Re: [PATCHv7 14/18] I2C: OMAP: Use SET_RUNTIME_PM_OPS

[Felipe Balbi <balbi@ti.com>]

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On Wed, Apr 11, 2012 at 12:09:22PM +0000, Hebbar, Gururaja wrote:
> Bablpi,
> 
> On Wed, Apr 11, 2012 at 17:05:38, Balbi, Felipe wrote:
> > On Wed, Apr 11, 2012 at 04:42:52PM +0530, Shubhrajyoti D wrote:
> > > Use SET_RUNTIME_PM_OPS macro to set runtime functions.
> > > 
> > > Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
> > > ---
> > >  drivers/i2c/busses/i2c-omap.c |   11 ++++-------
> > >  1 files changed, 4 insertions(+), 7 deletions(-)
> > > 
> > > diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> > > index dd65416..28de1d2 100644
> > > --- a/drivers/i2c/busses/i2c-omap.c
> > > +++ b/drivers/i2c/busses/i2c-omap.c
> > > @@ -1217,15 +1217,12 @@ static int omap_i2c_runtime_resume(struct device *dev)
> > >  
> > >  	return 0;
> > >  }
> > > +#endif
> > >  
> > >  static struct dev_pm_ops omap_i2c_pm_ops = {
> > > -	.runtime_suspend = omap_i2c_runtime_suspend,
> > > -	.runtime_resume = omap_i2c_runtime_resume,
> > > +	SET_RUNTIME_PM_OPS(omap_i2c_runtime_suspend,
> > > +			   omap_i2c_runtime_resume, NULL)
> > >  };
> > > -#define OMAP_I2C_PM_OPS (&omap_i2c_pm_ops)
> > > -#else
> > > -#define OMAP_I2C_PM_OPS NULL
> > > -#endif
> > 
> > I think you should keep this define, otherwise the pm pointer will
> > always be valid.
> 
> No. using SET_RUNTIME_PM_OPS will make it NULL when !CONFIG_PM_RUNTIME
> Kindly correct me if I am wrong.

you will have a defined structure with NULL members, but the structure
itself is still valid.

-- 
balbi

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