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Date:   Wed, 24 Apr 2019 14:28:05 +0200
From:   Eugeniu Rosca <erosca@de.adit-jv.com>
To:     Jiada Wang <jiada_wang@mentor.com>
CC:     <rui.zhang@intel.com>, <edubezval@gmail.com>,
        <daniel.lezcano@linaro.org>, <linux-pm@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <horms+renesas@verge.net.au>,
        <niklas.soderlund+renesas@ragnatech.se>, <geert+renesas@glider.be>,
        <sergei.shtylyov@cogentembedded.com>,
        <marek.vasut+renesas@gmail.com>,
        <kuninori.morimoto.gx@renesas.com>, <hien.dang.eb@renesas.com>,
        <fabrizio.castro@bp.renesas.com>, <dien.pham.ry@renesas.com>,
        <biju.das@bp.renesas.com>, <george_davis@mentor.com>,
        <joshua_frkuska@mentor.com>, Eugeniu Rosca <erosca@de.adit-jv.com>,
        Eugeniu Rosca <roscaeugeniu@gmail.com>
Subject: Re: [PATCH v4 1/2] thermal: rcar_gen3_thermal: fix interrupt type
Message-ID: <20190424122805.GA22366@vmlxhi-102.adit-jv.com>
References: <20190424051145.23072-1-jiada_wang@mentor.com>
 <20190424051145.23072-2-jiada_wang@mentor.com>
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On Wed, Apr 24, 2019 at 02:11:44PM +0900, Jiada Wang wrote:
> Currently IRQF_SHARED type interrupt line is allocated, but it
> is not appropriate, as the interrupt line isn't shared between
> different devices, instead IRQF_ONESHOT is the proper type.
> 
> By changing interrupt type to IRQF_ONESHOT, now irq handler is
> no longer needed, as clear of interrupt status can be done in
> threaded interrupt context.
> 
> Because IRQF_ONESHOT type interrupt line is kept disabled until
> the threaded handler has been run, so there is no need to protect
> read/write of REG_GEN3_IRQSTR with lock.
> 
> Fixes: 7d4b269776ec6 ("enable hardware interrupts for trip points")
> Signed-off-by: Jiada Wang <jiada_wang@mentor.com>

Based on https://patchwork.kernel.org/cover/10914079/#22603533 :

Reviewed-and-Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>

Thanks!

-- 
Best regards,
Eugeniu.