From: Mark Brown <broonie@kernel.org>
To: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Wolfram Sang <wsa@the-dreams.de>,
linux-i2c@vger.kernel.org, rjw@rjwysocki.net,
Aaron Lu <aaron.lu@intel.com>, Lv Zheng <lv.zheng@intel.com>,
Kevin Hilman <khilman@linaro.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v4] i2c: enable runtime PM for I2C adapter devices enumerated from ACPI
Date: Sat, 5 Oct 2013 11:31:06 +0100 [thread overview]
Message-ID: <20131005103106.GX27287@sirena.org.uk> (raw)
In-Reply-To: <20131005080901.GQ28875@intel.com>
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On Sat, Oct 05, 2013 at 11:09:01AM +0300, Mika Westerberg wrote:
> It looks like Windows actually powers the I2C controller off independently
> of the I2C client power state. We should probably do the same in Linux even
> though it is not following what the ACPI spec says (but makes sense with
> serial buses like I2C and SPI).
Sounds like it's probably worth going to the effort of getting the spec
amended...
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prev parent reply other threads:[~2013-10-05 10:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-30 14:43 [PATCH v3] runtime PM support for I2C adapter devices Mika Westerberg
2013-09-30 14:43 ` [PATCH v3] i2c: enable runtime PM for I2C adapter devices enumerated from ACPI Mika Westerberg
2013-09-30 17:20 ` Rafael J. Wysocki
2013-09-30 17:23 ` Rafael J. Wysocki
2013-09-30 18:59 ` Mika Westerberg
2013-10-01 9:52 ` Mika Westerberg
2013-10-01 13:09 ` [PATCH v4] " Mika Westerberg
2013-10-01 16:24 ` Rafael J. Wysocki
2013-10-05 8:09 ` Mika Westerberg
2013-10-05 10:31 ` Mark Brown [this message]
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