From: Joe Carnuccio <joe.carnuccio@qlogic.com>
Date: Thu, 25 Sep 2014 09:16:42 +0000 (-0400)
Subject: qla2xxx: ISPFX00 avoid writing semaphore register in request_irqs().
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4bb2efc45ffb7e5f249e97f86a387f6f3a7daae3;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

qla2xxx: ISPFX00 avoid writing semaphore register in request_irqs().

Semaphore register does not exist for ISPFx00.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index a0992bfab7bf..223c1a89af5c 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3098,10 +3098,11 @@ skip_msi:
 	}
 
 clear_risc_ints:
+	if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
+		goto fail;
 
 	spin_lock_irq(&ha->hardware_lock);
-	if (!IS_FWI2_CAPABLE(ha))
-		WRT_REG_WORD(&reg->isp.semaphore, 0);
+	WRT_REG_WORD(&reg->isp.semaphore, 0);
 	spin_unlock_irq(&ha->hardware_lock);
 
 fail: