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Date:	Mon, 20 Oct 2014 14:08:38 +0900
From:	Alexandre Courbot <>
To:	Octavian Purdila <>
Cc:	Greg Kroah-Hartman <>,
	Linus Walleij <>,
	Wolfram Sang <>,
	Samuel Ortiz <>,
	Lee Jones <>,
	Arnd Bergmann <>, Johan Hovold <>,,,
	"" <>,
	Linux Kernel Mailing List <>,
	"" <>,
	"" <>
Subject: Re: [PATCH v8 3/4] gpiolib: add irq_not_threaded flag to gpio_chip

On Wed, Oct 15, 2014 at 11:48 PM, Octavian Purdila
<> wrote:
> Some GPIO chips (e.g. the DLN2 USB adapter) have blocking get/set
> operation but do not need a threaded irq handler.

Sorry if you already explained this (I have been a little bit late
with the GPIO reviews recently), but does this optimization bring a
significant benefit that justifies adding another field in struct
gpio_chip? If so it would be nice to have it in the commit message. If
not, do we need this at all?
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