diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 29d2a1b4b46..7161f913de1 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -39,7 +39,7 @@ #include "i2c-core.h" -static DEFINE_MUTEX(core_lists); +static DEFINE_MUTEX(core_lock); static DEFINE_IDR(i2c_adapter_idr); #define is_newstyle_driver(d) ((d)->probe || (d)->remove) @@ -339,7 +339,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap) mutex_init(&adap->clist_lock); INIT_LIST_HEAD(&adap->clients); - mutex_lock(&core_lists); + mutex_lock(&core_lock); /* Add the adapter to the driver core. * If the parent pointer is not set up, @@ -368,7 +368,7 @@ static int i2c_register_adapter(struct i2c_adapter *adap) i2c_do_add_adapter); out_unlock: - mutex_unlock(&core_lists); + mutex_unlock(&core_lock); return res; out_list: @@ -397,11 +397,11 @@ retry: if (idr_pre_get(&i2c_adapter_idr, GFP_KERNEL) == 0) return -ENOMEM; - mutex_lock(&core_lists); + mutex_lock(&core_lock); /* "above" here means "above or equal to", sigh */ res = idr_get_new_above(&i2c_adapter_idr, adapter, __i2c_first_dynamic_bus_num, &id); - mutex_unlock(&core_lists); + mutex_unlock(&core_lock); if (res < 0) { if (res == -EAGAIN) @@ -446,7 +446,7 @@ retry: if (idr_pre_get(&i2c_adapter_idr, GFP_KERNEL) == 0) return -ENOMEM; - mutex_lock(&core_lists); + mutex_lock(&core_lock); /* "above" here means "above or equal to", sigh; * we need the "equal to" result to force the result */ @@ -455,7 +455,7 @@ retry: status = -EBUSY; idr_remove(&i2c_adapter_idr, id); } - mutex_unlock(&core_lists); + mutex_unlock(&core_lock); if (status == -EAGAIN) goto retry; @@ -494,7 +494,7 @@ int i2c_del_adapter(struct i2c_adapter *adap) struct i2c_client *client; int res = 0; - mutex_lock(&core_lists); + mutex_lock(&core_lock); /* First make sure that this adapter was ever added */ if (idr_find(&i2c_adapter_idr, adap->nr) != adap) { @@ -546,7 +546,7 @@ int i2c_del_adapter(struct i2c_adapter *adap) dev_dbg(&adap->dev, "adapter [%s] unregistered\n", adap->name); out_unlock: - mutex_unlock(&core_lists); + mutex_unlock(&core_lock); return res; } EXPORT_SYMBOL(i2c_del_adapter); @@ -589,7 +589,7 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) if (res) return res; - mutex_lock(&core_lists); + mutex_lock(&core_lock); pr_debug("i2c-core: driver [%s] registered\n", driver->driver.name); @@ -605,7 +605,7 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) up(&i2c_adapter_class.sem); } - mutex_unlock(&core_lists); + mutex_unlock(&core_lock); return 0; } EXPORT_SYMBOL(i2c_register_driver); @@ -621,7 +621,7 @@ void i2c_del_driver(struct i2c_driver *driver) struct i2c_client *client; struct i2c_adapter *adap; - mutex_lock(&core_lists); + mutex_lock(&core_lock); /* new-style driver? */ if (is_newstyle_driver(driver)) @@ -662,7 +662,7 @@ void i2c_del_driver(struct i2c_driver *driver) driver_unregister(&driver->driver); pr_debug("i2c-core: driver [%s] unregistered\n", driver->driver.name); - mutex_unlock(&core_lists); + mutex_unlock(&core_lock); } EXPORT_SYMBOL(i2c_del_driver); @@ -1121,12 +1121,12 @@ struct i2c_adapter* i2c_get_adapter(int id) { struct i2c_adapter *adapter; - mutex_lock(&core_lists); + mutex_lock(&core_lock); adapter = (struct i2c_adapter *)idr_find(&i2c_adapter_idr, id); if (adapter && !try_module_get(adapter->owner)) adapter = NULL; - mutex_unlock(&core_lists); + mutex_unlock(&core_lock); return adapter; } EXPORT_SYMBOL(i2c_get_adapter); |