Re: [PATCH v8 3/4] gpiolib: add irq_not_threaded flag to gpio_chip

From: Alexandre Courbot
Date: Mon Oct 20 2014 - 01:09:03 EST


On Wed, Oct 15, 2014 at 11:48 PM, Octavian Purdila
<octavian.purdila@xxxxxxxxx> 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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