From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH] ARM: enable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA Date: Thu, 06 Sep 2012 12:28:18 -0600 Message-ID: <5048EB42.8020807@wwwdotorg.org> References: <1346861811-6597-1-git-send-email-swarren@wwwdotorg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1346861811-6597-1-git-send-email-swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Russell King , Bill Huang Cc: ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stephen Warren List-Id: linux-tegra@vger.kernel.org On 09/05/2012 10:16 AM, Stephen Warren wrote: > Even though system suspend/resume hasn't been validated on Tegra yet, > this Kconfig option needs to be enabled so that system shutdown is > reliable on an SMP system. Without it, I2C interrupts may be routed > to CPU0, whereas shutdown code may be running on CPU1, causing I2C > timeouts, preventing communication with the external PMIC. > > This reverts 3d5e8af "ARM: disable SUSPEND/ARCH_SUSPEND_POSSIBLE for > ARCH_TEGRA". Applied to Tegra's for-3.7/fixes branch.