On Mon 2017-12-25 13:53:28, Oleksandr Shamray wrote: > Added document that describe the ABI for JTAG class drivrer > > Signed-off-by: Oleksandr Shamray <[email protected]> > Acked-by: Arnd Bergmann <[email protected]> > --- > v14->v15 > v13->v14 > v12->v13 > v11->v12 > Tobias Klauser <[email protected]> > - rename /Documentation/ABI/testing/jatg-dev -> jtag-dev > - Typo: s/interfase/interface > 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 <[email protected]> > - Added jtag-cdev documentation to Documentation/ABI/testing folder > --- > Documentation/ABI/testing/jtag-dev | 27 +++++++++++++++++++++++++++ > 1 files changed, 27 insertions(+), 0 deletions(-) > create mode 100644 Documentation/ABI/testing/jtag-dev > > diff --git a/Documentation/ABI/testing/jtag-dev > b/Documentation/ABI/testing/jtag-dev > new file mode 100644 > index 0000000..cab867d > --- /dev/null > +++ b/Documentation/ABI/testing/jtag-dev > @@ -0,0 +1,27 @@ > +What: /dev/jtag[0-9]+ > +Date: October 2017 > +KernelVersion: 4.15 > +Contact: [email protected] > +Description: > + The misc device files /dev/jtag* are the interface > + between JTAG master interface and userspace. > + > + 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.
Sorry, can we have real docs? I tried to decipher it from jtag.h, but its not easy. We should have API docs... -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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