From: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Date: Wed, 10 May 2017 16:39:43 +0000 (-0700)
Subject: scsi: aacraid: Using single reset mask for IOP reset
X-Git-Tag: v4.13-rc1~136^2~267
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6b24d425881792b16ccf2189b43d57b4aff2a4e6;p=platform%2Fkernel%2Flinux-exynos.git

scsi: aacraid: Using single reset mask for IOP reset

The driver can now trigger IOP reset with a single reset mask. Removed
code that retrieves a reset_mask from the firmware.

Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Reviewed-by: David Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index cb7d699..c74e1aa 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -2378,6 +2378,7 @@ struct revision
 #define SOFT_RESET_TIME			60
 
 
+
 struct aac_common
 {
 	/*
@@ -2488,7 +2489,9 @@ struct aac_hba_info {
 #define IOP_RESET_FW_FIB_DUMP		0x00000034
 #define IOP_RESET			0x00001000
 #define IOP_RESET_ALWAYS		0x00001001
-#define RE_INIT_ADAPTER			0x000000ee
+#define RE_INIT_ADAPTER		0x000000ee
+
+#define IOP_SRC_RESET_MASK		0x00000100
 
 /*
  *	Adapter Status Register
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index 7b0410e..f278a21 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -704,22 +704,10 @@ static void aac_send_iop_reset(struct aac_dev *dev, int bled)
 				    0, 0, 0, 0, 0, 0, &var,
 				    &reset_mask, NULL, NULL, NULL);
 
-	if ((bled || var != 0x00000001) && !dev->doorbell_mask)
-		bled = -EINVAL;
-	else if (dev->doorbell_mask) {
-		reset_mask = dev->doorbell_mask;
-		bled = 0;
-		var = 0x00000001;
-	}
-
 	aac_set_intx_mode(dev);
 
-	if (!bled && (dev->supplement_adapter_info.supported_options2 &
-	    AAC_OPTION_DOORBELL_RESET)) {
-		src_writel(dev, MUnit.IDR, reset_mask);
-	} else {
-		src_writel(dev, MUnit.IDR, 0x100);
-	}
+	src_writel(dev, MUnit.IDR, IOP_SRC_RESET_MASK);
+
 	msleep(30000);
 }