAUSE);
+ o_sync_cause = sync_cause = OS_REG_READ(ah, AR_INTR_SYNC_CAUSE);
sync_cause &= AR_INTR_SYNC_DEFAULT;
*masked = 0;
@@ -221,6 +221,9 @@ ar5416GetPendingInterrupts(struct ath_ha
return AH_TRUE;
if (sync_cause != 0) {
+ HALDEBUG(ah, HAL_DEBUG_INTERRUPT, "%s: sync_cause=0x%x\n",
+ __func__,
+ o_sync_cause);
if (sync_cause & (AR_INTR_SYNC_HOST1_FATAL |
AR_INTR_SYNC_HOST1_PERR)) {
*masked |= HAL_INT_FATAL;
}
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