This updates the ads7846 touchscreen driver:
- to allow faster clocking (this driver doesn't push sample rates);
- bugfixes the conversion of spi_transfer to lists;
- some dma-unsafe command buffers are fixed.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
d93f70b2d7