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Subject[PATCH 7/7] Documentation/ABI: for N_TI_SHARED ldisc
From: Pavan Savoy <>

N_TI_SHARED creates a sysfs entry to communicate
with the application/daemon which would want to install/
un-install the line discipline, it's documentation
now exists in testing/ subdirectory.

Signed-off-by: Pavan Savoy <>
Documentation/ABI/testing/sysfs-uim | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
create mode 100644 Documentation/ABI/testing/sysfs-uim

diff --git a/Documentation/ABI/testing/sysfs-uim b/Documentation/ABI/testing/sysfs-uim
new file mode 100644
index 0000000..899aa4d
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-uim
@@ -0,0 +1,24 @@
+What: /sys/uim
+Date: March 22
+Contact: Pavan Savoy <>
+ Create a new kobject to pass information about the
+ N_TI_SHARED line discipline created to application/daemon
+ which would install/un-install line discipline.
+What: /sys/uim/pid
+Date: March 22
+Contact: Pavan Savoy <>
+ The daemon/application wanting to use the line discipline
+ N_TI_SHARED will write in it's process Id, for the LDISC
+ driver to send SIGUSR2 signal to the process whenever a
+ upper layer protocol driver wants to make use of the LDISC
+ driver.
+What: /sys/uim/protocols
+Date: March 22
+Contact: Pavan Savoy <>
+ List the protocols currently making use of the LDISC to ensure
+ LDISC is not un-installed when BT/FM or GPS is making use of it.

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