diff options
Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r-- | drivers/i2c/i2c-core.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 39d25a8cb1a..393bb0e8c8f 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -698,101 +698,6 @@ static void i2c_device_shutdown(struct device *dev) driver->shutdown(client); } -#ifdef CONFIG_PM_SLEEP -static int i2c_legacy_suspend(struct device *dev, pm_message_t mesg) -{ - struct i2c_client *client = i2c_verify_client(dev); - struct i2c_driver *driver; - - if (!client || !dev->driver) - return 0; - driver = to_i2c_driver(dev->driver); - if (!driver->suspend) - return 0; - return driver->suspend(client, mesg); -} - -static int i2c_legacy_resume(struct device *dev) -{ - struct i2c_client *client = i2c_verify_client(dev); - struct i2c_driver *driver; - - if (!client || !dev->driver) - return 0; - driver = to_i2c_driver(dev->driver); - if (!driver->resume) - return 0; - return driver->resume(client); -} - -static int i2c_device_pm_suspend(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - if (pm) - return pm_generic_suspend(dev); - else - return i2c_legacy_suspend(dev, PMSG_SUSPEND); -} - -static int i2c_device_pm_resume(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - if (pm) - return pm_generic_resume(dev); - else - return i2c_legacy_resume(dev); -} - -static int i2c_device_pm_freeze(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - if (pm) - return pm_generic_freeze(dev); - else - return i2c_legacy_suspend(dev, PMSG_FREEZE); -} - -static int i2c_device_pm_thaw(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - if (pm) - return pm_generic_thaw(dev); - else - return i2c_legacy_resume(dev); -} - -static int i2c_device_pm_poweroff(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - if (pm) - return pm_generic_poweroff(dev); - else - return i2c_legacy_suspend(dev, PMSG_HIBERNATE); -} - -static int i2c_device_pm_restore(struct device *dev) -{ - const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; - - if (pm) - return pm_generic_restore(dev); - else - return i2c_legacy_resume(dev); -} -#else /* !CONFIG_PM_SLEEP */ -#define i2c_device_pm_suspend NULL -#define i2c_device_pm_resume NULL -#define i2c_device_pm_freeze NULL -#define i2c_device_pm_thaw NULL -#define i2c_device_pm_poweroff NULL -#define i2c_device_pm_restore NULL -#endif /* !CONFIG_PM_SLEEP */ - static void i2c_client_dev_release(struct device *dev) { kfree(to_i2c_client(dev)); @@ -837,27 +742,12 @@ static const struct attribute_group *i2c_dev_attr_groups[] = { NULL }; -static const struct dev_pm_ops i2c_device_pm_ops = { - .suspend = i2c_device_pm_suspend, - .resume = i2c_device_pm_resume, - .freeze = i2c_device_pm_freeze, - .thaw = i2c_device_pm_thaw, - .poweroff = i2c_device_pm_poweroff, - .restore = i2c_device_pm_restore, - SET_RUNTIME_PM_OPS( - pm_generic_runtime_suspend, - pm_generic_runtime_resume, - NULL - ) -}; - struct bus_type i2c_bus_type = { .name = "i2c", .match = i2c_device_match, .probe = i2c_device_probe, .remove = i2c_device_remove, .shutdown = i2c_device_shutdown, - .pm = &i2c_device_pm_ops, }; EXPORT_SYMBOL_GPL(i2c_bus_type); @@ -1859,14 +1749,6 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) if (res) return res; - /* Drivers should switch to dev_pm_ops instead. */ - if (driver->suspend) - pr_warn("i2c-core: driver [%s] using legacy suspend method\n", - driver->driver.name); - if (driver->resume) - pr_warn("i2c-core: driver [%s] using legacy resume method\n", - driver->driver.name); - pr_debug("i2c-core: driver [%s] registered\n", driver->driver.name); INIT_LIST_HEAD(&driver->clients); |