On Wed, Dec 14, 2011 at 04:55:27PM +0800, Barry Song wrote:
> +static int __devinit i2c_sirfsoc_probe(struct platform_device *pdev)
> +{
> + struct clk *clk;
> +
> + clk = clk_get(&pdev->dev, NULL);
> + err = clk_prepare(clk);
> + err = clk_enable(clk);
...
> + clk_disable(clk);
> +
> + dev_info(&pdev->dev, " I2C adapter ready to operate\n");
> +
> + return 0;
> +}
> +
> +static int __devexit i2c_sirfsoc_remove(struct platform_device *pdev)
> +{
> + clk_disable(siic->clk);
> + clk_unprepare(siic->clk);
> + clk_put(siic->clk);
This doesn't look right - look at the state which you leave the clk in
upon successful probe, and now look at what you do when you do a remove.
It seems that you disable an already disabled clock to me.
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