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From: Stephen Warren <swarren@wwwdotorg.org>
To: Dmitry Osipenko <digetx@gmail.com>,
	Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>,
	Peter De Schrijver <pdeschrijver@nvidia.com>,
	linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH] ARM: tegra20: Store CPU "resettable" status in IRAM
Date: Mon, 19 Jan 2015 10:45:52 -0700	[thread overview]
Message-ID: <54BD42D0.3020107@wwwdotorg.org> (raw)
In-Reply-To: <54BD41D3.7030703@gmail.com>

On 01/19/2015 10:41 AM, Dmitry Osipenko wrote:
> 19.01.2015 20:26, Stephen Warren пишет:
>> Hopefully this works out. I suppose it's unlikely anyone will be
>> running code on
>> the AVP upstrem, so any potential conflict with AVP's usage of IRAM
>> isn't likely
>> to occur.
>>
> I don't see how it can conflict with AVP code. First KB of IRAM is
> reserved for reset handler. Am I missing something?
>
>  From reset.h:
>
> /* The first 1K of IRAM is permanently reserved for the CPU reset
> handler */

I believe "CPU" in that context means AVP CPU. Still, I may not be 
correct, and to be honest it's likely not too well defined even if that 
comment seems clear-cut.

>> __tegra20_cpu1_resettable_status_offset has a lot of _ at the start.
>> Should the
>> symbol be named more normally? I guess at least it's consistent with the
>> existing very "underscory" __tegra_cpu_reset_handler_start.
> I also wasn't happy with "underscory" :) And yes, I left it for
> consistency. Please feel free to rename it, if needed.


  reply	other threads:[~2015-01-19 17:45 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-15 10:58 Two variants of fixing Tegra20 suspend bug Dmitry Osipenko
2015-01-15 10:58 ` [PATCH] ARM: tegra20: Store CPU "resettable" status in IRAM Dmitry Osipenko
2015-01-19 14:12   ` Thierry Reding
2015-01-19 15:14     ` Dmitry Osipenko
2015-01-19 17:26     ` Stephen Warren
2015-01-19 17:41       ` Dmitry Osipenko
2015-01-19 17:45         ` Stephen Warren [this message]
2015-01-19 18:00           ` Dmitry Osipenko
2015-01-19 18:26             ` Dmitry Osipenko
2015-01-20 16:55               ` Dmitry Osipenko
2015-01-20  1:59     ` Alexandre Courbot
2015-03-11 10:29   ` Thierry Reding
2015-03-11 13:28     ` Dmitry Osipenko
2015-01-15 10:58 ` [PATCH] ARM: tegra: Store tegra_resume() address " Dmitry Osipenko
2015-01-19 14:01   ` Thierry Reding

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