On Thu, Sep 19, 2013 at 11:49:57AM +0200, Jean-Francois Moine wrote: > priv->extclk = devm_clk_get(&pdev->dev, "extclk"); > - if (!IS_ERR(priv->extclk)) { > + if (IS_ERR(priv->extclk)) { > + if (np && of_property_match_string(np, "clock-names", "extclk") >= 0) > + return -EPROBE_DEFER; > + } else { This one really does seem like something the clock API ought to be doing, either as standard or with a separate helper - essentially every driver ought to be doing this for robustness. Doing it on general failures is more tricky but in the specific case where we know the clock should be present but we don't have the driver loaded yet.
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