linux-kernel - Re: [PATCH 0/2] gpiolib: add support for PCA9539

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Message-ID: <20071214171646.0fe5a876@hyperion.delvare>
Date:	Fri, 14 Dec 2007 17:16:46 +0100
From:	Jean Delvare <khali@...ux-fr.org>
To:	"eric miao" <eric.y.miao@...il.com>
Cc:	"Linux Kernel list" <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.arm.linux.org.uk>,
	i2c@...sensors.org, David Brownell <david-b@...bell.net>
Subject: Re: [PATCH 0/2] gpiolib: add support for PCA9539

Hi Eric,

On Mon, 10 Dec 2007 17:37:05 +0800, eric miao wrote:
> Support for PCA9539 as a GPIO chip is separated into two patches:
> 
> 0001 - gpiolib: basic support for 16-bit PCA9539 GPIO expander
> 0002 - gpiolib: add Generic IRQ support for 16-bit PCA9539 GPIO expander
> 
> the 2nd one uses workqueue for IRQ handling due to the interrupt mode
> nature of the i2c-core, thus making it a separate patch.

Note that the situation could change according to the discussion in
this thread:
http://lists.lm-sensors.org/pipermail/i2c/2007-December/002378.html

-- 
Jean Delvare
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