Re: [PATCH v5 35/44] tty: serial: handle HAS_IOPORT dependencies

[Greg Kroah-Hartman]

On Mon, May 22, 2023 at 12:50:40PM +0200, Niklas Schnelle wrote:
> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to add HAS_IOPORT as dependency for
> those drivers using them unconditionally. For 8250 based drivers some
> support MMIO only use so fence only the parts requiring I/O ports.
> 
> Co-developed-by: Arnd Bergmann <arnd@xxxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxxxx>
> Signed-off-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx>
> ---
>  drivers/tty/Kconfig                  |  4 +--
>  drivers/tty/serial/8250/8250_early.c |  4 +++
>  drivers/tty/serial/8250/8250_pci.c   | 14 +++++++++
>  drivers/tty/serial/8250/8250_port.c  | 44 +++++++++++++++++++++++-----
>  drivers/tty/serial/8250/Kconfig      |  5 ++--
>  drivers/tty/serial/Kconfig           |  2 +-
>  6 files changed, 60 insertions(+), 13 deletions(-)

This doesn't apply at all to my tree, so I'll just let you take it as
there must be some merge issues somewhere:

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>