linux-kernel - Re: [PATCH 04/10] of/i2c: Add support for I2C_CLIENT

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Message-ID: <20121005185643.GC12462@game.jcrosoft.org>
Date:	Fri, 5 Oct 2012 20:56:43 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss@...ts.ozlabs.org, linus.walleij@...ricsson.com,
	arnd@...db.de
Subject: Re: [PATCH 04/10] of/i2c: Add support for I2C_CLIENT_WAKE when
 booting with Device Tree

On 16:31 Fri 05 Oct     , Lee Jones wrote:
> It's important for wakeup sources such as keyboards, power buttons
> and the like to identify themselves as wakeup devices. Until now
> this has not been possible when platforms are booting via Device
> Tree.
> 
> Cc: Rob Herring <rob.herring@...xeda.com>
> Cc: devicetree-discuss@...ts.ozlabs.org
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/of/of_i2c.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
> index 1e173f3..2f20019 100644
> --- a/drivers/of/of_i2c.c
> +++ b/drivers/of/of_i2c.c
> @@ -61,6 +61,9 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
>  		info.of_node = of_node_get(node);
>  		info.archdata = &dev_ad;
>  
> +		if (of_get_property(node, "i2c-client-wake", NULL))
> +			info.flags |= I2C_CLIENT_WAKE;
use of_property_read_bool

Best Regards,
J.
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