linux-kernel - [PATCH 1/3] scsi: arcmsr: Add driver parameter cmd_timeout, default value is ARCMSR_DEFAULT

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Date:   Mon, 07 May 2018 14:53:39 +0800
From:   Ching Huang <ching2048@...ca.com.tw>
To:     martin.petersen@...cle.com, James.Bottomley@...senPartnership.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     dan.carpenter@...cle.com, hch@...radead.org,
        colin.king@...onical.com
Subject: [PATCH 1/3] scsi: arcmsr: Add driver parameter cmd_timeout,
 default value is ARCMSR_DEFAULT_TIMEOUT

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

Add driver parameter cmd_timeout, default value is ARCMSR_DEFAULT_TIMEOUT

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

diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
index 2e51ccc..62eeef5 100755
--- a/drivers/scsi/arcmsr/arcmsr.h
+++ b/drivers/scsi/arcmsr/arcmsr.h
@@ -82,6 +82,7 @@ struct device_attribute;
 #endif
 #define	ARCMSR_HOURS			(1000 * 60 * 60 * 4)
 #define	ARCMSR_MINUTES			(1000 * 60 * 60)
+#define ARCMSR_DEFAULT_TIMEOUT		90
 /*
 **********************************************************************************
 **
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 732b5d9..f6ddaec 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -95,6 +95,10 @@ static int set_date_time = 0;
 module_param(set_date_time, int, S_IRUGO);
 MODULE_PARM_DESC(set_date_time, " send date, time to iop(0 ~ 1), set_date_time=1(enable), default(=0) is disable");
 
+static int cmd_timeout = ARCMSR_DEFAULT_TIMEOUT;
+module_param(cmd_timeout, int, S_IRUGO);
+MODULE_PARM_DESC(cmd_timeout, " scsi cmd timeout(0 ~ 120 sec.), default is 90");
+
 #define	ARCMSR_SLEEPTIME	10
 #define	ARCMSR_RETRYCOUNT	12