linux-kernel - Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2

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Date:   Mon, 30 Jan 2017 09:36:49 +0100
From:   Lukasz Majewski <lukma@...x.de>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Sascha Hauer <s.hauer@...gutronix.de>,
        Stefan Agner <stefan@...er.ch>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        linux-pwm@...r.kernel.org,
        Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>,
        linux-kernel@...r.kernel.org,
        Lothar Wassmann <LW@...o-electronics.de>,
        kernel@...gutronix.de, Fabio Estevam <fabio.estevam@....com>,
        Lukasz Majewski <l.majewski@...ess.pl>
Subject: Re: [PATCH v5 03/11] pwm: imx: Add separate set of pwm ops for
 PWMv1 and PWMv2

Hi Thierry,

> On Mon, Jan 30, 2017 at 08:23:12AM +0100, Thierry Reding wrote:
> > On Sun, Jan 29, 2017 at 10:54:07PM +0100, Lukasz Majewski wrote:
> > > From: Lukasz Majewski <l.majewski@...ess.pl>
> > > 
> > > This patch provides separate set of pwm ops utilized by
> > > i.MX's PWMv1 and PWMv2.
> > > 
> > > Signed-off-by: Lothar Waßmann <LW@...O-electronics.de>
> > > Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
> > > Signed-off-by: Lukasz Majewski <l.majewski@...ess.pl>
> > > Acked-by: Shawn Guo <shawn.guo@...aro.org>
> > > Reviewed-by: Sascha Hauer <s.hauer@...gutronix.de>
> > > ---
> > > Changes for v5:
> > > - None
> > > 
> > > Changes for v4:
> > > - None
> > > 
> > > Changes for v3:
> > > - Adjust the code to work with ipg clock removed
> > > 
> > > Changes for v2:
> > > - New patch
> > > ---
> > >  drivers/pwm/pwm-imx.c | 17 ++++++++++++++---
> > >  1 file changed, 14 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c
> > > index b1d1e50..0fa480d 100644
> > > --- a/drivers/pwm/pwm-imx.c
> > > +++ b/drivers/pwm/pwm-imx.c
> > > @@ -239,7 +239,14 @@ static void imx_pwm_disable(struct pwm_chip
> > > *chip, struct pwm_device *pwm)
> > > clk_disable_unprepare(imx->clk_per); }
> > >  
> > > -static struct pwm_ops imx_pwm_ops = {
> > > +static struct pwm_ops imx_pwm_ops_v1 = {
> > > +	.enable = imx_pwm_enable,
> > > +	.disable = imx_pwm_disable,
> > > +	.config = imx_pwm_config,
> > > +	.owner = THIS_MODULE,
> > > +};
> > > +
> > > +static struct pwm_ops imx_pwm_ops_v2 = {
> > 
> > Can't these two be const? No need to respin for only this, just let
> > me know and I can make the change while applying.
> 
> Nevermind that. I just remembered that I had picked up a patch to make
> the original imx_pwm_ops a const and things still work fine if I make
> both of the above const, so I just had to manually apply your patch,
> but other than that it seems fine. Let me apply the rest of this set
> and push out. It'd be great if you could check afterwards that it's
> all still what you expect.

I will do that. Thanks for integrating the patch series :-).

> 
> Thierry


Best regards,

Lukasz Majewski

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