linux-kernel - RE: [PATCH 1/2] mfd/axp20x: add support for extcon cell

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Message-ID: <D854C92F57B1B347B57E531E78D05EAD5780A585@BGSMSX104.gar.corp.intel.com>
Date:	Wed, 1 Apr 2015 16:33:38 +0000
From:	"Pallala, Ramakrishna" <ramakrishna.pallala@...el.com>
To:	Lee Jones <lee.jones@...aro.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"MyungJoo Ham" <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	"Samuel Ortiz" <sameo@...ux.intel.com>,
	Carlo Caione <carlo@...one.org>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: RE: [PATCH 1/2] mfd/axp20x: add support for extcon cell

> On Thu, 02 Apr 2015, Ramakrishna Pallala wrote:
> 
> > This patch adds the mfd cell info for axp288 extcon device.
> >
> > Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@...el.com>
> > ---
> >  drivers/mfd/axp20x.c       |   28 ++++++++++++++++++++++++++++
> >  include/linux/mfd/axp20x.h |    5 +++++
> >  2 files changed, 33 insertions(+)
> >
> > diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c index
> > 0acbe52..30af1a3 100644
> > --- a/drivers/mfd/axp20x.c
> > +++ b/drivers/mfd/axp20x.c
> > @@ -290,6 +290,29 @@ static struct resource axp288_adc_resources[] = {
> >  	},
> >  };
> >
> > +static struct resource axp288_extcon_resources[] = {
> > +	{
> > +		.start = AXP288_IRQ_VBUS_FALL,
> > +		.end   = AXP288_IRQ_VBUS_FALL,
> > +		.flags = IORESOURCE_IRQ,
> > +	},
> > +	{
> > +		.start = AXP288_IRQ_VBUS_RISE,
> > +		.end   = AXP288_IRQ_VBUS_RISE,
> > +		.flags = IORESOURCE_IRQ,
> > +	},
> > +	{
> > +		.start = AXP288_IRQ_MV_CHNG,
> > +		.end   = AXP288_IRQ_MV_CHNG,
> > +		.flags = IORESOURCE_IRQ,
> > +	},
> > +	{
> > +		.start = AXP288_IRQ_BC_USB_CHNG,
> > +		.end   = AXP288_IRQ_BC_USB_CHNG,
> > +		.flags = IORESOURCE_IRQ,
> > +	},
> > +};
> > +
> >  static struct resource axp288_charger_resources[] = {
> >  	{
> >  		.start = AXP288_IRQ_OV,
> > @@ -345,6 +368,11 @@ static struct mfd_cell axp288_cells[] = {
> >  		.resources = axp288_adc_resources,
> >  	},
> >  	{
> > +		.name = "extcon-axp288",
> 
> This naming convention is not consistent with the others in the container.
Ok agreed. I will fix it.


> > +		.num_resources = ARRAY_SIZE(axp288_extcon_resources),
> > +		.resources = axp288_extcon_resources,
> > +	},
> > +	{
> >  		.name = "axp288_charger",
> >  		.num_resources = ARRAY_SIZE(axp288_charger_resources),
> >  		.resources = axp288_charger_resources, diff --git
> > a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h index
> > dfabd6d..4ed8071 100644
> > --- a/include/linux/mfd/axp20x.h
> > +++ b/include/linux/mfd/axp20x.h
> > @@ -275,4 +275,9 @@ struct axp20x_fg_pdata {
> >  	int thermistor_curve[MAX_THERM_CURVE_SIZE][2];
> >  };
> >
> > +struct axp288_extcon_pdata {
> > +	/* GPIO pin control to switch D+/D- lines b/w PMIC and SOC */
> > +	struct gpio_desc *gpio_mux_cntl;
> > +};
> 
> Is this going to be added to?  Seems like overkill to have a struct with only one
> attribute.
Yes, I will be adding to this struct in future.

Thanks,
Ram