s390/sclp_async: add Kconfig option to specify the component id

Allow to specify the Compoment ID for Call Home via the kernel
configuration. This removes the need for distribution specific
patch against the sclp_async.c source file.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2 files changed, 12 insertions, 1 deletions

diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig
index db2cb1f8a1b5..a5c6f7e157aa 100644
--- a/drivers/s390/char/Kconfig
+++ b/drivers/s390/char/Kconfig
@@ -102,6 +102,16 @@ config SCLP_ASYNC
           want for inform other people about your kernel panics,
           need this feature and intend to run your kernel in LPAR.
 
+config SCLP_ASYNC_ID
+       string "Component ID for Call Home"
+       depends on SCLP_ASYNC
+       default "000000000"
+       help
+         The Component ID for Call Home is used to identify the correct
+         problem reporting queue the call home records should be sent to.
+
+         If your are unsure, please use the default value "000000000".
+
 config HMC_DRV
         def_tristate m
         prompt "Support for file transfers from HMC drive CD/DVD-ROM"
diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c
index 5f9f929e891c..19c25427f27f 100644
--- a/drivers/s390/char/sclp_async.c
+++ b/drivers/s390/char/sclp_async.c
@@ -137,7 +137,8 @@ static int sclp_async_send_wait(char *message)
          * Retain Queue
          * e.g. 5639CC140 500 Red Hat RHEL5 Linux for zSeries (RHEL AS)
          */
-        strncpy(sccb->evbuf.comp_id, "000000000", sizeof(sccb->evbuf.comp_id));
+        strncpy(sccb->evbuf.comp_id, CONFIG_SCLP_ASYNC_ID,
+                sizeof(sccb->evbuf.comp_id));
         sccb->evbuf.header.length = sizeof(sccb->evbuf);
         sccb->header.length = sizeof(sccb->evbuf) + sizeof(sccb->header);
         sccb->header.function_code = SCLP_NORMAL_WRITE;