diff options
| -rw-r--r-- | drivers/i2c/i2c-core-base.c | 84 | ||||
| -rw-r--r-- | include/linux/i2c.h | 2 |
2 files changed, 0 insertions, 86 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index ac7edcc1d5ee..9987e72752c4 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -313,14 +313,12 @@ static int i2c_smbus_host_notify_to_irq(const struct i2c_client *client) static int i2c_device_probe(struct device *dev) { struct i2c_client *client = i2c_verify_client(dev); - struct i2c_adapter *adap; struct i2c_driver *driver; int status; if (!client) return 0; - adap = client->adapter; driver = to_i2c_driver(dev->driver); client->irq = client->init_irq; @@ -386,12 +384,6 @@ static int i2c_device_probe(struct device *dev) dev_dbg(dev, "probe\n"); - status = regulator_enable(adap->bus_regulator); - if (status < 0) { - dev_err(&adap->dev, "Failed to enable power regulator\n"); - goto err_clear_wakeup_irq; - } - status = of_clk_set_defaults(dev->of_node, false); if (status < 0) goto err_clear_wakeup_irq; @@ -432,14 +424,12 @@ put_sync_adapter: static int i2c_device_remove(struct device *dev) { struct i2c_client *client = i2c_verify_client(dev); - struct i2c_adapter *adap; struct i2c_driver *driver; int status = 0; if (!client || !dev->driver) return 0; - adap = client->adapter; driver = to_i2c_driver(dev->driver); if (driver->remove) { dev_dbg(dev, "remove\n"); @@ -447,8 +437,6 @@ static int i2c_device_remove(struct device *dev) } dev_pm_domain_detach(&client->dev, true); - if (!pm_runtime_status_suspended(&client->dev)) - regulator_disable(adap->bus_regulator); dev_pm_clear_wake_irq(&client->dev); device_init_wakeup(&client->dev, false); @@ -460,72 +448,6 @@ static int i2c_device_remove(struct device *dev) return status; } -#ifdef CONFIG_PM_SLEEP -static int i2c_resume_early(struct device *dev) -{ - struct i2c_client *client = i2c_verify_client(dev); - struct i2c_adapter *adap = client->adapter; - int err; - - if (!pm_runtime_status_suspended(&client->dev)) { - err = regulator_enable(adap->bus_regulator); - if (err) - return err; - } - - return pm_generic_resume_early(&client->dev); -} - -static int i2c_suspend_late(struct device *dev) -{ - struct i2c_client *client = i2c_verify_client(dev); - struct i2c_adapter *adap = client->adapter; - int err; - - err = pm_generic_suspend_late(&client->dev); - if (err) - return err; - - if (!pm_runtime_status_suspended(&client->dev)) - return regulator_disable(adap->bus_regulator); - - return 0; -} -#endif - -#ifdef CONFIG_PM -static int i2c_runtime_resume(struct device *dev) -{ - struct i2c_client *client = i2c_verify_client(dev); - struct i2c_adapter *adap = client->adapter; - int err; - - err = regulator_enable(adap->bus_regulator); - if (err) - return err; - - return pm_generic_runtime_resume(&client->dev); -} - -static int i2c_runtime_suspend(struct device *dev) -{ - struct i2c_client *client = i2c_verify_client(dev); - struct i2c_adapter *adap = client->adapter; - int err; - - err = pm_generic_runtime_suspend(&client->dev); - if (err) - return err; - - return regulator_disable(adap->bus_regulator); -} -#endif - -static const struct dev_pm_ops i2c_device_pm = { - SET_LATE_SYSTEM_SLEEP_PM_OPS(i2c_suspend_late, i2c_resume_early) - SET_RUNTIME_PM_OPS(i2c_runtime_suspend, i2c_runtime_resume, NULL) -}; - static void i2c_device_shutdown(struct device *dev) { struct i2c_client *client = i2c_verify_client(dev); @@ -583,7 +505,6 @@ struct bus_type i2c_bus_type = { .probe = i2c_device_probe, .remove = i2c_device_remove, .shutdown = i2c_device_shutdown, - .pm = &i2c_device_pm, }; EXPORT_SYMBOL_GPL(i2c_bus_type); @@ -1422,11 +1343,6 @@ static int i2c_register_adapter(struct i2c_adapter *adap) if (res) goto out_reg; - adap->bus_regulator = devm_regulator_get(&adap->dev, "bus"); - if (IS_ERR(adap->bus_regulator)) { - res = PTR_ERR(adap->bus_regulator); - goto out_reg; - } dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name); pm_runtime_no_callbacks(&adap->dev); diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 7433aba207bd..49d29054e657 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -15,7 +15,6 @@ #include <linux/device.h> /* for struct device */ #include <linux/sched.h> /* for completion */ #include <linux/mutex.h> -#include <linux/regulator/consumer.h> #include <linux/rtmutex.h> #include <linux/irqdomain.h> /* for Host Notify IRQ */ #include <linux/of.h> /* for struct device_node */ @@ -716,7 +715,6 @@ struct i2c_adapter { const struct i2c_adapter_quirks *quirks; struct irq_domain *host_notify_domain; - struct regulator *bus_regulator; }; #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) |