linux-kernel - Re: [PATCH v2 3/5] thermal: imx: Add support for reading OCOTP through nvmem

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Date:   Tue, 8 Aug 2017 14:38:07 +0300
From:   Leonard Crestez <leonard.crestez@....com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Shawn Guo <shawnguo@...nel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Eduardo Valentin <edubezval@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Lothar Waßmann <LW@...O-electronics.de>,
        Dong Aisheng <aisheng.dong@....com>,
        Bai Ping <ping.bai@....com>, Anson Huang <Anson.Huang@....com>,
        Octavian Purdila <octavian.purdila@....com>,
        "Fabio Estevam" <fabio.estevam@....com>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/5] thermal: imx: Add support for reading OCOTP
 through nvmem

On Tue, 2017-08-08 at 12:00 +0100, Srinivas Kandagatla wrote:
> On 08/08/17 08:21, Zhang Rui wrote:
> > On Tue, 2017-07-25 at 16:08 +0800, Shawn Guo wrote:
> > > On Fri, Jul 14, 2017 at 05:11:08PM +0300, Leonard Crestez wrote:

> > > > On newer imx SOCs accessing OCOTP directly is wrong because the
> > > > ocotp clock
> > > > needs to be enabled first. Add support for reading those same
> > > > values through
> > > > the nvmem API instead.
> > > > 
> > > > The older path is preserved for compatibility with older dts and
> > > > because it
> > > > works correctly on imx6qdl chips.
> > > > 
> > > > Signed-off-by: Leonard Crestez <leonard.crestez@....com>
> > > Acked-by: Shawn Guo <shawnguo@...nel.org>

> > I'm okay with the thermal change.
> > We still need ACK for the nvmem changes in this patch series.

> NVMEM changes are already sent to Greg K H with other patches 
> (https://lkml.org/lkml/2017/7/26/164), should appear in next.

These patches have a compile-time dependency on each other. Wouldn't it
make more sense for the whole series to go through a single maintainer
tree, atomically? Most of the changes are in driver/thermal.

I'm really very confused about how series that touch multiple areas are
applied. It seems to be a mostly ad-hoc process.

--
Regards,
Leonard