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[5.150.229.118]) by smtp.gmail.com with ESMTPSA id a18-v6sm6044145ljk.80.2018.10.11.05.43.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 11 Oct 2018 05:43:35 -0700 (PDT) Date: Thu, 11 Oct 2018 14:43:33 +0200 From: Niklas Cassel To: Taniya Das Cc: "Rafael J. Wysocki" , Viresh Kumar , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Stephen Boyd , Rajendra Nayak , devicetree@vger.kernel.org, robh@kernel.org, skannan@codeaurora.org, linux-arm-msm@vger.kernel.org, amit.kucheria@linaro.org, evgreen@google.com Subject: Re: [PATCH v8 2/2] cpufreq: qcom-hw: Add support for QCOM cpufreq HW driver Message-ID: <20181011124333.GA10790@centauri.lan> References: <1537698793-15285-1-git-send-email-tdas@codeaurora.org> <1537698793-15285-3-git-send-email-tdas@codeaurora.org> <20181004210407.GB7926@centauri.lan> <40719973-21a0-120d-7193-8e6287cbbd18@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <40719973-21a0-120d-7193-8e6287cbbd18@codeaurora.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 patch. 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, Niklas