Messages in this thread | | | Date | Thu, 11 Sep 2014 11:40:13 -0500 | From | atull <> | Subject | Re: [PATCH 4/4 v3] GPIO: gpio-dwapb: Suspend & Resume PM enabling |
| |
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; > +}; > +
| |