linux-kernel - Re: [PATCH] soc: tegra: pmc: restrict compilation of suspend-related support to ARM

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Message-ID: <54AD4FB7.20600@gmail.com>
Date:	Wed, 07 Jan 2015 18:24:39 +0300
From:	Dmitry Osipenko <digetx@...il.com>
To:	Thierry Reding <thierry.reding@...il.com>,
	Paul Walmsley <paul@...an.com>
CC:	linux-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-tegra@...r.kernel.org, Kumar Gala <galak@...eaurora.org>,
	Paul Walmsley <pwalmsley@...dia.com>,
	Thierry Reding <treding@...dia.com>,
	Allen Martin <amartin@...dia.com>,
	Stephen Warren <swarren@...dia.com>,
	Alexandre Courbot <gnurou@...il.com>
Subject: Re: [PATCH] soc: tegra: pmc: restrict compilation of suspend-related
 support to ARM

07.01.2015 17:33, Thierry Reding пишет:
> On Tue, Dec 09, 2014 at 10:36:50PM +0000, Paul Walmsley wrote:
>>
>> Tegra SoCs with 64-bit ARM support don't currently support deep CPU
>> low-power states in mainline Linux.  When this support is added in the
>> future, it will probably look rather different from the existing
>> 32-bit ARM support, since the ARM64 maintainers' strong preference is
>> to use PSCI to implement it.
>>
>> So, for the time being, prevent the CPU suspend-related code and data
>> in the Tegra PMC driver from compiling on ARM64.
>>
>> Signed-off-by: Paul Walmsley <paul@...an.com>
>> Signed-off-by: Paul Walmsley <pwalmsley@...dia.com>
>> Cc: Thierry Reding <treding@...dia.com>
>> Cc: Allen Martin <amartin@...dia.com>
>> Cc: Stephen Warren <swarren@...dia.com>
>> Cc: Alexandre Courbot <gnurou@...il.com>
>> ---
>> Applies on next-20141209.
>> Intended for v3.20.
>> Boot-tested on Tegra124 Jetson TK1 on next-20141209.
>> Also boot-tested on Tegra132 Norrin FFD on next-20141209 + some unrelated 
>> patches.
>>
>>  drivers/soc/tegra/pmc.c | 7 +++++--
>>  include/soc/tegra/pm.h  | 2 +-
>>  2 files changed, 6 insertions(+), 3 deletions(-)
> 
> On second thought, I decided to apply this as-is.
> 
> Thanks,
> Thierry
> 

Oh, I haven't noticed this patch before...

I sent patch fixing tegra20 suspend bug [
http://patchwork.ozlabs.org/patch/423778/ ] and it will obviously conflict with
this one.
For now there is no feedback for my suspend bug patch (other than for V1), but,
if it's fine, I think it would be easier to rebase Paul's patch on top of it.
Any other suggestions?

-- 
Dmitry
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