linux-kernel - RE: [PATCH 3/3] pwm: ftm-pwm: Add big-endian support

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Date:	Mon, 28 Apr 2014 15:11:11 +0000
From:	"Li.Xiubo@...escale.com" <Li.Xiubo@...escale.com>
To:	Thierry Reding <thierry.reding@...il.com>
CC:	"linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>,
	"broonie@...nel.org" <broonie@...nel.org>,
	"swarren@...dia.com" <swarren@...dia.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 3/3] pwm: ftm-pwm: Add big-endian support


> > Now for the following scenarios:
> >
> >      SoC     |  CPU   | FTM-PWM | 'big-endian' property is needed?
> > -------------|--------|---------|---------------------------------
> >     Vybird   |  LE    |   LE    |     No
> >     LS1     |  LE    |   BE    |     Yes
> >     LS2     |  LE    |   LE    |     No
> >
> > Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com>
> > ---
> >  drivers/pwm/pwm-fsl-ftm.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> 
> And this should probably describe in text what happens. The table may
> look good, but you don't give a real description of what the change
> does.
> 

I will follow your advice.


> Oh, and doesn't this change need to update the device tree binding since
> you now have an additional property?
>

Yes, you are right. I just forgot it.

I will add update it.

Thanks very much.

BRs
XIubo

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