Re: [PATCH 4/4 v3] GPIO: gpio-dwapb: Suspend & Resume PM enabling

[atull]

On Tue, 9 Sep 2014, Weike Chen wrote:

>  
>  struct dwapb_gpio;
> +struct dwapb_context;
>  
>  struct dwapb_gpio_port {
>  	struct bgpio_chip	bgc;
>  	bool			is_registered;
>  	struct dwapb_gpio	*gpio;
> +	struct dwapb_context	*ctx;

Alvin,

Will this build if CONFIG_PM_SLEEP is not defined?

Alan

> +	unsigned int		idx;
>  };
>  

>  struct dwapb_gpio {
> @@ -377,6 +380,7 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio,
>  
>  	port = &gpio->ports[offs];
>  	port->gpio = gpio;
> +	port->idx = pp->idx;
>  
>  	dat = gpio->regs + GPIO_EXT_PORTA + (pp->idx * GPIO_EXT_PORT_SIZE);
>  	set = gpio->regs + GPIO_SWPORTA_DR + (pp->idx * GPIO_SWPORT_DR_SIZE);
> @@ -584,10 +588,115 @@ static const struct of_device_id dwapb_of_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, dwapb_of_match);
>  
> +#ifdef CONFIG_PM_SLEEP
> +/* Store GPIO context across system-wide suspend/resume transitions */
> +struct dwapb_context {
> +	u32 data;
> +	u32 dir;
> +	u32 ext;
> +	u32 int_en;
> +	u32 int_mask;
> +	u32 int_type;
> +	u32 int_pol;
> +	u32 int_deb;
> +};
> +
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