From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Fri, 22 Jun 2012 19:09:42 +0200
Subject: [U-Boot] [PATCH 18/24] mxc_i2c.c: finish adding
	CONFIG_I2C_MULTI_BUS support
In-Reply-To: <1340338339-11626-18-git-send-email-troy.kisky@boundarydevices.com>
References: <1340338339-11626-1-git-send-email-troy.kisky@boundarydevices.com>
	<1340338339-11626-18-git-send-email-troy.kisky@boundarydevices.com>
Message-ID: <201206221909.42758.marex@denx.de>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

Dear Troy Kisky,

> Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
> ---
>  drivers/i2c/mxc_i2c.c |   17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
> index 339bb6f..5d18752 100644
> --- a/drivers/i2c/mxc_i2c.c
> +++ b/drivers/i2c/mxc_i2c.c
> @@ -407,6 +407,23 @@ static void toggle_i2c(void *base)
>  		p->toggle_fn(p->toggle_data);
>  }
> 
> +#ifdef CONFIG_I2C_MULTI_BUS
> +unsigned int i2c_get_bus_num(void)
> +{
> +	return g_bus;

Is this global variable? If so, it won't work before relocation. And i2c can be 
enabled before relocation.

> +}
> +
> +int i2c_set_bus_num(unsigned bus_idx)
> +{
> +	if (bus_idx >= ARRAY_SIZE(g_parms))
> +		return -1;
> +	if (!g_parms[bus_idx].base)
> +		return -1;
> +	g_bus = bus_idx;
> +	return 0;
> +}
> +#endif
> +
>  int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
>  {
>  	return bus_i2c_read(get_base(), chip, addr, alen, buf, len);

Best regards,
Marek Vasut