linux-kernel - Re: [PATCH v11 8/8] interconnect: sdm845: Fix build failure after cmd

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Message-ID: <fb5d11cd-6729-5521-c828-9bfeedba9ce0@linaro.org>
Date:   Fri, 7 Dec 2018 18:47:22 +0200
From:   Georgi Djakov <georgi.djakov@...aro.org>
To:     Quentin Perret <quentin.perret@....com>
Cc:     gregkh@...uxfoundation.org, linux-pm@...r.kernel.org,
        rjw@...ysocki.net, robh+dt@...nel.org, mturquette@...libre.com,
        khilman@...libre.com, vincent.guittot@...aro.org,
        skannan@...eaurora.org, bjorn.andersson@...aro.org,
        amit.kucheria@...aro.org, seansw@....qualcomm.com,
        daidavid1@...eaurora.org, evgreen@...omium.org,
        dianders@...omium.org, mark.rutland@....com,
        lorenzo.pieralisi@....com, abailon@...libre.com,
        maxime.ripard@...tlin.com, arnd@...db.de, thierry.reding@...il.com,
        ksitaraman@...dia.com, sanjayc@...dia.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v11 8/8] interconnect: sdm845: Fix build failure after
 cmd_db API change

Hi Quentin,

On 12/7/18 18:27, Quentin Perret wrote:
> Hi Georgi,
> 
> On Friday 07 Dec 2018 at 17:29:17 (+0200), Georgi Djakov wrote:
>> Recently the cmd_db_read_aux_data() function was changed to avoid using
>> memcpy and return a pointer instead. Update the code to the new API and
>> fix the build failure.
>>
>> Fixes: ed3cafa79ea7 ("soc: qcom: cmd-db: Stop memcpy()ing in cmd_db_read_aux_data()")
>> Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
>> ---
>>  drivers/interconnect/qcom/sdm845.c | 26 ++++++++++++++------------
> 
> IIUC this file is introduced by patch 5. Should the fix be squashed
> into patch 5 directly ? Just to keep things bisectable.

The reason why i have split it as a separate change is because as a
separate change it would be easier to review & test for the people who
are already familiar with the rest of the series.

Another minor reason is that a separate patch will also make the life a
bit easier for some people who are back-porting this to kernels using
the older version of the cmd_db API.

The commit that changed the cmd_db API is not yet in mainline, but in
linux-next. I am not sure what is preferred in this case?

Thanks,
Georgi