From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Alexander Stein <alexander.stein@systec-electronic.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
linux-gpio@vger.kernel.org
Subject: Re: [PATCH v2 1/1] pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
Date: Mon, 30 Jan 2017 13:51:49 +0200 [thread overview]
Message-ID: <20170130115149.GM17297@lahna.fi.intel.com> (raw)
In-Reply-To: <20170130113528.17838-1-alexander.stein@systec-electronic.com>
On Mon, Jan 30, 2017 at 12:35:28PM +0100, Alexander Stein wrote:
> According to VLI64 Intel Atom E3800 Specification Update (#329901)
> concurrent read accesses may result in returning 0xffffffff and write
> accesses may be dropped silently.
> To workaround all accesses must be protected by locks.
>
> Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Should probably go to stable as well.
next prev parent reply other threads:[~2017-01-30 11:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-30 11:35 [PATCH v2 1/1] pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler Alexander Stein
2017-01-30 11:51 ` Mika Westerberg [this message]
2017-02-01 7:47 ` Alexander Stein
2017-02-02 14:48 ` Linus Walleij
2017-01-30 14:53 ` Linus Walleij
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