[PATCH 2/4] ASoC: sgtl5000: defer the probe if clock is not found

[Mark Brown]

On Mon, Jul 01, 2013 at 04:16:09PM +0800, Shawn Guo wrote:
> It's not always the case that clock is already available when sgtl5000
> get probed at the first time, e.g. the clock is provided by CPU DAI
> which may be probed after sgtl5000.  So let's defer the probe when
> devm_clk_get() call fails and give it chance to try later.

Why not fix this in the clock API - the same logic is going to apply to
a great proportion of clocks?
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