linux-kernel - Re: [PATCH v2 2/2] memory: samsung: exynos5422-dmc: Add module param to control IRQ mode

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Date:   Mon, 20 Jul 2020 16:46:48 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Lukasz Luba <lukasz.luba@....com>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, willy.mh.wolff.ml@...il.com,
        k.konieczny@...sung.com, cw00.choi@...sung.com,
        b.zolnierkie@...sung.com, chanwoo@...nel.org,
        myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        s.nawrocki@...sung.com, kgene@...nel.org
Subject: Re: [PATCH v2 2/2] memory: samsung: exynos5422-dmc: Add module param
 to control IRQ mode

On Fri, Jul 10, 2020 at 08:11:22PM +0100, Lukasz Luba wrote:
> The driver can operate in two modes relaying on devfreq monitoring
> mechanism which periodically checks the device status or it can use
> interrupts when they are provided by loaded Device Tree. The newly
> introduced module parameter can be used to choose between devfreq
> monitoring and internal interrupts without modifying the Device Tree.
> It also sets devfreq monitoring as default when the parameter is not set
> (also the case for default when the driver is not built as a module).
> 
> Reported-by: Willy Wolff <willy.mh.wolff.ml@...il.com>
> Signed-off-by: Lukasz Luba <lukasz.luba@....com>
> ---
>  drivers/memory/samsung/exynos5422-dmc.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof