Merge on the mainline qla2xxx git revision 0f19bc681ed0849a2b95778460a0a8132e3700e2:

Fix MSIX lockdep complain.



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3577 d57e44dd-8a1f-0410-8b47-8ef2f437770f

qla2x00t/qla2x00-target/README

@@ -24,7 +24,8 @@ following 2.6.26.x commits have been applied to it (upstream ID):
 5f3a9a207f1fccde476dd31b4c63ead2967d934f,
 85821c906cf3563a00a3d98fa380a2581a7a5ff1,
 3c01b4f9fbb43fc911acd33ea7a14ea7a4f9866b,
-8eca3f39c4b11320787f7b216f63214aee8415a9.
+8eca3f39c4b11320787f7b216f63214aee8415a9,
+0f19bc681ed0849a2b95778460a0a8132e3700e2.
 
 See also "ToDo" file for list of known issues and unimplemented
 features.

qla2x00t/qla_isr.c

@@ -1963,16 +1963,17 @@ qla24xx_msix_rsp_q(int irq, void *dev_id)
 {
 	scsi_qla_host_t	*ha;
 	struct device_reg_24xx __iomem *reg;
+	unsigned long flags;
 
 	ha = dev_id;
 	reg = &ha->iobase->isp24;
 
-	spin_lock_irq(&ha->hardware_lock);
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 
 	qla24xx_process_response_queue(ha);
 	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
 
-	spin_unlock_irq(&ha->hardware_lock);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return IRQ_HANDLED;
 }
@@ -1986,12 +1987,13 @@ qla24xx_msix_default(int irq, void *dev_id)
 	uint32_t	stat;
 	uint32_t	hccr;
 	uint16_t	mb[4];
+	unsigned long	flags;
 
 	ha = dev_id;
 	reg = &ha->iobase->isp24;
 	status = 0;
 
-	spin_lock_irq(&ha->hardware_lock);
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 	do {
 		stat = RD_REG_DWORD(&reg->host_status);
 		if (stat & HSRX_RISC_PAUSED) {
@@ -2053,7 +2055,7 @@ qla24xx_msix_default(int irq, void *dev_id)
 		}
 		WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
 	} while (0);
-	spin_unlock_irq(&ha->hardware_lock);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {