On Wed, Jul 31, 2019 at 09:56:51PM +0200, Arnd Bergmann wrote:

The lpc32xx_loopback_set() function in hte lpc32xx_hs driver is the
one thing that relies on platform header files. Move that into the
core platform code so we only need a variable declaration for it,
and enable COMPILE_TEST building.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/mach-lpc32xx/serial.c       | 30 ++++++++++++++++++++++++
 drivers/tty/serial/lpc32xx_hs.c      | 35 ++++------------------------
 include/linux/soc/nxp/lpc32xx-misc.h |  4 ++++
 3 files changed, 38 insertions(+), 31 deletions(-)

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>