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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Lee Jones <lee@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org,
	Sriranjani P <sriranjani.p@samsung.com>,
	Chanho Park <chanho61.park@samsung.com>
Subject: Re: [PATCH 3/4] dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynos5433
Date: Fri, 25 Nov 2022 15:47:19 +0100	[thread overview]
Message-ID: <dfd956d5-d62d-52ac-c485-afc71c441df5@linaro.org> (raw)
In-Reply-To: <CAPLW+4kwFCLaiowajdCnA09eT4emOB-3d-6cbA=ZYyRLwYuCxw@mail.gmail.com>

On 25/11/2022 15:22, Sam Protsenko wrote:
> On Fri, 25 Nov 2022 at 05:22, Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>>
>> Exynos5433 has several different SYSREGs, so use dedicated compatibles
>> for them.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>>
>> ---
>>
>> Cc: Sriranjani P <sriranjani.p@samsung.com>
>> Cc: Chanho Park <chanho61.park@samsung.com>
>> Cc: Sam Protsenko <semen.protsenko@linaro.org>
>> ---
> 
> Hi Krzysztof,
> 
> Just curious: what is the rationale for adding those more specific
> sysregs? AFAIR, e.g. in Exynos850, different SysReg instances have
> pretty much the same register layout.
> 

On Exynos5433 all these blocks have different registers. Are you saying
that Exynos850 has four (or more) sysregs which are exactly the same?
Same registers? Why would they duplicate it?

Best regards,
Krzysztof


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  reply	other threads:[~2022-11-25 14:58 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20221125112237epcas5p42180c4d081cce89e14ac0975a94cdbc4@epcas5p4.samsung.com>
2022-11-25 11:21 ` [PATCH 1/4] arm64: dts: exynos: add dedicated SYSREG compatibles to Exynos5433 Krzysztof Kozlowski
2022-11-25 11:21   ` [PATCH 2/4] dt-bindings: soc: samsung: exynos-sysreg: split from syscon Krzysztof Kozlowski
2022-11-25 14:05     ` Lee Jones
2022-11-25 14:15     ` Sam Protsenko
2022-11-25 14:32     ` Sriranjani P
2022-11-26 13:07       ` Krzysztof Kozlowski
2022-11-25 16:56     ` Alim Akhtar
2022-11-25 11:22   ` [PATCH 3/4] dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynos5433 Krzysztof Kozlowski
2022-11-25 14:22     ` Sam Protsenko
2022-11-25 14:47       ` Krzysztof Kozlowski [this message]
2022-11-25 14:57         ` Sam Protsenko
2022-11-25 15:01           ` Krzysztof Kozlowski
2022-11-25 16:40             ` Alim Akhtar
2022-11-25 14:33     ` Sriranjani P
2022-11-25 17:06     ` Alim Akhtar
2022-11-26 13:08       ` Krzysztof Kozlowski
2022-11-25 11:22   ` [PATCH 4/4] dt-bindings: soc: samsung: exynos-sysreg: add clocks for Exynos850 Krzysztof Kozlowski
2022-11-25 14:33     ` Sriranjani P
2022-11-25 14:38     ` Sam Protsenko
2022-11-25 14:49       ` Krzysztof Kozlowski
2022-11-25 15:01         ` Sam Protsenko
2022-11-25 14:22   ` [PATCH 1/4] arm64: dts: exynos: add dedicated SYSREG compatibles to Exynos5433 Sam Protsenko
2022-11-25 14:29   ` Sriranjani P
2022-11-25 16:51   ` Alim Akhtar

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