Commit 9aec0249 authored by Krishna Gudipati's avatar Krishna Gudipati Committed by James Bottomley
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[SCSI] bfa: Fix to process mbox interrupts only if interrupts are enabled in INTx mode. 



- Made changes to process mbox and error interrupts only if interrupts are
  enabled, when running in INTx mode.

Signed-off-by: default avatarKrishna Gudipati <kgudipat@brocade.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 881c1b3c

drivers/scsi/bfa/bfa_core.c

+8 −1
Original line number Diff line number Diff line
@@ -775,6 +775,7 @@ bfa_intx(struct bfa_s *bfa) 
	if (!intr)

		return BFA_TRUE;



	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);

drivers/scsi/bfa/bfa_modules.h

+1 −0
Original line number Diff line number Diff line
@@ -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;