Arnd Bergmann wrote:
quoted text
> It depends a lot on what your specific driver does in the ioctl
> handler, but normally you should define a compat_ioctl() function.
> What driver are you talking about?

drivers/char/synclink.c
drivers/char/synclinkmp.c
drivers/char/synclink_gt.c
drivers/char/pcmcia/synclink_cs.c

All use the same set of ioctl() codes that
are peculiar to the synclink drivers.

Defining compat_ioctl() seems to be the best way, but
that will require modifying the base tty code to allow
the individual tty drivers to register compat_ioctl().

Currently the tty file ops do not include that and
tty_io.c does not register a compat_ioctl(), instead
relying on compat_ioctl.h and compat_ioctl.c

--
Paul

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