linux-kernel - N900 v3.19-rc5 arm atags_to

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Message-Id: <201501232239.55801@pali>
Date:	Fri, 23 Jan 2015 22:39:55 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	"linux-omap" <linux-omap@...r.kernel.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Tony Lindgren <tony@...mide.com>,
	Sebastian Reichel <sre@...nel.org>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Pavel Machek <pavel@....cz>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Laura Abbott <lauraa@...eaurora.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>
Subject: N900 v3.19-rc5 arm atags_to_fdt.c is broken

Hello,

when I boot zImage with appended DT n900 in qemu fdt_open_into() 
function called from file arch/arm/boot/compressed/atags_to_fdt.c 
(in function atags_to_fdt) always returns -FDT_ERR_NOSPACE.

It means that all ATAGS (including cmdline arguments) passed by 
bootloader are ignored.

On real n900 device I see that booted DT version also ignore 
cmdline arguments from bootloader. I cannot debug decompress code 
on real device, but I think it is same problem as in qemu.

-- 
Pali Rohár
pali.rohar@...il.com

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