> -----Ursprüngliche Nachricht----- > Von: linux-omap-owner@xxxxxxxxxxxxxxx > [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] Im Auftrag von Jassi Brar > Gesendet: Dienstag, 18. September 2012 12:23 > An: Maximilian Schwerin > Cc: linux-omap@xxxxxxxxxxxxxxx > Betreff: Re: How to disable message "Uncompressing linux..." > on kernel start? > > On 18 September 2012 15:37, Jassi Brar > <jaswinder.singh@xxxxxxxxxx> wrote: > > On 18 September 2012 12:09, Maximilian Schwerin > > <Maximilian.Schwerin@xxxxxxxxx> wrote: > >> Hi all, > >> > >> I have been convinced that my patch for disabling the message > >> "Uncompressing linux..." on kernel start was not all that > good an idea. > >> As the problem still remains an issue for me and I'd like > to find a fix > >> for everyone I'd like to ask for pointers where or how to fix this. > >> > >> To sum up my problem: I'm using the primary serial port on > an OMAP3 as a > >> debug console for development. In production we set the > u-boot silent > >> option which disables all kernel logging to this serial > port. The only > >> kernel message that remains is "Uncompressing linux..." at the very > >> beginning. As we connect an external device via this port > in production > >> environments this is not acceptable. > >> > > Perhaps adding config choice under "Kernel low-level > debugging port", > > to select the UART port to direct the early prints to, would help. > > Like some platforms already do. See DEBUG_CLPS711X_UART1/2 , > > DEBUG_MSM_UART1/2/3 etc. > > On a second thought, I think we need a new config independent > of DEBUG_LL. > Something like what Samsung code does with symbol > S3C_LOWLEVEL_UART_PORT in arch/arm/plat-samsung/Kconfig In my case I need to be able to disable it completely.
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