> -Original Message-
> From: Dmitry Torokhov [mailto:dmitry.torok...@gmail.com]
> Sent: Saturday, January 2, 2021 6:55 PM
> To: Song Bao Hua (Barry Song)
> Cc: linux-in...@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH] Input: ar1021 - use IRQ
Hi Barry,
On Sat, Jan 02, 2021 at 05:29:02PM +1300, Barry Song wrote:
> disable_irq() after request_irq is unsafe as it gives a time gap which
> irq can come before disable_irq(). IRQ_NOAUTOEN is the common way to
> avoid enabling IRQ due to requesting IRQ.
Actually it is OK for the ISR to fire b
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