Re: [PATCH 2/2] mmc: sdhci-pxav3: Print ret value on error from sdhci_add_host() fn

[Vaibhav Hiremath]

On Wednesday 02 September 2015 02:07 AM, Joe Perches wrote:
> On Wed, 2015-09-02 at 00:54 +0530, Vaibhav Hiremath wrote:
> > Return value would give clear information about the actual root-cause
> > of the failure.
>
> I'm not sure why that is as nearly every error path in
> sdhci_add_host emits a message.

Not for everything.
No error message for -EPROBE_DEFER.

> > diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
> []
> > @@ -455,7 +455,7 @@ static int sdhci_pxav3_probe(struct platform_device *pdev)
> >
> >   	ret = sdhci_add_host(host);
> >   	if (ret) {
> > -		dev_err(&pdev->dev, "failed to add host\n");
> > +		dev_err(&pdev->dev, "failed to add host ret - %d\n", ret);
> >   		goto err_add_host;
> >   	}
>
> If this is really desirable, there are many other callers of
> sdhci_add_host with error messages just like this one.

Yes, true.
Ho about, adding pr_err into sdhci_add_host for -EPROBE_DEFER.

Thanks,
Vaibhav
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