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Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r--drivers/i2c/i2c-core.c118
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);