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Date:   Thu, 10 Oct 2019 06:51:38 -0700
From:   Tony Lindgren <tony@atomide.com>
To:     Yi Zheng <goodmenzy@gmail.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>, linux-kernel@vger.kernel.org,
        Jason Cooper <jason@lakedaemon.net>,
        Sekhar Nori <nsekhar@ti.com>, Zheng Yi <yzheng@techyauld.com>
Subject: Re: Maybe a bug in kernel/irq/chip.c unmask_irq(), device IRQ masked
 unexpectedly. (re-formated the mail body, sorry)
Message-ID: <20191010135138.GU5610@atomide.com>
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* Yi Zheng <goodmenzy@gmail.com> [191010 06:22]:
> Hi
> 
>    My patch is canceled. I have tested that simple adjustment, the
> device IRQ masked unexpectedly. It seems that it is more easily to
> occur with that patch.
> 
> So, the root cause is not found yet.

OK. Based on your description, it could be a missing flush of a
posted write somewhere in the gpio-omap or intc path.

Regards,

Tony