linux-kernel - Re: [PATCH v3 3/5] i2c: recovery: change input parameter to i2c_adapter for prepare/unprepare

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Date:	Thu, 12 Mar 2015 12:32:19 +0100
From:	Alexander Sverdlin <alexander.sverdlin@...ia.com>
To:	Grygorii Strashko <grygorii.strashko@...com>,
	Wolfram Sang <wsa@...-dreams.de>, Sekhar Nori <nsekhar@...com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
CC:	linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Kevin Hilman <khilman@...prootsystems.com>,
	Santosh Shilimkar <ssantosh@...nel.org>
Subject: Re: [PATCH v3 3/5] i2c: recovery: change input parameter to i2c_adapter
 for prepare/unprepare_recovery

Hi!

On 01/12/14 16:34, Grygorii Strashko wrote:
> This patch changes type of input parameter for .prepare/unprepare_recovery()
> callbacks from struct i2c_bus_recovery_info * to struct i2c_adapter *.
> This allows to simplify implementation of these callbacks and avoid
> type conversations from i2c_bus_recovery_info to i2c_adapter.
> The i2c_bus_recovery_info can be simply retrieved from struct i2c_adapter
> which contains pointer on it.
> 
> CC: Sekhar Nori <nsekhar@...com>
> CC: Kevin Hilman <khilman@...prootsystems.com>
> CC: Santosh Shilimkar <ssantosh@...nel.org>
> CC: Murali Karicheri <m-karicheri2@...com>
> Acked-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
> ---
>  drivers/i2c/i2c-core.c | 4 ++--
>  include/linux/i2c.h    | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
> index 2f90ac6..72b6e34 100644
> --- a/drivers/i2c/i2c-core.c
> +++ b/drivers/i2c/i2c-core.c
> @@ -563,7 +563,7 @@ static int i2c_generic_recovery(struct i2c_adapter *adap)
>  	int i = 0, val = 1, ret = 0;
>  
>  	if (bri->prepare_recovery)
> -		bri->prepare_recovery(bri);
> +		bri->prepare_recovery(adap);
>  
>  	/*
>  	 * By this time SCL is high, as we need to give 9 falling-rising edges
> @@ -588,7 +588,7 @@ static int i2c_generic_recovery(struct i2c_adapter *adap)
>  	}
>  
>  	if (bri->unprepare_recovery)
> -		bri->unprepare_recovery(bri);
> +		bri->unprepare_recovery(adap);
>  
>  	return ret;
>  }
> diff --git a/include/linux/i2c.h b/include/linux/i2c.h
> index b556e0a..cf9380f 100644
> --- a/include/linux/i2c.h
> +++ b/include/linux/i2c.h
> @@ -404,8 +404,8 @@ struct i2c_bus_recovery_info {
>  	void (*set_scl)(struct i2c_adapter *, int val);
>  	int (*get_sda)(struct i2c_adapter *);
>  
> -	void (*prepare_recovery)(struct i2c_bus_recovery_info *bri);
> -	void (*unprepare_recovery)(struct i2c_bus_recovery_info *bri);
> +	void (*prepare_recovery)(struct i2c_adapter *);
> +	void (*unprepare_recovery)(struct i2c_adapter *);
>  
>  	/* gpio recovery */
>  	int scl_gpio;
> 

Acked-by: Alexander Sverdlin <alexander.sverdlin@...ia.com>

-- 
Best regards,
Alexander Sverdlin.
Sent from my pdp-11
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