diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/base.h | 4 | ||||
| -rw-r--r-- | drivers/base/power/resume.c | 3 | ||||
| -rw-r--r-- | drivers/base/power/shutdown.c | 2 | ||||
| -rw-r--r-- | drivers/base/power/suspend.c | 3 | ||||
| -rw-r--r-- | drivers/base/power/sysfs.c | 24 | ||||
| -rw-r--r-- | drivers/base/sys.c | 3 |
6 files changed, 26 insertions, 13 deletions
diff --git a/drivers/base/base.h b/drivers/base/base.h index e3b548d46cff..5735b38582d0 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -19,6 +19,10 @@ extern void bus_remove_driver(struct device_driver *); extern void driver_detach(struct device_driver * drv); extern int driver_probe_device(struct device_driver *, struct device *); +extern void sysdev_shutdown(void); +extern int sysdev_suspend(pm_message_t state); +extern int sysdev_resume(void); + static inline struct class_device *to_class_dev(struct kobject *obj) { return container_of(obj, struct class_device, kobj); diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c index 0a7aa07b9a2a..317edbf0feca 100644 --- a/drivers/base/power/resume.c +++ b/drivers/base/power/resume.c @@ -9,10 +9,9 @@ */ #include <linux/device.h> +#include "../base.h" #include "power.h" -extern int sysdev_resume(void); - /** * resume_device - Restore state for one device. diff --git a/drivers/base/power/shutdown.c b/drivers/base/power/shutdown.c index c2475f3134ea..8826a5b6673e 100644 --- a/drivers/base/power/shutdown.c +++ b/drivers/base/power/shutdown.c @@ -12,6 +12,7 @@ #include <linux/device.h> #include <asm/semaphore.h> +#include "../base.h" #include "power.h" #define to_dev(node) container_of(node, struct device, kobj.entry) @@ -28,7 +29,6 @@ extern struct subsystem devices_subsys; * they only get one called once when interrupts are disabled. */ -extern int sysdev_shutdown(void); /** * device_shutdown - call ->shutdown() on each device to shutdown. diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index 50501764d050..8660779fb288 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -9,10 +9,9 @@ */ #include <linux/device.h> +#include "../base.h" #include "power.h" -extern int sysdev_suspend(pm_message_t state); - /* * The entries in the dpm_active list are in a depth first order, simply * because children are guaranteed to be discovered after parents, and diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index f3a0c562bcb5..40d7242a07c1 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c @@ -27,22 +27,30 @@ static ssize_t state_show(struct device * dev, struct device_attribute *attr, char * buf) { - return sprintf(buf, "%u\n", dev->power.power_state.event); + if (dev->power.power_state.event) + return sprintf(buf, "2\n"); + else + return sprintf(buf, "0\n"); } static ssize_t state_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t n) { pm_message_t state; - char * rest; - int error = 0; + int error = -EINVAL; - state.event = simple_strtoul(buf, &rest, 10); - if (*rest) - return -EINVAL; - if (state.event) + state.event = PM_EVENT_SUSPEND; + /* Older apps expected to write "3" here - confused with PCI D3 */ + if ((n == 1) && !strcmp(buf, "3")) error = dpm_runtime_suspend(dev, state); - else + + if ((n == 1) && !strcmp(buf, "2")) + error = dpm_runtime_suspend(dev, state); + + if ((n == 1) && !strcmp(buf, "0")) { dpm_runtime_resume(dev); + error = 0; + } + return error ? error : n; } diff --git a/drivers/base/sys.c b/drivers/base/sys.c index 66ed8f2fece5..6fc23ab127bd 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -21,8 +21,11 @@ #include <linux/slab.h> #include <linux/string.h> #include <linux/pm.h> +#include <linux/device.h> #include <asm/semaphore.h> +#include "base.h" + extern struct subsystem devices_subsys; #define to_sysdev(k) container_of(k, struct sys_device, kobj) |