linux-kernel - Re: [PATCHv6 2/4] ARM: dts: exynos5422-odroidxu3: Enable TMU at Exynos5422 base

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Message-id: <557E4BF9.7000808@samsung.com>
Date:	Mon, 15 Jun 2015 12:52:25 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Anand Moon <linux.amoon@...il.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Kukjin Kim <kgene@...nel.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv6 2/4] ARM: dts: exynos5422-odroidxu3: Enable TMU at
 Exynos5422 base

On 15.06.2015 11:13, Anand Moon wrote:
> hi Krzysztof
> 
> On 15 June 2015 at 05:21, Krzysztof Kozlowski <k.kozlowski@...sung.com> wrote:
>> On 14.06.2015 19:24, Anand Moon wrote:
>>> This changes enables TMU IP block on the Exynos5422 Odroid-XU3
>>> device.
>>>
>>> Signed-off-by: Anand Moon <linux.amoon@...il.com>
>>> Tested-by: Markus Reichl <m.reichl@...etechno.de>
>>> Acked-by: Lukasz Majewski <l.majewski@...sung.com>
>>> ---
>>> Changes rebase on git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung branch for-next
>>> Changes from v5: Use LDO7 regulator instead of LD010.
>>>
>>> The output of LDO18 goes to VDD_EMMC_1V8. This is not regulator for TMU.
>>>
>>> I think the schematics are missing some of details but it can be deducted that:
>>> 1. TEMP SE is supplied by VDD18_TS power domain. It consists of 5
>>> pairs of pins (XTSTEST_OUT[0-4], XTSEXT_RES[0-4]).
>>> 2. The VDD18_TS01, VDD18_TS23 and VDD18_TS4 are wired to the LDO7 of
>>> S2MPS11 PMIC.
>>> 3. I confirmed with the Exynos5422 datasheet that these
>>> VDD18_TS{01,23,4} supply the XTSTEST pins (OUT and RES).
>>>
>>> So the LDO7 it is... but before using it there is a caveat. The LDO7
>>> is also connected to VDD of MIPI, HDMI and few more. So when you use
>>> this regulator in TMU it may be turned off by TMU driver (e.g. during
>>> unbind). In such case these other blocks also should be tested and
>>> checked whether they take this regulator and enable it.
>>
>> Why did you took my email and pasted it here?
>> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-May/343702.html
>>
>> It is written now in first person so it pretends that you wrote this.
>> You are actually doing this for second time - taking my
>> reply and putting into commit message or changelog. Why?
>>
>> And where is proper changelog?
>>
> 
> Sorry: My intention was never to take credit on what your guidance and
> your pointers.
> I value ever input of your and try not to repeat the mistakes I am repeating.
> I will send updated version soon.

If you want to quote me, then it's fine. But please indicate that this
is a quote.

Thanks for resending. Later I'll give the patchset a try on my XU3-Lite.

Best regards,
Krzysztof


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