Re: [PATCH 6/6] clk: samsung: Introduce Exynos850 clock driver

From: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
To: Sam Protsenko <semen.protsenko@linaro.org>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: "Ryu Euiyoul" <ryu.real@samsung.com>,
	"Tom Gall" <tom.gall@linaro.org>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"John Stultz" <john.stultz@linaro.org>,
	"Amit Pundir" <amit.pundir@linaro.org>,
	devicetree <devicetree@vger.kernel.org>,
	"linux-arm Mailing List" <linux-arm-kernel@lists.infradead.org>,
	linux-clk <linux-clk@vger.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Linux Samsung SOC" <linux-samsung-soc@vger.kernel.org>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Stephen Boyd" <sboyd@kernel.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Tomasz Figa" <tomasz.figa@gmail.com>,
	"Chanwoo Choi" <cw00.choi@samsung.com>,
	"Paweł Chmiel" <pawel.mikolaj.chmiel@gmail.com>
Subject: Re: [PATCH 6/6] clk: samsung: Introduce Exynos850 clock driver
Date: Wed, 6 Oct 2021 14:46:38 +0200	[thread overview]
Message-ID: <98c7d970-d937-3441-20c1-7cec736a8a62@canonical.com> (raw)
In-Reply-To: <CAPLW+4n0DX3gn=Ntat39EUO-L2t=SR_=Nr3LtznN4XsNrc=OWA@mail.gmail.com>

On 05/10/2021 13:36, Sam Protsenko wrote:
> On Wed, 15 Sept 2021 at 16:07, Sylwester Nawrocki
> <s.nawrocki@samsung.com> wrote:
>>
>> On 14.09.2021 17:56, Sam Protsenko wrote:
>>> +static void __init exynos850_cmu_top_init(struct device_node *np)
>>> +{
>>> +     exynos850_init_clocks(np, top_clk_regs, ARRAY_SIZE(top_clk_regs));
>>> +     samsung_cmu_register_one(np, &top_cmu_info);
>>> +}
>>> +
>>> +CLK_OF_DECLARE(exynos850_cmu_top, "samsung,exynos850-cmu-top",
>>> +            exynos850_cmu_top_init);
>>
>> Was there anything preventing you from making it a platform driver instead?
>>
> 
> Can you please elaborate on benefits of adding platform driver? I
> don't implement PM ops for now, and I can see that clk-exynos7.c does
> not add platform driver as well... clk-exynos5433.c seems to use
> platform_driver for PM ops only.

I said it in response to patch 1, so just for the record:
Exynos7 is not the example you are looking for. :) Exynos5433 is.

Best regards,
Krzysztof