From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To: Geert Uytterhoeven <geert+renesas@glider.be>,
Jonathan Corbet <corbet@lwn.net>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>,
Paul Gortmaker <paul.gortmaker@windriver.com>,
Thomas Gleixner <tglx@linutronix.de>,
Magnus Damm <magnus.damm@gmail.com>
Cc: linux-doc@vger.kernel.org, linux-sh@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] Documentation: kernel-parameters: Add earlyprintk=bios on SH
Date: Tue, 24 Oct 2023 18:42:56 +0200 [thread overview]
Message-ID: <56579ab79a783e70dc900209cf32582c6585a6ad.camel@physik.fu-berlin.de> (raw)
In-Reply-To: <febc920964f2f0919d21775132e84c5cc270177e.1697708489.git.geert+renesas@glider.be>
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
next prev parent reply other threads:[~2023-10-24 16:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-19 9:46 [PATCH 0/2] sh: Revive BIOS earlyprintk support Geert Uytterhoeven
2023-10-19 9:46 ` [PATCH 1/2] sh: bios: Revive " Geert Uytterhoeven
2023-10-19 15:48 ` Randy Dunlap
2023-10-19 15:51 ` John Paul Adrian Glaubitz
2023-10-19 15:53 ` Randy Dunlap
2023-10-20 7:10 ` Geert Uytterhoeven
2023-10-24 16:42 ` John Paul Adrian Glaubitz
2023-10-19 9:46 ` [PATCH 2/2] Documentation: kernel-parameters: Add earlyprintk=bios on SH Geert Uytterhoeven
2023-10-24 16:42 ` John Paul Adrian Glaubitz [this message]
2023-10-19 10:24 ` [PATCH 0/2] sh: Revive BIOS earlyprintk support John Paul Adrian Glaubitz
2023-10-25 14:54 ` John Paul Adrian Glaubitz
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