Re: [PATCH 1/2] mfd/axp20x: add support for extcon cell

[Lee Jones <lee.jones@linaro.org>]

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@intel.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.

> +		.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.

>  #endif /* __LINUX_MFD_AXP20X_H */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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