[SPAM] [PATCH 3/5] i2c: Add support for dynamic i2c bus numbers

[Jean-Christophe PLAGNIOL-VILLARD]

On 22:11 Mon 20 May     , Sascha Hauer wrote:
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
>  drivers/i2c/i2c.c | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/i2c/i2c.c b/drivers/i2c/i2c.c
> index 53a11fe..ddf0082 100644
> --- a/drivers/i2c/i2c.c
> +++ b/drivers/i2c/i2c.c
> @@ -384,8 +384,17 @@ int i2c_add_numbered_adapter(struct i2c_adapter *adapter)
>  {
>  	int ret;
>  
> -	if (i2c_get_adapter(adapter->nr))
> -		return -EBUSY;
> +	if (adapter->nr < 0) {
> +		int nr;
> +
> +		for (nr = 0;; nr++)
> +			if (!i2c_get_adapter(nr))
> +				break;
> +		adapter->nr = nr;
> +	} else {
> +		if (i2c_get_adapter(adapter->nr))
> +			return -EBUSY;
> +	}

I send a patch exactly the same on spi and you refuse it

Best Regards,
J.