From: Steffen Maier <maier@linux.ibm.com>
Date: Thu, 8 Nov 2018 14:44:41 +0000 (+0100)
Subject: scsi: zfcp: update width in comment for ZFCP_COMMON_FLAGS mask
X-Git-Tag: v5.0-rc1~112^2~175
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=e0c1da39d7bdfd06474f7aba5990304a33bbe3be;p=users%2Fwilly%2Flinux.git

scsi: zfcp: update width in comment for ZFCP_COMMON_FLAGS mask

v2.6.10 history commit 4062e12b2ba2 ("[PATCH] s390: zfcp act enhancements")
extended this mask by one nibble with the introduction of
ZFCP_STATUS_COMMON_ACCESS_DENIED == 0x00800000 for ACT (access control
table).

Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 87a1fef5568e..13bfc13eb42d 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -49,8 +49,8 @@
 /*************** ADAPTER/PORT/UNIT AND FSF_REQ STATUS FLAGS ******************/
 
 /*
- * Note, the leftmost status byte is common among adapter, port
- * and unit
+ * Note, the leftmost 12 status bits (3 nibbles) are common among adapter, port
+ * and unit. This is a mask for bitwise 'and' with status values.
  */
 #define ZFCP_COMMON_FLAGS			0xfff00000