[RFC PATCH] Add an earlyprintk debug console

Sascha Hauer s.hauer at pengutronix.de
Thu Nov 5 08:43:25 EST 2009


On Thu, Nov 05, 2009 at 12:35:12PM +0000, Catalin Marinas wrote:
> This patch allows an earlyprintk console if CONFIG_DEBUG_LL is enabled,
> using the printch asm function.
> 
> The patch is based on the original work by Sascha Hauer.
> 
> Signed-off-by: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Sascha Hauer <s.hauer at pengutronix.de>
> Cc: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> ---
> 
> The first variant of this patch was posted earlier this year -
> http://thread.gmane.org/gmane.linux.ports.arm.kernel/52478 - and there
> were a few comments but no follow-up patch. I implemented those
> comments and I think we should merge this (it's much easier to pass
> earlyprintk on the kernel command line than hacking the printk code to
> do a printascii).

Nice :)

Sascha

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