Re: [PATCH 5/6] i2c: tegra: Add runtime power-management support

[Wolfram Sang]

> @@ -407,32 +410,39 @@ static inline int tegra_i2c_clock_enable(struct tegra_i2c_dev *i2c_dev)
>  			return ret;
>  		}
>  	}
> +
>  	ret = clk_enable(i2c_dev->div_clk);
>  	if (ret < 0) {
>  		dev_err(i2c_dev->dev,
>  			"Enabling div clk failed, err %d\n", ret);
>  		clk_disable(i2c_dev->fast_clk);
> +		return ret;
>  	}
> -	return ret;
> +
> +	return 0;

You could have left the original 'return' instead of the 2 new ones, but
you decide.

> -	if (tegra_i2c_flush_fifos(i2c_dev))
> -		err = -ETIMEDOUT;
> +	err = tegra_i2c_flush_fifos(i2c_dev);

'err' is assigned but where is it checked?

I'll apply patches 1-4 meanwhile.

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