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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Varada Pavani <v.pavani@samsung.com>,
	s.nawrocki@samsung.com, cw00.choi@samsung.com,
	alim.akhtar@samsung.com, mturquette@baylibre.com,
	sboyd@kernel.org, linux-samsung-soc@vger.kernel.org,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Cc: aswani.reddy@samsung.com, gost.dev@samsung.com
Subject: Re: [PATCH 2/2] arm64: dts: fsd: Fix Clock handle for WDT
Date: Fri, 29 Aug 2025 16:14:34 +0200	[thread overview]
Message-ID: <4770fec3-1b1c-4ade-aa3f-1ad097bbbb3f@kernel.org> (raw)
In-Reply-To: <20250829135643.105406-3-v.pavani@samsung.com>

On 29/08/2025 15:56, Varada Pavani wrote:
> FSD SoC WDT has few changes when compared to exynos7 interms of Clocks,
> PMU register bits for each cluster. So use "tesla,fsd-wdt"

So what was added in 2022?

> compatibility for using correct driver data.
> FSD supports 2 Clocks for WDT (PCLK and CLK).
> - use fin_pll source Clock for all timer related calculations.
> - use bus Clock (IMEM_WDT0_IPCLKPORT_PCLK) to gate/ungate the register
> interface. Update both as per WDT UM.

No, you break all the users. Probably users don't care, but I do care
because I use that arguments for reviewing other patches, so I apply a
bit stricter rules for existing Samsung trees.

Otherwise provide rationale about impact and what was happening in 2022
with this code...


Best regards,
Krzysztof


      reply	other threads:[~2025-08-29 17:26 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20250829135658epcas5p24bb23c6fef2092aa7397faa10e0d9228@epcas5p2.samsung.com>
2025-08-29 13:56 ` [PATCH 0/2] dt-bindings: watchdog: Add support for FSD SoC watchdog Varada Pavani
     [not found]   ` <CGME20250829135703epcas5p14bbcc16e8d3622950a28e0ce40ff2dcd@epcas5p1.samsung.com>
2025-08-29 13:56     ` [PATCH 1/2] dt-bindings: watchdog: Modify tesla fsd bindings Varada Pavani
2025-08-29 14:12       ` Krzysztof Kozlowski
2025-08-30  8:45       ` Krzysztof Kozlowski
     [not found]   ` <CGME20250829135708epcas5p1b62d44f8a712b1c865fd82d26e89896f@epcas5p1.samsung.com>
2025-08-29 13:56     ` [PATCH 2/2] arm64: dts: fsd: Fix Clock handle for WDT Varada Pavani
2025-08-29 14:14       ` Krzysztof Kozlowski [this message]

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