linux-kernel - Re: [PATCH] powerpc: isa-bridge: Fix ISA mmapping when "ranges" is not present

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Message-ID: <873525w7q5.fsf@mail.lhotse>
Date:   Mon, 03 Jul 2023 21:32:50 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Christian Zigotzky <chzigotzky@...osoft.de>,
        Michael Ellerman <patch-notifications@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Rob Herring <robh@...nel.org>
Cc:     Darren Stevens <darren@...vens-zone.net>,
        "R.T.Dickinson" <rtd2@...a.co.nz>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: isa-bridge: Fix ISA mmapping when "ranges" is
 not present

Christian Zigotzky <chzigotzky@...osoft.de> writes:
> On 03.07.23 07:21, Michael Ellerman wrote:
>> On Fri, 05 May 2023 12:18:17 -0500, Rob Herring wrote:
>>> Commit e4ab08be5b49 ("powerpc/isa-bridge: Remove open coded "ranges"
>>> parsing") broke PASemi Nemo board booting. The issue is the ISA I/O
>>> range was not getting mapped as the logic to handle no "ranges" was
>>> inverted. If phb_io_base_phys is non-zero, then the ISA range defaults
>>> to the first 64K of the PCI I/O space. phb_io_base_phys should only be 0
>>> when looking for a non-PCI ISA region.
>>>
>>> [...]
>> Applied to powerpc/fixes.
>>
>> [1/1] powerpc: isa-bridge: Fix ISA mmapping when "ranges" is not present
>>        https://git.kernel.org/powerpc/c/79de36042eecb684e0f748d17ba52f365fde0d65
>>
>> cheers
> Hello Michael,
>
> This patch has already been applied. Link: 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4927cb98f0eeaa5dbeac882e8372f4b16dc62624

Yes, it's actually the same commit. I'm just catching up on sending the
thanks emails. Sorry for the confusion.

cheers