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