Re: [PATCH 2/2] ASoC: tegra: probe deferral error reporting

From: Mark Brown
Date: Sat Jul 21 2018 - 05:56:41 EST


On Fri, Jul 20, 2018 at 12:31:07PM +0000, Marcel Ziswiler wrote:
> On Fri, 2018-07-20 at 13:16 +0100, Mark Brown wrote:

> > > ac97->sync_gpio = of_get_named_gpio(pdev->dev.of_node,
> > > "nvidia,codec-sync-
> > > gpio", 0);
> > > if (!gpio_is_valid(ac97->sync_gpio)) {
> > > - dev_err(&pdev->dev, "no codec-sync GPIO
> > > supplied\n");
> > > + ret = ac97->sync_gpio;
> > > + dev_err(&pdev->dev, "no codec-sync GPIO supplied:
> > > %d\n", ret);
> > > goto err_clk_put;
> > > }

> > This isn't reporting an error code associated with the attempt to
> > find a
> > codec-sync GPIO, it's the result of some other operation.

> What exactly is then the of_get_named_gpio() above please doing if
> not getting the codec sync GPIO? I am not following you, sorry.

It's not in any way involved in setting the value of ret, whatever value
that has it's nothing to do with that operation.

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