linux-kernel - Re: [PATCH v2] i2c/designware: enable i2c controller to suspend/resume asynchronously

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Message-ID: <20160201155422.GC10607@tetsubishi>
Date:	Mon, 1 Feb 2016 16:54:22 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
	"Fu, Zhonghui" <zhonghui.fu@...ux.intel.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-i2c@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] i2c/designware: enable i2c controller to
 suspend/resume asynchronously


> > > device may be completed in separate kernel thread. PM core ensures
> > > all power state transition dependency between devices. This patch

I'd like an Ack on that from a PM maintainer, because I think chips like
PMICs are special and might not be covered by the generic case...

> Besides that we have to be really aware about DMA power related fix
> introduced in v4.5-rc1 in acpi_lpss.c [1]. So, I would like to see a
> wide testing especially on Intel Baytrail / Braswell platforms before
> enabling it.

And this one, too.


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