Merge branch 'for-v3.11' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping

[~andy/linux] / drivers / s390 / scsi / zfcp_dbf.c

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index e1a8cc2526e79fa93e6c1b77f01e4321fc573f49..132a905b6bdb76e5012399eda5df32e04bbefa81 100644 (file)
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -3,7 +3,7 @@
  *
  * Debug traces for zfcp.
  *
- * Copyright IBM Corp. 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
  */
 
 #define KMSG_COMPONENT "zfcp"
@@ -23,6 +23,13 @@ module_param(dbfsize, uint, 0400);
 MODULE_PARM_DESC(dbfsize,
                 "number of pages for each debug feature area (default 4)");
 
+static u32 dbflevel = 3;
+
+module_param(dbflevel, uint, 0400);
+MODULE_PARM_DESC(dbflevel,
+                "log level for each debug feature area "
+                "(default 3, range 0..6)");
+
 static inline unsigned int zfcp_dbf_plen(unsigned int offset)
 {
        return sizeof(struct zfcp_dbf_pay) + offset - ZFCP_DBF_PAY_MAX_REC;
@@ -447,7 +454,7 @@ static debug_info_t *zfcp_dbf_reg(const char *name, int size, int rec_size)
                return NULL;
 
        debug_register_view(d, &debug_hex_ascii_view);
-       debug_set_level(d, 3);
+       debug_set_level(d, dbflevel);
 
        return d;
 }