[PATCH 1/3] serial: allow selecting MSM debug UART with ARCH_IPQ40XX

[Robert Marko]

On Mon, Apr 15, 2024 at 1:21 PM Caleb Connolly
<caleb.connolly at linaro.org> wrote:
>
> Hi Robert,
>
> Happy to see someone working on those IPQ platforms. If it makes sense
> to then I'd be happy to adopt them under ARCH_SNAPDRAGON at some point?
> I'm not hugely familiar with the usecase here (but eager to learn more!).

Well, IPQ40xx is quite a popular WiSoC family and its cheap but the
stock bootloader limits any kind of
custom use case, so here we are.

Regards,
Robert
>
> On 15/04/2024 11:49, Robert Marko wrote:
> > Currently, DEBUG_UART_MSM depends on ARCH_SNAPDRAGON only, but IPQ40XX
> > devices also use the same UART HW so they can also use the debug UART.
> >
> > So, allow selecting DEBUG_UART_MSM when using ARCH_IPQ40XX as well.
> >
> > Signed-off-by: Robert Marko <robert.marko at sartura.hr>
>
> Reviewed-by: Caleb Connolly <caleb.connolly at linaro.org>
> > ---
> >  drivers/serial/Kconfig | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
> > index 8b19e2684e..1fe4607598 100644
> > --- a/drivers/serial/Kconfig
> > +++ b/drivers/serial/Kconfig
> > @@ -321,7 +321,7 @@ config DEBUG_UART_S5P
> >
> >  config DEBUG_UART_MSM
> >       bool "Qualcomm QUP UART debug"
> > -     depends on ARCH_SNAPDRAGON
> > +     depends on ARCH_SNAPDRAGON || ARCH_IPQ40XX
> >       help
> >         Select this to enable a debug UART using the serial_msm driver. You
> >         will need to provide parameters to make this work. The driver will
>
> --
> // Caleb (they/them)



-- 
Robert Marko
Staff Embedded Linux Engineer
Sartura Ltd.
Lendavska ulica 16a
10000 Zagreb, Croatia
Email: robert.marko at sartura.hr
Web: www.sartura.hr