From: Krishna Gudipati <kgudipat@xxxxxxxxxxx>
Change details:
- Made changes to process mbox and error interrupts only if interrupts are
enabled, when running in INTx mode.
Signed-off-by: Krishna Gudipati <kgudipat@xxxxxxxxxxx>
---
drivers/scsi/bfa/bfa_core.c | 9 ++++++++-
drivers/scsi/bfa/bfa_modules.h | 1 +
2 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index a4129c9..b7c326f 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -775,7 +775,8 @@ bfa_intx(struct bfa_s *bfa)
if (!intr)
return BFA_TRUE;
- bfa_msix_lpu_err(bfa, intr);
+ if (bfa->intr_enabled)
+ bfa_msix_lpu_err(bfa, intr);
return BFA_TRUE;
}
@@ -803,11 +804,17 @@ bfa_isr_enable(struct bfa_s *bfa)
writel(~umsk, bfa->iocfc.bfa_regs.intr_mask);
bfa->iocfc.intr_mask = ~umsk;
bfa_isr_mode_set(bfa, bfa->msix.nvecs != 0);
+
+ /*
+ * Set the flag indicating successful enabling of interrupts
+ */
+ bfa->intr_enabled = BFA_TRUE;
}
void
bfa_isr_disable(struct bfa_s *bfa)
{
+ bfa->intr_enabled = BFA_FALSE;
bfa_isr_mode_set(bfa, BFA_FALSE);
writel(-1L, bfa->iocfc.bfa_regs.intr_mask);
bfa_msix_uninstall(bfa);
diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h
index 2d36e48..189fff7 100644
--- a/drivers/scsi/bfa/bfa_modules.h
+++ b/drivers/scsi/bfa/bfa_modules.h
@@ -121,6 +121,7 @@ struct bfa_s {
bfa_boolean_t fcs; /* FCS is attached to BFA */
struct bfa_msix_s msix;
int bfa_aen_seq;
+ bfa_boolean_t intr_enabled; /* Status of interrupts */
};
extern bfa_boolean_t bfa_auto_recover;
--
1.7.3.rc1
--
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