Re: [PATCH] ARM: dts: am33xx: Add missing serial console speed
From: Kevin Hilman
Date: Tue Nov 04 2025 - 18:06:52 EST
On Thu, 02 Oct 2025 11:53:05 +0200, Geert Uytterhoeven wrote:
> Without a serial console speed specified in chosen/stdout-path in the
> DTB, the serial console uses the default speed of the serial driver,
> unless explicitly overridden in a legacy console= kernel command-line
> parameter.
>
> After dropping "ti,omap3-uart" from the list of compatible values in DT,
> AM33xx serial ports can no longer be used with the legacy OMAP serial
> driver, but only with the OMAP-flavored 8250 serial driver (which is
> mutually-exclusive with the former). However, replacing
> CONFIG_SERIAL_OMAP=y by CONFIG_SERIAL_8250_OMAP=y (with/without enabling
> CONFIG_SERIAL_8250_OMAP_TTYO_FIXUP) may not be sufficient to restore
> serial console functionality: the legacy OMAP serial driver defaults to
> 115200 bps, while the 8250 serial driver defaults to 9600 bps, causing
> no visible output on the serial console when no appropriate console=
> kernel command-line parameter is specified.
>
> [...]
Applied, thanks!
[1/1] ARM: dts: am33xx: Add missing serial console speed
commit: 9c95fc710b0d05f797db9e26d56524efa74f8978
Best regards,
--
Kevin Hilman <khilman@xxxxxxxxxxxx>