From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Tue, 3 Jul 2012 23:46:09 +0100 Subject: MX28 poweroff issue In-Reply-To: <201207040030.36713.marex@denx.de> References: <201207040030.36713.marex@denx.de> Message-ID: <20120703224609.GC26355@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jul 04, 2012 at 12:30:36AM +0200, Marek Vasut wrote: > I recently confirmed this issue when doing "poweroff". The issue was > initially reported by Detlev Zundel. My guess is it's because we don't disable interrupts on halt - because the kernel used to allow halt followed by another ctrl-alt-reboot to cause the thing to reboot. That's long since gone, so we might as well make the CPU spin endlessly waiting for someone to pull the power on halt...