From: Chad Dupuis <chad.dupuis@qlogic.com>
Date: Fri, 3 Aug 2012 02:46:01 +0000 (+0530)
Subject: qla2xxx: Fix for legacy interrupts for ISP83xx.
X-Git-Tag: v2.6.39-400.9.0~400
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=afc7f762b934cccc57fbaa041ce7fa26c7a41b45;p=users%2Fjedix%2Flinux-maple.git

qla2xxx: Fix for legacy interrupts for ISP83xx.

JIRA Key: V2632FC-253

Acked-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Acked-by: Chad Dupuis <chad.dupuis.qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
---

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 59460cc0bde7..06a4791c90c7 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2524,6 +2524,8 @@ 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)))
+			ndelay(3500);
 	}
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);