libata: implement dump_id force param
Add dump_id libata.force parameter. If specified, libata dumps full
IDENTIFY data during device configuration. This is to aid debugging.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Larry Baker <baker@usgs.gov>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b56ea86..a5c0550 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1252,6 +1252,8 @@
* nohrst, nosrst, norst: suppress hard, soft
and both resets.
+ * dump_id: dump IDENTIFY data.
+
If there are multiple matching configurations changing
the same attribute, the last one is used.