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To: Darren Stevens <darren@stevens-zone.net>, linuxppc-dev@lists.ozlabs.org
From: Michael Ellerman <mpe@ellerman.id.au>
Cc: Pat Wall <pjwall@mac.com>, matthew@a-eon.com, aperez@alexperez.com,
 "R.T.Dickinson" <rtd2@xtra.co.nz>, Christian Zigotzky <chzigotzky@xenosoft.de>
Subject: Re: Proposed: Patch to fix boot on PA6T
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Date: Tue, 28 Jun 2016 20:51:02 +1000 (AEST)
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Hi Darren,

On Sun, 2016-26-06 at 17:42:11 UTC, Darren Stevens wrote:
> Hello All,
> 
>     commit d6a9996e84ac4beb7713e9485f4563e100a9b03e
>     powerpc/mm: vmalloc abstraction in preparation for radix
> 
>     This commit introduced variables for some linux kernel addresses that had before
>     been constants, unfortunately this stopped PaSemi PA6T systems(*) from  booting as
>     they call ioremap to map SoC registers before the mmu is initialised. The attached
>     patch adds a hard-coded init of pci_io_base to the pas_init_early() function which
>     which allows the kernel to boot normally.
> 
>     The value will be harmlessly set again once pci starts up.
> 
>     (*) At the moment this has only been tested on an AmigaOneX1000, but I expect PaSemi
>     reference systems to have been affected in the same way.
> 
> Kind regards
> Darren

I can't merge this because you didn't sign it off.

See section 11 of:

  https://www.kernel.org/doc/Documentation/SubmittingPatches

cheers