From: Mark Brown <broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
To: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Greg Kroah-Hartman <gregkh-l3A5Bk7waGM@public.gmane.org>,
Jean Delvare <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>,
Ben Dooks <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>,
Jonathan Cameron <jic23-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Andrew Chew <achew-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devel-gWbeCf7V1WCQmaza687I9mD2FQJk+8+b@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c_client.
Date: Thu, 1 Sep 2011 18:37:56 +0100 [thread overview]
Message-ID: <20110901173756.GA13417@sirena.org.uk> (raw)
In-Reply-To: <1314895964-15964-5-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On Thu, Sep 01, 2011 at 10:52:41AM -0600, Stephen Warren wrote:
> Some devices use a single pin as both an IRQ and a GPIO. In that case,
> irq_gpio is the GPIO ID for that pin. Not all drivers use this feature.
> Where they do, and the use of this feature is optional, and the system
> wishes to disable this feature, this field must be explicitly set to a
> defined invalid GPIO ID, such as -1.
>
> Signed-off-by: Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
SPI could also benefit from this.
next prev parent reply other threads:[~2011-09-01 17:37 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-01 16:52 [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c_client Stephen Warren
2011-09-01 16:52 ` [PATCH V2 3/4] staging:iio:magnetometer:ak8975: Don't assume 0 is an invalid GPIO Stephen Warren
[not found] ` <1314895964-15964-3-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2011-09-02 8:51 ` Jonathan Cameron
2011-09-01 16:52 ` [PATCH V2 4/4] staging:iio:magnetometer:ak8975: Fix probe() error-handling Stephen Warren
[not found] ` <1314895964-15964-4-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2011-09-02 8:52 ` Jonathan Cameron
2011-09-01 16:52 ` [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c_client Stephen Warren
[not found] ` <1314895964-15964-5-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2011-09-01 17:37 ` Mark Brown [this message]
2011-09-02 8:48 ` Jonathan Cameron
2011-09-02 8:50 ` Jonathan Cameron
[not found] ` <4E60985B.6010901-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>
2011-09-02 15:30 ` Stephen Warren
[not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04B327A55D-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org>
2011-09-02 16:05 ` Arnd Bergmann
[not found] ` <201109021805.27569.arnd-r2nGTMty4D4@public.gmane.org>
2011-09-07 19:07 ` Mark Brown
2011-09-01 16:52 ` [PATCH V2 2/4] staging:iio:magnetometer:ak8975 Don't use irq_to_gpio() Stephen Warren
2011-09-01 16:52 ` [PATCH V2 3/4] staging:iio:magnetometer:ak8975: Don't assume 0 is an invalid GPIO Stephen Warren
[not found] ` <1314895964-15964-1-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2011-09-01 16:52 ` [PATCH V2 2/4] staging:iio:magnetometer:ak8975 Don't use irq_to_gpio() Stephen Warren
2011-09-01 16:52 ` [PATCH V2 4/4] staging:iio:magnetometer:ak8975: Fix probe() error-handling Stephen Warren
2011-09-01 18:30 ` [PATCH V2 1/4] i2c: Add irq_gpio field to struct i2c_client Arnd Bergmann
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