[patch v11 4/4] Documentation: jtag: Add ABI documentation
oleksandrs at mellanox.com
Sat Nov 4 02:54:09 AEDT 2017
Added document that describe the ABI for JTAG class drivrer
Signed-off-by: Oleksandr Shamray <oleksandrs at mellanox.com>
Acked-by: Arnd Bergmann <arnd at arndb.de>
Fixes added by Oleksandr:
- change jtag-cdev to jtag-dev in documentation
- update Kernel Version and Date in jtag-dev documentation;
Comments pointed by Pavel Machek <pavel at ucw.cz>
- Added jtag-cdev documentation to Documentation/ABI/testing folder
Documentation/ABI/testing/jatg-dev | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
create mode 100644 Documentation/ABI/testing/jatg-dev
diff --git a/Documentation/ABI/testing/jatg-dev b/Documentation/ABI/testing/jatg-dev
new file mode 100644
@@ -0,0 +1,27 @@
+Date: October 2017
+Contact: oleksandrs at mellanox.com
+ The misc device files /dev/jtag* are the interface
+ between JTAG master interfase and userspace.
+ The ioctl(2)-based ABI is defined and documented in
+ The following file operations are supported:
+ The argument flag currently support only one access
+ mode O_RDWR.
+ Initiate various actions.
+ See the inline documentation in [include/uapi]<linux/jtag.h>
+ for descriptions of all ioctls.
+ Stops and free up the I/O contexts that was associated
+ with the file descriptor.
\ No newline at end of file
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