From mboxrd@z Thu Jan  1 00:00:00 1970
From: jason@lakedaemon.net (Jason Cooper)
Date: Wed, 25 Nov 2015 15:45:51 +0000
Subject: [PATCH] ARM: mach-orion5x: fix legacy get_irqnr_and_base
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References: <alpine.LFD.2.20.1511222240150.22569@knanqh.ubzr>
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 <alpine.LFD.2.20.1511251027210.22569@knanqh.ubzr>
Message-ID: <20151125154551.GD6520@io.lakedaemon.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Wed, Nov 25, 2015 at 10:38:03AM -0500, Nicolas Pitre wrote:
...
> BTW, mv78xx0 is still broken wrt this IRQ #0 usage.  Is it possible that 
> no one uses it?  It is a weird not-completely-SMP architecture that 
> lacks cache coherency support between CPU cores. To fully use both 
> cores, we'd need to have two independent Linux instances with memory 
> partitioning and this was never implemented. I'm unaware of any product 
> using Linux on that SOC either.  My own mv78xx0 dev board took the way 
> of the recycling facility a while ago given the lack of interest.
> 
> Should we "fix" it by removing it outright?

The only users I know of were Debian.  They had their ARM build servers
running on some.  They have since been upgraded thanks to kind
donations.  :-)

thx,

Jason.