RE: [PATCHv3 0/3] ftm-pwm: Convert to direct regmap API usage

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> -----Original Message-----
> From: Thierry Reding [mailto:thierry.reding@xxxxxxxxx]
> Sent: Monday, August 18, 2014 4:32 PM
> To: Xiubo Li-B47053
> Cc: linux-pwm@xxxxxxxxxxxxxxx; robh+dt@xxxxxxxxxx; pawel.moll@xxxxxxx;
> rdunlap@xxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-doc@xxxxxxxxxxxxxxx
> Subject: Re: [PATCHv3 0/3] ftm-pwm: Convert to direct regmap API usage
> 
> On Mon, Aug 18, 2014 at 11:32:32AM +0800, Xiubo Li wrote:
> >
> > This is depended on the following patches, which has been applied by
> > Mark into his Regmap-Tree:
> > https://lkml.org/lkml/2014/7/15/6
> > https://lkml.org/lkml/2014/7/15/5
> > https://lkml.org/lkml/2014/7/15/7
> 
> This doesn't seem to have any build dependencies on the above patches.

Yes, you are right.


> So with only this applied to the PWM tree at worst the registers will be
> accessed in the wrong endianess and the PWM won't work as expected. Does
> that matter? 

No, I think it's okay, we'll only test our drivers in the Linus's stable branch.



> Or should I request a stable branch from Mark to pull into
> the PWM tree so that this doesn't happen?
> 
> In linux-next things should be fine since both branches will be merged.
> I guess there could still be an issue depending on the order in which
> Linus merges the trees for 3.18, in which case there could be a brief
> period where Linus' tree runtime-breaks on platforms requiring this. But
> I'm not sure if that's really an issue.
> 

The depended patches has been merged into the Linux-next tree just now already
today.

And then could we guarantee that these ftm-pwm patches to be in order after the
depended ones ?

Thanks,

BRs
Xiubo


> Thierry
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