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SubjectRe: [PATCH 2/2] Documentation: kernel-parameters: Add earlyprintk=bios on SH
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On Thu, 2023-10-19 at 11:46 +0200, Geert Uytterhoeven wrote:
> Document the use of the "earlyprintk=bios[,keep]" kernel parameter
> option on SuperH systems with a SuperH standard BIOS.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> Documentation/admin-guide/kernel-parameters.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 657bb0b54e2fc6cf..8e7f6be051a0e1d3 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -1331,6 +1331,7 @@
> earlyprintk=dbgp[debugController#]
> earlyprintk=pciserial[,force],bus:device.function[,baudrate]
> earlyprintk=xdbc[xhciController#]
> + earlyprintk=bios
>
> earlyprintk is useful when the kernel crashes before
> the normal console is initialized. It is not enabled by
> @@ -1361,6 +1362,8 @@
>
> The sclp output can only be used on s390.
>
> + The bios output can only be used on SuperH.
> +
> The optional "force" to "pciserial" enables use of a
> PCI device even when its classcode is not of the
> UART class.

Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>

--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913

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