From: Dmitry Osipenko <digetx@gmail.com>
To: Stephen Warren <swarren@wwwdotorg.org>,
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 21:00:06 +0300 [thread overview]
Message-ID: <54BD4626.70902@gmail.com> (raw)
In-Reply-To: <54BD42D0.3020107@wwwdotorg.org>
19.01.2015 20:45, Stephen Warren пишет:
> 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.
>
Hmm... Suddenly I recalled that LP2 was always disabled in downstream kernel. I
remember that I tried it once (couple years ago) and it didn't work, however I
presume it was just broken. Now I don't feel good with it.
--
Dmitry
next prev parent reply other threads:[~2015-01-19 18:00 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
2015-01-19 18:00 ` Dmitry Osipenko [this message]
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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