From: ching Huang <ching2048@areca.com.tw>
To: martin.petersen@oracle.com,
James.Bottomley@HansenPartnership.com,
linux-scsi@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [PATCH 1/2] scsi: arcmsr: fixed the wrong cdb payload report to IOP
Date: Fri, 16 Apr 2021 11:44:57 +0800 [thread overview]
Message-ID: <d2c97df3c817595c6faf582839316209022f70da.camel@areca.com.tw> (raw)
From: ching Huang <ching2048@areca.com.tw>
This patch fixed the wrong cdb payload report to IOP.
Signed-off-by: ching Huang <ching2048@areca.com.tw>
---
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 4b79661..930972c 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1923,8 +1923,12 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
if (ccb->arc_cdb_size <= 0x300)
arc_cdb_size = (ccb->arc_cdb_size - 1) >> 6 | 1;
- else
- arc_cdb_size = (((ccb->arc_cdb_size + 0xff) >> 8) + 2) << 1 | 1;
+ else {
+ arc_cdb_size = ((ccb->arc_cdb_size + 0xff) >> 8) + 2;
+ if (arc_cdb_size > 0xF)
+ arc_cdb_size = 0xF;
+ arc_cdb_size = (arc_cdb_size << 1) | 1;
+ }
ccb_post_stamp = (ccb->smid | arc_cdb_size);
writel(0, &pmu->inbound_queueport_high);
writel(ccb_post_stamp, &pmu->inbound_queueport_low);
next reply other threads:[~2021-04-16 3:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 3:44 ching Huang [this message]
2021-05-11 3:25 ` [PATCH 1/2] scsi: arcmsr: fixed the wrong cdb payload report to IOP Martin K. Petersen
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