linux-kernel - RE: [PATCH v2 2/3] arm: davinci: clock node support for ECAP & EHRPWM

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Date:	Wed, 20 Mar 2013 11:29:14 +0000
From:	"Philip, Avinash" <avinashphilip@...com>
To:	"Nori, Sekhar" <nsekhar@...com>
CC:	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	"Manjunathappa, Prakash" <prakash.pm@...com>
Subject: RE: [PATCH v2 2/3] arm: davinci: clock node support for ECAP &
 EHRPWM

On Wed, Mar 20, 2013 at 16:54:34, Nori, Sekhar wrote:
> On 3/20/2013 12:11 PM, Philip Avinash wrote:
> > Add clock node support for ECAP and EHRPWM modules.
> > Also adds TBCLK for EHRWPM TBCLK to comply with pwm-tiehrpwm
> > driver.
> > 
> > Signed-off-by: Philip Avinash <avinashphilip@...com>
> > ---
> > Changes Since v1:
> > 	- TBCLK make it as actual clock with enable/disable feature.
> > 
> > :100644 100644 0c4a26d... dbed75c... M	arch/arm/mach-davinci/da850.c
> > :100644 100644 de439b7... be77ce2... M	arch/arm/mach-davinci/include/mach/da8xx.h
> >  arch/arm/mach-davinci/da850.c              |   46 ++++++++++++++++++++++++++++
> >  arch/arm/mach-davinci/include/mach/da8xx.h |    1 +
> >  2 files changed, 47 insertions(+)
> > 
> > diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
> > index 0c4a26d..dbed75c 100644
> > --- a/arch/arm/mach-davinci/da850.c
> > +++ b/arch/arm/mach-davinci/da850.c
> > @@ -383,6 +383,49 @@ static struct clk dsp_clk = {
> >  	.flags		= PSC_LRST | PSC_FORCE,
> >  };
> >  
> > +static struct clk ehrpwm_clk = {
> > +	.name		= "ehrpwm",
> > +	.parent		= &pll0_sysclk2,
> > +	.lpsc		= DA8XX_LPSC1_PWM,
> > +	.gpsc		= 1,
> > +	.flags		= DA850_CLK_ASYNC3,
> > +};
> > +
> > +#define DA8XX_EHRPWM_TBCLKSYNC	BIT(12)
> > +
> > +void tblck_enable(struct clk *clk)
> 
> This should be static. Also, since tbclk is associated with ehrpwm,
> please call the function ehrpwm_tbclk_enable().

Ok I will correct it.

Thanks
Avinash
> 
> > +{
> > +	u32 val;
> > +
> > +	val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
> > +	val |= DA8XX_EHRPWM_TBCLKSYNC;
> > +	writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
> > +}
> > +
> > +void tblck_disable(struct clk *clk)
> 
> Same comment as above applies.
> 
> Thanks,
> Sekhar
>