RE: [PATCH 1/1] power: bq24617: Adding initial charger support

[Rhyland Klein <rklein@nvidia.com>]

> -----Original Message-----
> From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-
> owner@vger.kernel.org] On Behalf Of Rhyland Klein
> Sent: Wednesday, October 20, 2010 10:52 AM
> To: Mark Brown
> Cc: cboutatmailru@gmail.com; Andrew Chew; olof@lixom.net; linux-
> tegra@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: RE: [PATCH 1/1] power: bq24617: Adding initial charger support
> 
> > From: Mark Brown [mailto:broonie@opensource.wolfsonmicro.com]
> > Sent: Tuesday, October 19, 2010 8:03 PM
> > To: Rhyland Klein
> > Cc: cboutatmailru@gmail.com; Andrew Chew; olof@lixom.net; linux-
> > tegra@vger.kernel.org; linux-kernel@vger.kernel.org
> > Subject: Re: [PATCH 1/1] power: bq24617: Adding initial charger support
> >
> > On Tue, Oct 19, 2010 at 07:17:11PM -0700, rklein@nvidia.com wrote:
> > > From: Rhyland Klein <rklein@nvidia.com>
> > >
> > > Initial checkin adding basic support for the TI BQ24617 battery charger
> > on the
> > > Nvidia Tegra architecture.
> >
> > Why is this driver dependant on the CPU?  I can't see anything in the
> > code that makes it so.
> 
> In hindsight this isn't the most accurate statement. The driver itself is
> not dependent on the CPU, it is dependent on the platform design, and in
> particular requires the PG line to be piped in through a GPIO. Would it
> make more sense to make the driver dependent on GPIO instead?
>

Sorry for the confusion on this, I am removing the TEGRA dependency as it isn't necessary. 

 
> >
> > > +	if (old_status != -1 &&
> > > +		old_status != new_status) {
> > > +		dev_dbg(&chip->pdev->dev,
> > > +			"%s: %i -> %i\n", __func__, old_status,
> > > +			new_status);
> > > +		kobject_uevent(&chip->power_supply.dev->kobj, KOBJ_CHANGE);
> >
> > power_supply_changed().
> 
> Alright.
> 
> >
> > > +static irqreturn_t bq24617_irq_switch(int irq, void *devid)
> > > +{
> > > +	struct bq24617_info *chip = devid;
> > > +
> > > +	schedule_work(&chip->ac_work);
> > > +
> > > +	return IRQ_HANDLED;
> > > +}
> >
> > You're looking for a threaded IRQ handler here - use
> > request_threaded_irq() with no primary handler.
> 
> Alright I will look into this.
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/