linux-kernel - Re: [PATCH v8 2/4] i2c-smbus: add SMBus Host Notify support

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Message-ID: <20160617112630.GB6876@tetsubishi>
Date:	Fri, 17 Jun 2016 13:26:30 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Benjamin Tissoires <benjamin.tissoires@...hat.com>
Cc:	Jonathan Corbet <corbet@....net>, Corey Minyard <minyard@....org>,
	Jean Delvare <jdelvare@...e.de>,
	Guenter Roeck <linux@...ck-us.net>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Andrew Duggan <aduggan@...aptics.com>,
	Christopher Heiny <cheiny@...aptics.com>,
	linux-i2c@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v8 2/4] i2c-smbus: add SMBus Host Notify support

On Thu, Jun 09, 2016 at 04:53:48PM +0200, Benjamin Tissoires wrote:
> SMBus Host Notify allows a slave device to act as a master on a bus to
> notify the host of an interrupt. On Intel chipsets, the functionality
> is directly implemented in the firmware. We just need to export a
> function to call .alert() on the proper device driver.
> 
> i2c_handle_smbus_host_notify() behaves like i2c_handle_smbus_alert().
> When called, it schedules a task that will be able to sleep to go through
> the list of devices attached to the adapter.
> 
> The current implementation allows one Host Notification to be scheduled
> while an other is running.
> 
> Tested-by: Andrew Duggan <aduggan@...aptics.com>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>

Applied to for-next, thanks!


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