USB: ftdi_sio: use generic chars_in_buffer

Use generic chars_in_buffer rather than copying it's implementation.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2012-10-29 10:56:26 +01:00 • committed by Greg Kroah-Hartman
commit 755b6040fa