linux-kernel - Re: [PATCH 1/2] soc: samsung: exynos-pmu: instantiate clkout driver as MFD

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Message-ID: <160264344632.310579.1638354846177491444@swboyd.mtv.corp.google.com>
Date:   Tue, 13 Oct 2020 19:44:06 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Chanwoo Choi <cw00.choi@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH 1/2] soc: samsung: exynos-pmu: instantiate clkout driver as MFD

Quoting Krzysztof Kozlowski (2020-10-01 09:56:45)
> The Exynos clock output (clkout) driver uses same register address space
> (Power Management Unit address space) as Exynos PMU driver and same set
> of compatibles.  It was modeled as clock provider instantiated with
> CLK_OF_DECLARE_DRIVE().
> 
> This however brings ordering problems and lack of probe deferral,
> therefore clkout driver should be converted to a regular module and
> instantiated as a child of PMU driver to be able to use existing
> compatibles and address space.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@...nel.org>