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SubjectRe: [PATCH] serial: 8250: Default SERIAL_OF_PLATFORM to SERIAL_8250
On Thu, Nov 15, 2018 at 11:48:20AM -0800, Florian Fainelli wrote:
>
> OK, would you mind testing this below? It seems to me that 8250_of.c is
> incompatible with arch/powerpc/kernel/legacy_serial.c and that is what
> is causing the issue here.
>
> diff --git a/drivers/tty/serial/8250/Kconfig
> b/drivers/tty/serial/8250/Kconfig
> index d7737dca0e48..21cb14cbd34a 100644
> --- a/drivers/tty/serial/8250/Kconfig
> +++ b/drivers/tty/serial/8250/Kconfig
> @@ -483,7 +483,7 @@ config SERIAL_8250_PXA
>
> config SERIAL_OF_PLATFORM
> tristate "Devicetree based probing for 8250 ports"
> - depends on SERIAL_8250 && OF
> + depends on SERIAL_8250 && OF && !(PPC && PPC_UDBG_16550)
> default SERIAL_8250
> help
> This option is used for all 8250 compatible serial ports that

44x/virtex5_defconfig has both PPC_UDBG_16550 and SERIAL_OF_PLATFORM enabled
and fails to boot (or display anything on the console) with this patch applied.

Guenter

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