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SubjectRe: [PATCH v8 2/2] cpufreq: qcom-hw: Add support for QCOM cpufreq HW driver
On Thu, Oct 11, 2018 at 04:45:25PM +0530, Taniya Das wrote:

> > WARNING: Duplicate signature
> > #370:
> > Signed-off-by: Taniya Das <>
> >
> > If you are more than one author, you can use the Co-Developed-by tag.
> >
> Hmm, I do see multiple SOBs being used and merged.

From Documentation/process/submitting-patches.rst:

A Co-Developed-by: states that the patch was also created by another developer
along with the original author. This is useful at times when multiple people
work on a single patch. Note, this person also needs to have a Signed-off-by:
line in the patch as well.

So it is not wrong to have two Signed-off-bys, just that
having the Co-Developed-by tag clearly shows that there
was more than one author.

Without the Co-Developed-by tag, the second Signed-off-by tag
is ambiguous, since the seconds Signed-off-by tag might just
have meant that that person was in the delivery chain of the

I think that the Co-Developed-by tag is optional, so if the
co-developer doesn't care about taking credit, it can probably
be skipped.

Kind regards,

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