linux-kernel - Re: [PATCH v4 10/30] thermal/drivers/exynos: Replace of_thermal_is_trip_valid() by thermal_zone_get

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Message-ID: <cdbe5e4b-b0b1-3539-2a9a-bbf87a4d8e92@linaro.org>
Date:   Fri, 23 Sep 2022 19:40:00 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>, rafael@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        rui.zhang@...el.com,
        Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        "open list:SAMSUNG THERMAL DRIVER" 
        <linux-samsung-soc@...r.kernel.org>,
        "moderated list:ARM/SAMSUNG S3C, S5P AND EXYNOS ARM ARCHITECTURES" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 10/30] thermal/drivers/exynos: Replace
 of_thermal_is_trip_valid() by thermal_zone_get_trip()


Hi Marek,

thanks for reporting

On 23/09/2022 16:09, Marek Szyprowski wrote:

[ ... ]

> Exception stack(0xf082dfb0 to 0xf082dff8)
> 
> [deadlock]
> 
> Something is wrong in locking in the functions from the above stacktrace.

Are you sure this deadlock is coming from this patch? Does a revert of 
this patch solve the issue ?

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