linux-kernel - Re: [RFC 06/10] thermal: samsung: Remove support for Exynos5440

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Date:   Thu, 26 Apr 2018 09:59:15 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Chanwoo Choi <cw00.choi@...sung.com>
Cc:     Kukjin Kim <kgene@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, Tejun Heo <tj@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Hans de Goede <hdegoede@...hat.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andi Shyti <andi@...zian.org>, Mark Brown <broonie@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-kernel@...ts.infradead.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-usb@...r.kernel.org,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        Jaehoon Chung <jh80.chung@...sung.com>
Subject: Re: [RFC 06/10] thermal: samsung: Remove support for Exynos5440

On Thu, Apr 26, 2018 at 3:41 AM, Chanwoo Choi <cw00.choi@...sung.com> wrote:
> Hi Krzysztof,
>
> On 2018년 04월 25일 05:32, Krzysztof Kozlowski wrote:
>> The Exynos5440 is not actively developed, there are no development
>> boards available and probably there are no real products with it.
>> Remove wide-tree support for Exynos5440.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
>> ---
>>  .../devicetree/bindings/thermal/exynos-thermal.txt |  14 +-
>>  drivers/thermal/samsung/exynos_tmu.c               | 155 +--------------------
>>  drivers/thermal/samsung/exynos_tmu.h               |   1 -
>>  3 files changed, 4 insertions(+), 166 deletions(-)
>
>
> After applied this patch, I tested the build and found out
> 'exynos5440' keyword. There is one comment including 'exynos5440' as following:
>
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index f92f470bce21..cb525228cfe1 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -943,7 +943,7 @@ static void exynos4210_tmu_clear_irqs(struct exynos_tmu_data *data)
>          * Exynos3250, Exynos4412, Exynos5250 and Exynos5260 incorrectly
>          * states that INTCLEAR register has a different placing of bits
>          * responsible for FALL IRQs than INTSTAT register.  Exynos5420
> -        * and Exynos5440 documentation is correct (Exynos4210 doesn't
> +        * documentation is correct (Exynos4210 doesn't
>          * support FALL IRQs at all).
>          */
>         writel(val_irq, data->base + tmu_intclear);
>
> After removing it, looks good to me.
> Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

Thanks, I left this comment intentionally as it has some meaning even
when Exynos5440 is not supported.

Best regards,
Krzysztof