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From: Ladislav Michl <ladis@linux-mips.org>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] silent console, nulldev and CONFIG_AUTOBOOT_KEYED
Date: Wed, 29 Jun 2005 20:09:47 +0200	[thread overview]
Message-ID: <20050629180947.GA25852@orphique> (raw)

Hi,

If "silent" env variable is set GD_FLG_SILENT is added to gd->flags
(in console_init_f). That effectively causes all console output to be
suppresed. That flag also causes nulldev to become outputdev
(in console_init_r). Btw, shouldn't CONFIG_SILENT_CONSOLE depend on
CFG_DEVICE_NULLDEV in this case? Now we are entering into abortboot
(CONFIG_AUTOBOOT_KEYED) and because "silent" env variable is set and
also CONFIG_SILENT_CONSOLE defined console_assign (stdout, "serial"); is
called, doing basicaly nothing, because GD_FLG_SILENT which is still
set prevents any console output.

There are various solutions from this situation, but I'd like first
understand what is CFG_DEVICE_NULLDEV good for when we have GD_FLG_SILENT?
Or better, how should all these three things in question behave?

thanks,
	ladis

             reply	other threads:[~2005-06-29 18:09 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-29 18:09 Ladislav Michl [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-06-29 22:24 [U-Boot-Users] silent console, nulldev and CONFIG_AUTOBOOT_KEYED Dave Ellis
2005-06-30  7:56 ` Ladislav Michl
2005-06-30 21:43   ` Dave Ellis

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