linux-kernel - Re: [PATCH v3 1/6] bus/ti-pwmss: move TI PWMSS driver from PWM to bus subsystem

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Message-ID: <20190908194447.GM52127@atomide.com>
Date:   Sun, 8 Sep 2019 12:44:48 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Jonathan Cameron <jic23@...23.retrosnub.co.uk>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        David Lechner <david@...hnology.com>,
        linux-iio@...r.kernel.org, linux-omap@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        William Breathitt Gray <vilhelm.gray@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pwm@...r.kernel.org
Subject: Re: [PATCH v3 1/6] bus/ti-pwmss: move TI PWMSS driver from PWM to
 bus subsystem

* Jonathan Cameron <jic23@...23.retrosnub.co.uk> [190908 11:16]:
> On Mon, 2 Sep 2019 17:02:45 +0200
> Thierry Reding <thierry.reding@...il.com> wrote:
> 
> > On Sun, Sep 01, 2019 at 05:58:22PM -0500, David Lechner wrote:
> > > The TI PWMSS driver is a simple bus driver for providing power
> > > power management for the PWM peripherals on TI AM33xx SoCs, namely
> > > eCAP, eHRPWM and eQEP. The eQEP is a counter rather than a PWM, so
> > > it does not make sense to have the bus driver in the PWM subsystem
> > > since the PWMSS is not exclusive to PWM devices.
> > > 
> > > Signed-off-by: David Lechner <david@...hnology.com>
> > > ---
> > > 
> > > v3 changes:
> > > - none
> > > v2 changes:
> > > - new patch
> > > 
> > >  drivers/bus/Kconfig                           | 9 +++++++++
> > >  drivers/bus/Makefile                          | 1 +
> > >  drivers/{pwm/pwm-tipwmss.c => bus/ti-pwmss.c} | 0
> > >  drivers/pwm/Kconfig                           | 9 ---------
> > >  drivers/pwm/Makefile                          | 1 -
> > >  5 files changed, 10 insertions(+), 10 deletions(-)
> > >  rename drivers/{pwm/pwm-tipwmss.c => bus/ti-pwmss.c} (100%)  
> > 
> > Acked-by: Thierry Reding <thierry.reding@...il.com>
> 
> Do we need an immutable branch for these precursor patches to the
> driver addition? It's not going to make 5.4 via my tree as cutting it
> too fine so we'll be in the position of holding these in a non obvious
> tree for a whole cycle. 

Sure an immutable branch would be nice in case of unlikely
dts file conflicts. And yeah no need to try to rush to v5.4.

Regards,

Tony