linux-kernel - [PATCH 1/2] arcmsr: fixed getting wrong configuration data

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Message-ID: <1448352655.12861.49.camel@Centos6.3-64>
Date:	Tue, 24 Nov 2015 16:10:55 +0800
From:	Ching Huang <ching2048@...ca.com.tw>
To:	hch@...radead.org, thenzl@...hat.com, jbottomley@...allels.com,
	dan.carpenter@...cle.com, agordeev@...hat.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	hch@....de
Subject: [PATCH 1/2] arcmsr: fixed getting wrong configuration data

From: Ching Huang <ching2048@...ca.com.tw>

Fixed getting wrong configuration data of adapter type B and type D.

Signed-of-by: Ching Huang <ching2048@...ca.com.tw>

---

diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
--- a/drivers/scsi/arcmsr/arcmsr.h	2015-11-23 16:25:48.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr.h	2015-11-24 11:36:20.000000000 +0800
@@ -52,7 +52,7 @@ struct device_attribute;
 	#define ARCMSR_MAX_FREECCB_NUM	320
 #define ARCMSR_MAX_OUTSTANDING_CMD	255
 #endif
-#define ARCMSR_DRIVER_VERSION		"v1.30.00.04-20140919"
+#define ARCMSR_DRIVER_VERSION		"v1.30.00.21-20151019"
 #define ARCMSR_SCSI_INITIATOR_ID						255
 #define ARCMSR_MAX_XFER_SECTORS							512
 #define ARCMSR_MAX_XFER_SECTORS_B						4096
diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
--- a/drivers/scsi/arcmsr/arcmsr_hba.c	2015-11-23 16:25:22.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c	2015-11-24 11:35:26.000000000 +0800
@@ -2694,15 +2694,15 @@ static bool arcmsr_hbaB_get_config(struc
 		acb->firm_model,
 		acb->firm_version);
 
-	acb->signature = readl(&reg->message_rwbuffer[1]);
+	acb->signature = readl(&reg->message_rwbuffer[0]);
 	/*firm_signature,1,00-03*/
-	acb->firm_request_len = readl(&reg->message_rwbuffer[2]);
+	acb->firm_request_len = readl(&reg->message_rwbuffer[1]);
 	/*firm_request_len,1,04-07*/
-	acb->firm_numbers_queue = readl(&reg->message_rwbuffer[3]);
+	acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]);
 	/*firm_numbers_queue,2,08-11*/
-	acb->firm_sdram_size = readl(&reg->message_rwbuffer[4]);
+	acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]);
 	/*firm_sdram_size,3,12-15*/
-	acb->firm_hd_channels = readl(&reg->message_rwbuffer[5]);
+	acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]);
 	/*firm_ide_channels,4,16-19*/
 	acb->firm_cfg_version = readl(&reg->message_rwbuffer[25]);  /*firm_cfg_version,25,100-103*/
 	/*firm_ide_channels,4,16-19*/
@@ -2880,15 +2880,15 @@ static bool arcmsr_hbaD_get_config(struc
 		iop_device_map++;
 		count--;
 	}
-	acb->signature = readl(&reg->msgcode_rwbuffer[1]);
+	acb->signature = readl(&reg->msgcode_rwbuffer[0]);
 	/*firm_signature,1,00-03*/
-	acb->firm_request_len = readl(&reg->msgcode_rwbuffer[2]);
+	acb->firm_request_len = readl(&reg->msgcode_rwbuffer[1]);
 	/*firm_request_len,1,04-07*/
-	acb->firm_numbers_queue = readl(&reg->msgcode_rwbuffer[3]);
+	acb->firm_numbers_queue = readl(&reg->msgcode_rwbuffer[2]);
 	/*firm_numbers_queue,2,08-11*/
-	acb->firm_sdram_size = readl(&reg->msgcode_rwbuffer[4]);
+	acb->firm_sdram_size = readl(&reg->msgcode_rwbuffer[3]);
 	/*firm_sdram_size,3,12-15*/
-	acb->firm_hd_channels = readl(&reg->msgcode_rwbuffer[5]);
+	acb->firm_hd_channels = readl(&reg->msgcode_rwbuffer[4]);
 	/*firm_hd_channels,4,16-19*/
 	acb->firm_cfg_version = readl(&reg->msgcode_rwbuffer[25]);
 	pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",


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