From: Giridhar Malavali <giridhar.malavali@qlogic.com>
Date: Wed, 22 Aug 2012 18:21:30 +0000 (-0400)
Subject: [SCSI] qla2xxx: Fix for legacy interrupts for ISP83xx.
X-Git-Tag: upstream/snapshot3+hdmi~6556^2^2~80
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb860bbd6b4b12cb56640fefceeaffb526eb7ac5;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

[SCSI] qla2xxx: Fix for legacy interrupts for ISP83xx.

Signed-off-by: Giridhar Malaval <giridhar.malavali@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 9a2e1fa..f01be76 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2556,6 +2556,8 @@ qla24xx_intr_handler(int irq, void *dev_id)
 		}
 		WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
 		RD_REG_DWORD_RELAXED(&reg->hccr);
+		if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
+			ndelay(3500);
 	}
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);