From: Greg Bean <gbean@codeaurora.org>
To: Daniel Walker <dwalker@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] msm: gpio: Add set_wake support to msm7200a-gpio's irq_chip.
Date: Tue, 06 Jul 2010 09:56:00 -0700 [thread overview]
Message-ID: <4C336020.3090206@codeaurora.org> (raw)
In-Reply-To: <1278434857.27490.2.camel@c-dwalke-linux.qualcomm.com>
>> Add power-management and irq_chip hooks to allow configuration
>> of msm-gpio irq lines as wakeup sources.
>
> What level of correlation is there between power management and the wake
> up hooks? Just irq_masks ?
When the system sleeps, gpio-based irqs which are not configured as wake-up
sources are disabled in the controller hardware to prevent latching and
unwanted wakeups.
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
WARNING: multiple messages have this Message-ID (diff)
From: gbean@codeaurora.org (Greg Bean)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] msm: gpio: Add set_wake support to msm7200a-gpio's irq_chip.
Date: Tue, 06 Jul 2010 09:56:00 -0700 [thread overview]
Message-ID: <4C336020.3090206@codeaurora.org> (raw)
In-Reply-To: <1278434857.27490.2.camel@c-dwalke-linux.qualcomm.com>
>> Add power-management and irq_chip hooks to allow configuration
>> of msm-gpio irq lines as wakeup sources.
>
> What level of correlation is there between power management and the wake
> up hooks? Just irq_masks ?
When the system sleeps, gpio-based irqs which are not configured as wake-up
sources are disabled in the controller hardware to prevent latching and
unwanted wakeups.
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
next prev parent reply other threads:[~2010-07-06 16:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-03 19:25 [PATCH v2] msm: gpio: Add set_wake support to msm7200a-gpio's irq_chip Gregory Bean
2010-07-03 19:25 ` Gregory Bean
2010-07-06 16:47 ` Daniel Walker
2010-07-06 16:47 ` Daniel Walker
2010-07-06 16:56 ` Greg Bean [this message]
2010-07-06 16:56 ` Greg Bean
2010-07-06 17:06 ` Daniel Walker
2010-07-06 17:06 ` Daniel Walker
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