[v4,3/3] fault injection: add documentation on MMC IO fault injection
diff mbox

Message ID 1311711119-6286-4-git-send-email-per.forlin@linaro.org
State New, archived
Headers show

Commit Message

Per Forlin July 26, 2011, 8:11 p.m. UTC
Add description on how to enable random fault injection
for MMC IO

Signed-off-by: Per Forlin <per.forlin@linaro.org>
---
 Documentation/fault-injection/fault-injection.txt |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

Patch
diff mbox

diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt
index 7be15e4..27eede4 100644
--- a/Documentation/fault-injection/fault-injection.txt
+++ b/Documentation/fault-injection/fault-injection.txt
@@ -21,6 +21,11 @@  o fail_make_request
   /sys/block/<device>/make-it-fail or
   /sys/block/<device>/<partition>/make-it-fail. (generic_make_request())
 
+o fail_mmc_request
+
+  injects MMC data errors on devices permitted by setting
+  /sys/kernel/debug/mmc0/make-it-fail
+
 Configure fault-injection capabilities behavior
 -----------------------------------------------