From 146aa1786d4978795cab5347d810e00236dea1c3 Mon Sep 17 00:00:00 2001
From: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Date: Thu, 16 Feb 2017 12:51:20 -0800
Subject: [PATCH] scsi: aacraid: Skip IOP reset on controller panic(SMART
Family)
When the SMART family of controller panic (KERNEL_PANIC) , they do not
honor IOP resets. So better to skip it and directly perform a IWBR reset.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: David Carroll <David.Carroll@microsemi.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
drivers/scsi/aacraid/src.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index b23c818adbf68e..9b11e1a6cc7591 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -714,6 +714,12 @@ static int aac_src_restart_adapter(struct aac_dev *dev, int bled, u8 reset_type)
pr_err("%s%d: adapter kernel panic'd %x.\n",
dev->name, dev->id, bled);
+ /*
+ * When there is a BlinkLED, IOP_RESET has not effect
+ */
+ if (bled >= 2 && dev->sa_firmware && reset_type & HW_IOP_RESET)
+ reset_type &= ~HW_IOP_RESET;
+
dev->a_ops.adapter_enable_int = aac_src_disable_interrupt;
switch (reset_type) {
--
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