linux-kernel - Re: [PATCH v3] i2c/mux: Driver for PCA9541 I2C Master Selector

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Date:	Thu, 21 Oct 2010 16:43:04 +0200
From:	Jean Delvare <khali@...ux-fr.org>
To:	Guenter Roeck <guenter.roeck@...csson.com>
Cc:	Ben Dooks <ben-linux@...ff.org>,
	Rodolfo Giometti <giometti@...ux.it>,
	<linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] i2c/mux: Driver for PCA9541 I2C Master Selector

On Tue, 19 Oct 2010 20:55:08 -0700, Guenter Roeck wrote:
> This patch adds support for PCA9541, an I2C Bus Master Selector.
> The driver is modeled as single channel I2C Multiplexer to be able to utilize
> the I2C multiplexer framework.
> 
> Signed-off-by: Guenter Roeck <guenter.roeck@...csson.com>
> Reviewed-by: Tom Grennan <tom.grennan@...csson.com>
> ---
> v3 changes:
> - Clarified and cleaned up comments.
> - No longer pass "struct i2c_adapter *" as parameter.
>   Get it from client->adapter if needed.
> - No longer pass "struct pca9541 *" as parameter. 
>   Pass "struct i2c_client *" instead and get "struct pca9541 *" from it
>   if needed.
> - Removed "struct i2c_client *client" from struct pca9541 since it is
>   no longer needed.
> - Moved "pca9541_release_bus(client);" ahead of i2c_add_mux_adapter()
>   to avoid a possible race condition. Also protect the call with
>   i2c_lock_adapter() / i2c_unlock_adapter().
> - Removed __devinit from pca9541_probe() and __devexit from pca9541_remove().

Applied, thanks.

Would you mind adding yourself to MAINTAINERS as a maintainer for this
driver? While the driver is small, it's not trivial and it's difficult
to work on it without the right hardware setup.

-- 
Jean Delvare
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