[patch v11 4/4] Documentation: jtag: Add ABI documentation

Tobias Klauser tklauser at distanz.ch
Tue Nov 7 21:36:13 AEDT 2017


On 2017-11-03 at 16:54:09 +0100, Oleksandr Shamray <oleksandrs at mellanox.com> wrote:
> 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>
> ---
> v10->v11
> v9->v10
> Fixes added by Oleksandr:
> - change jtag-cdev to jtag-dev in documentation
> - update Kernel Version and Date in jtag-dev documentation;
> v8->v9
> v7->v8
> v6->v7
> 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
> index 0000000..803dbab
> --- /dev/null
> +++ b/Documentation/ABI/testing/jatg-dev

Typo in the file name: s/jatg-dev/jtag-dev/

> @@ -0,0 +1,27 @@
> +What:		/dev/jtag[0-9]+
> +Date:		October 2017
> +KernelVersion:	4.15
> +Contact:	oleksandrs at mellanox.com
> +Description:
> +		The misc device files /dev/jtag* are the interface
> +		between JTAG master interfase and userspace.

Typo: s/interfase/interface/

> +
> +		The ioctl(2)-based ABI is defined and documented in
> +		[include/uapi]<linux/jtag.h>.
> +
> +		The following file operations are supported:
> +
> +		open(2)
> +		The argument flag currently support only one access
> +		mode O_RDWR.
> +
> +		ioctl(2)
> +		Initiate various actions.
> +		See the inline documentation in [include/uapi]<linux/jtag.h>
> +		for descriptions of all ioctls.
> +
> +		close(2)
> +		Stops and free up the I/O contexts that was associated
> +		with the file descriptor.
> +
> +Users:		TBD
> \ No newline at end of file
> -- 
> 1.7.1
> 


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