From: Wolfram Sang <wsa@the-dreams.de>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>,
Javier Martinez Canillas <javier@osg.samsung.com>,
linux-i2c@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Marek Szyprowski <m.szyprowski@samsung.com>
Subject: Re: [PATCH v2] i2c: exynos5: disable fifo-almost-empty irq signal when necessary
Date: Thu, 23 Feb 2017 13:03:04 +0100 [thread overview]
Message-ID: <20170223120303.uupbr2zkidcotydp@ninjato> (raw)
In-Reply-To: <1487758280-22801-1-git-send-email-a.hajda@samsung.com>
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On Wed, Feb 22, 2017 at 11:11:20AM +0100, Andrzej Hajda wrote:
> Fifo-almost-empty irq signal should be disabled as soon as possible,
> to avoid unnecessary interrupt storm. The best moment is when there is
> no more data to feed fifo.
> This patch fixes system stalls caused by IRQ storm.
>
> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Applied to for-next (will be in this merge window), thanks!
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prev parent reply other threads:[~2017-02-23 12:03 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170222101123eucas1p25482d192dd5d119aaf6ddc15a01c60c0@eucas1p2.samsung.com>
2017-02-22 10:11 ` [PATCH v2] i2c: exynos5: disable fifo-almost-empty irq signal when necessary Andrzej Hajda
2017-02-22 11:10 ` Marek Szyprowski
2017-02-23 6:31 ` Andi Shyti
2017-02-23 12:03 ` Wolfram Sang [this message]
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