From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
To: rtc-linux@googlegroups.com
Cc: Chanwoo Choi <cw00.choi@samsung.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Kukjin Kim <kgene@kernel.org>,
Alessandro Zummo <a.zummo@towertech.it>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: Re: [rtc-linux] Re: [PATCH 2/2] ARM: dts: s3c-rtc: Use s3c6410-rtc instead of exynos3250-rtc
Date: Tue, 31 Mar 2015 10:56:15 +0200 [thread overview]
Message-ID: <CAJKOXPc7px9Aq4b6DRyKnNf=uREYzO0L41ANzKXB3n9HTzV9oQ@mail.gmail.com> (raw)
In-Reply-To: <20150331081204.GH3849@piout.net>
2015-03-31 10:12 GMT+02:00 Alexandre Belloni
<alexandre.belloni@free-electrons.com>:
> On 31/03/2015 at 09:47:15 +0900, Chanwoo Choi wrote :
>> > Are you absolutely sure that the exynos3250 IP is the same as the
>> > s3c6410 (I don't know much about the exynos family). The concern being
>> > that if at one point you have an errata on one or ther other, you will
>> > have to break the DT ABI by undoing this change.
>> >
>> > Note that I'm fine with it, I'm just asking.
>>
>> I'm sure about exynos3250 RTC is same with S3C6410 RTC.
>> There was little different about that pevious S3C6410 RTC
>> don't consider to control the 'rtc_src' clk.
>>
>>
>> But, Javier's patch[1] add the '.needs_src_clk' to control the
>> 'rtc_src' clk. After merged this patch, there is no different part between
>> Exynos3250 RTC and S3C6410 RTC.
>>
>> [1] 8792f7772f4f (drivers/rtc/rtc-s3c.c: add .needs_src_clk to s3c6410 RTC data)
>>
>
> Yes, I saw that the software was handling both the same way, I was
> asking about the hardware side.
The hardware is exactly the same. Or maybe I should say: I could not
find any differences.
Best regards,
Krzysztof
next prev parent reply other threads:[~2015-03-31 8:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-30 15:19 [PATCH 0/2] ARM: EXYNOS: Minor S3C RTC cleanups Krzysztof Kozlowski
2015-03-30 15:19 ` [PATCH 1/2] drivers/rtc/rtc-s3c.c: Integrate Exynos3250 into S3C6410 Krzysztof Kozlowski
2015-03-30 23:37 ` Chanwoo Choi
2015-03-31 0:27 ` Alexandre Belloni
2015-03-31 6:49 ` Javier Martinez Canillas
2015-03-31 8:20 ` Alexandre Belloni
2015-03-31 9:00 ` [rtc-linux] " Krzysztof Kozlowski
2015-03-30 15:19 ` [PATCH 2/2] ARM: dts: s3c-rtc: Use s3c6410-rtc instead of exynos3250-rtc Krzysztof Kozlowski
2015-03-30 23:38 ` Chanwoo Choi
2015-03-31 0:31 ` Alexandre Belloni
2015-03-31 0:47 ` Chanwoo Choi
2015-03-31 8:12 ` Alexandre Belloni
2015-03-31 8:56 ` Krzysztof Kozlowski [this message]
2015-03-31 6:43 ` Javier Martinez Canillas
2015-03-31 6:54 ` Kukjin Kim
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