Re: [PATCH v4] mfd: dm355evm_msp: Refactoring for add_child()

From: Lee Jones
Date: Tue Aug 09 2016 - 11:34:53 EST


On Tue, 09 Aug 2016, SF Markus Elfring wrote:

> > But the change-log in this patch says "I did some stuff".
> > What stuff did you change? Which review comments did you
> > tend to?
>
> I imagine that I could increase the description granularity
> to a detail level which you might also not like.

Right. A certain level of common sense needs to be exercised.

> >>>> +put_device:
> >>>> + platform_device_put(pdev);
> >>>> + dev_err(&client->dev, "failed to add device %s\n", name);
> >>>
> >>> ... and remove this line.
> >>
> >> Do you really want that this error message should be deleted?
> >>
> >> How does this response fit to your request to introduce such a message
> >> for the function "add_numbered_child" (on 2016-06-08)?
> >> https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1162299.html
> >> https://lkml.org/lkml/2016/6/8/467
> >
> > You've lost the context.
>
> I interpreted the suggested message adjustments as separate changes.
> So I wondered about a different handling for the Linux modules
> "dm355evm_msp" and "twl-core".

In what way? The coding standards should be the same.

> > The "..." is meant to intimate that it
> > follows on from a previous comment. In this case:
> >
> >> > status = platform_device_add_data(pdev, pdata, pdata_len);
> >> > if (status < 0) {
> >> > dev_dbg(&pdev->dev, "can't add platform_data\n");
> >>
> >> Please take the opportunity to convert these to dev_err()s.
> >
> > So, convert the specific dev_dbg() calls to dev_err() and remove the
> > contentless one at the bottom.
>
> It seems then that you would like to get rid of an error message
> at the end while increasing the importance of a related information.

Yes. Remove the pointless error message at the bottom and provide an
informative one, describing why things went wrong. Remember; common
sense often prevails.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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