[U-Boot] [PATCH v2 4/7] i2c: at91_i2c: Remove unneccessary clock calling

[Heiko Schocher <hs@denx.de>]

Hello Wenyou Yang,

Am 18.09.2016 um 08:53 schrieb Wenyou Yang:
> Due to the peripheral clock driver improvement, remove the
> unneccessary clock calling.
>
> Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
> ---
>
> Changes in v2: None
>
>   drivers/i2c/at91_i2c.c | 16 ----------------
>   1 file changed, 16 deletions(-)

Reviewed-by: Heiko Schocher <hs@denx.de>

bye,
Heiko
>
> diff --git a/drivers/i2c/at91_i2c.c b/drivers/i2c/at91_i2c.c
> index 8e9c3ad..73f29e3 100644
> --- a/drivers/i2c/at91_i2c.c
> +++ b/drivers/i2c/at91_i2c.c
> @@ -176,34 +176,18 @@ static void at91_calc_i2c_clock(struct udevice *dev, int i2c_clk)
>   static int at91_i2c_enable_clk(struct udevice *dev)
>   {
>   	struct at91_i2c_bus *bus = dev_get_priv(dev);
> -	struct udevice *dev_clk;
>   	struct clk clk;
>   	ulong clk_rate;
> -	int periph;
>   	int ret;
>
>   	ret = clk_get_by_index(dev, 0, &clk);
>   	if (ret)
>   		return -EINVAL;
>
> -	periph = fdtdec_get_uint(gd->fdt_blob, clk.dev->of_offset, "reg", -1);
> -	if (periph < 0)
> -		return -EINVAL;
> -
> -	dev_clk = dev_get_parent(clk.dev);
> -	ret = clk_request(dev_clk, &clk);
> -	if (ret)
> -		return ret;
> -
> -	clk.id = periph;
>   	ret = clk_enable(&clk);
>   	if (ret)
>   		return ret;
>
> -	ret = clk_get_by_index(dev_clk, 0, &clk);
> -	if (ret)
> -		return ret;
> -
>   	clk_rate = clk_get_rate(&clk);
>   	if (!clk_rate)
>   		return -ENODEV;
>

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