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Date:   Wed, 2 Oct 2019 19:38:14 +0200
From:   Krzysztof Kozlowski <krzk@kernel.org>
To:     Lukasz Luba <l.luba@partner.samsung.com>
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, b.zolnierkie@samsung.com,
        kgene@kernel.org, mark.rutland@arm.com, cw00.choi@samsung.com,
        kyungmin.park@samsung.com, m.szyprowski@samsung.com,
        s.nawrocki@samsung.com, myungjoo.ham@samsung.com,
        robh+dt@kernel.org, willy.mh.wolff.ml@gmail.com
Subject: Re: [PATCH v3 4/4] memory: samsung: exynos5422-dmc: Add support for
 interrupt from performance counters
Message-ID: <20191002173814.GF21463@kozik-lap>
References: <20191002060455.3834-1-l.luba@partner.samsung.com>
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On Wed, Oct 02, 2019 at 08:04:55AM +0200, Lukasz Luba wrote:
> Introduce a new interrupt driven mechanism for managing speed of the
> memory controller. The interrupts are generated due to performance
> counters overflow. The performance counters might track memory reads,
> writes, transfers, page misses, etc. In the basic algorithm tracking
> read transfers and calculating memory pressure should be enough to
> skip polling mode in devfreq.
> 
> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
> ---
>  drivers/memory/samsung/exynos5422-dmc.c | 345 ++++++++++++++++++++++--

Thanks, applied.

Best regards,
Krzysztof