linux-kernel - Re: [PATCH v2 1/1] pinctrl: cherryview: Add missing spinlock usage in chv_gpio_irq

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Message-ID: <20200417090833.GO2586@lahna.fi.intel.com>
Date:   Fri, 17 Apr 2020 12:08:33 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Grace Kao <grace.kao@...el.com>
Cc:     linux-gpio@...r.kernel.org, Andy Shevchenko <andy@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, briannorris@...omium.org
Subject: Re: [PATCH v2 1/1] pinctrl: cherryview: Add missing spinlock usage
 in chv_gpio_irq_handler

On Fri, Apr 17, 2020 at 12:11:54PM +0800, Grace Kao wrote:
> According to Braswell NDA Specification Update (#557593),
> concurrent read accesses may result in returning 0xffffffff and write
> instructions may be dropped. We have an established format for the
> commit references, i.e.
> cdca06e4e859 ("pinctrl: baytrail: Add missing spinlock usage in
> byt_gpio_irq_handler")
> 
> Signed-off-by: Grace Kao <grace.kao@...el.com>
> Reported-by: Brian Norris <briannorris@...omium.org>
> Reviewed-by: Brian Norris <briannorris@...omium.org>

Acked-by: Mika Westerberg <mika.westerberg@...ux.intel.com>