[RFT PATCH v3 25/27] tty: serial: samsung_tty: Add earlycon support for Apple UARTs

[Krzysztof Kozlowski]

On 04/03/2021 22:39, Hector Martin wrote:
> Earlycon support is identical to S3C2410, but Apple SoCs also need
> MMIO mapped as nGnRnE. This is handled generically for normal drivers
> including the normal UART path here, but earlycon uses fixmap and
> runs before that scaffolding is ready.
> 
> Since this is the only case where we need this fix, it makes more
> sense to do it here in the UART driver instead of introducing a
> whole fdt nonposted-mmio resolver just for earlycon/fixmap.
> 
> Suggested-by: Arnd Bergmann <arnd at arndb.de>
> Signed-off-by: Hector Martin <marcan at marcan.st>
> ---
>  drivers/tty/serial/samsung_tty.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.com>

Best regards,
Krzysztof