Re: [PATCH 4/4 v3] GPIO: gpio-dwapb: Suspend & Resume PM enabling
From: atull <hidden>
Date: 2014-09-11 17:01:43
Also in:
linux-gpio, lkml
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; };
quoted hunk ↗ jump to hunk
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; +}; +