On Tue, Mar 28, 2017 at 12:53:06PM +0100, Charles Keepax wrote:

On Tue, Mar 28, 2017 at 01:47:04PM +0300, Daniel Baluta wrote:

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-     codec_clk = devm_clk_get(&codec_dev->dev, NULL);
+     codec_clk = clk_get(&codec_dev->dev, NULL);

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is different from &codec_dev->dev.

I get that they are different, I just don't get why changing
from a devm_clk_get to a clk_get is a better fix than changing
&codec->dev to &pdev->dev.

This should be clear from the semantics of clk_get(): you're looking up
the clock in the context of the supplied device and the clock is
attached to the CODEC so you need to look up in the CODEC context.  What
would be even better would be to move the allocation of the clock into
the CODEC driver...