i2c: core: Cleanup I2C ACPI namespace

[cascardo/linux.git] / drivers / i2c / i2c-core.c

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index b2b34a0..abe4136 100644 (file)
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -88,7 +88,7 @@ void i2c_transfer_trace_unreg(void)
 }
 
 #if defined(CONFIG_ACPI)
-struct acpi_i2c_handler_data {
+struct i2c_acpi_handler_data {
        struct acpi_connection_info info;
        struct i2c_adapter *adapter;
 };
@@ -103,15 +103,15 @@ struct gsb_buffer {
        };
 } __packed;
 
-struct acpi_i2c_lookup {
+struct i2c_acpi_lookup {
        struct i2c_board_info *info;
        acpi_handle adapter_handle;
        acpi_handle device_handle;
 };
 
-static int acpi_i2c_find_address(struct acpi_resource *ares, void *data)
+static int i2c_acpi_find_address(struct acpi_resource *ares, void *data)
 {
-       struct acpi_i2c_lookup *lookup = data;
+       struct i2c_acpi_lookup *lookup = data;
        struct i2c_board_info *info = lookup->info;
        struct acpi_resource_i2c_serialbus *sb;
        acpi_handle adapter_handle;
@@ -140,12 +140,12 @@ static int acpi_i2c_find_address(struct acpi_resource *ares, void *data)
        return 1;
 }
 
-static acpi_status acpi_i2c_add_device(acpi_handle handle, u32 level,
+static acpi_status i2c_acpi_add_device(acpi_handle handle, u32 level,
                                       void *data, void **return_value)
 {
        struct i2c_adapter *adapter = data;
        struct list_head resource_list;
-       struct acpi_i2c_lookup lookup;
+       struct i2c_acpi_lookup lookup;
        struct resource_entry *entry;
        struct i2c_board_info info;
        struct acpi_device *adev;
@@ -170,7 +170,7 @@ static acpi_status acpi_i2c_add_device(acpi_handle handle, u32 level,
         */
        INIT_LIST_HEAD(&resource_list);
        ret = acpi_dev_get_resources(adev, &resource_list,
-                                    acpi_i2c_find_address, &lookup);
+                                    i2c_acpi_find_address, &lookup);
        acpi_dev_free_resource_list(&resource_list);
 
        if (ret < 0 || !info.addr)
@@ -202,17 +202,17 @@ static acpi_status acpi_i2c_add_device(acpi_handle handle, u32 level,
        return AE_OK;
 }
 
-#define ACPI_I2C_MAX_SCAN_DEPTH 32
+#define I2C_ACPI_MAX_SCAN_DEPTH 32
 
 /**
- * acpi_i2c_register_devices - enumerate I2C slave devices behind adapter
+ * i2c_acpi_register_devices - enumerate I2C slave devices behind adapter
  * @adap: pointer to adapter
  *
  * Enumerate all I2C slave devices behind this adapter by walking the ACPI
  * namespace. When a device is found it will be added to the Linux device
  * model and bound to the corresponding ACPI handle.
  */
-static void acpi_i2c_register_devices(struct i2c_adapter *adap)
+static void i2c_acpi_register_devices(struct i2c_adapter *adap)
 {
        acpi_status status;
 
@@ -220,15 +220,15 @@ static void acpi_i2c_register_devices(struct i2c_adapter *adap)
                return;
 
        status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-                                    ACPI_I2C_MAX_SCAN_DEPTH,
-                                    acpi_i2c_add_device, NULL,
+                                    I2C_ACPI_MAX_SCAN_DEPTH,
+                                    i2c_acpi_add_device, NULL,
                                     adap, NULL);
        if (ACPI_FAILURE(status))
                dev_warn(&adap->dev, "failed to enumerate I2C slaves\n");
 }
 
 #else /* CONFIG_ACPI */
-static inline void acpi_i2c_register_devices(struct i2c_adapter *adap) { }
+static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { }
 #endif /* CONFIG_ACPI */
 
 #ifdef CONFIG_ACPI_I2C_OPREGION
@@ -293,12 +293,12 @@ static int acpi_gsb_i2c_write_bytes(struct i2c_client *client,
 }
 
 static acpi_status
-acpi_i2c_space_handler(u32 function, acpi_physical_address command,
+i2c_acpi_space_handler(u32 function, acpi_physical_address command,
                        u32 bits, u64 *value64,
                        void *handler_context, void *region_context)
 {
        struct gsb_buffer *gsb = (struct gsb_buffer *)value64;
-       struct acpi_i2c_handler_data *data = handler_context;
+       struct i2c_acpi_handler_data *data = handler_context;
        struct acpi_connection_info *info = &data->info;
        struct acpi_resource_i2c_serialbus *sb;
        struct i2c_adapter *adapter = data->adapter;
@@ -417,10 +417,10 @@ acpi_i2c_space_handler(u32 function, acpi_physical_address command,
 }
 
 
-static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
+static int i2c_acpi_install_space_handler(struct i2c_adapter *adapter)
 {
        acpi_handle handle;
-       struct acpi_i2c_handler_data *data;
+       struct i2c_acpi_handler_data *data;
        acpi_status status;
 
        if (!adapter->dev.parent)
@@ -431,7 +431,7 @@ static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
        if (!handle)
                return -ENODEV;
 
-       data = kzalloc(sizeof(struct acpi_i2c_handler_data),
+       data = kzalloc(sizeof(struct i2c_acpi_handler_data),
                            GFP_KERNEL);
        if (!data)
                return -ENOMEM;
@@ -445,7 +445,7 @@ static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
 
        status = acpi_install_address_space_handler(handle,
                                ACPI_ADR_SPACE_GSBUS,
-                               &acpi_i2c_space_handler,
+                               &i2c_acpi_space_handler,
                                NULL,
                                data);
        if (ACPI_FAILURE(status)) {
@@ -459,10 +459,10 @@ static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
        return 0;
 }
 
-static void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
+static void i2c_acpi_remove_space_handler(struct i2c_adapter *adapter)
 {
        acpi_handle handle;
-       struct acpi_i2c_handler_data *data;
+       struct i2c_acpi_handler_data *data;
        acpi_status status;
 
        if (!adapter->dev.parent)
@@ -475,7 +475,7 @@ static void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
 
        acpi_remove_address_space_handler(handle,
                                ACPI_ADR_SPACE_GSBUS,
-                               &acpi_i2c_space_handler);
+                               &i2c_acpi_space_handler);
 
        status = acpi_bus_get_private_data(handle, (void **)&data);
        if (ACPI_SUCCESS(status))
@@ -484,10 +484,10 @@ static void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
        acpi_bus_detach_private_data(handle);
 }
 #else /* CONFIG_ACPI_I2C_OPREGION */
-static inline void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
+static inline void i2c_acpi_remove_space_handler(struct i2c_adapter *adapter)
 { }
 
-static inline int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
+static inline int i2c_acpi_install_space_handler(struct i2c_adapter *adapter)
 { return 0; }
 #endif /* CONFIG_ACPI_I2C_OPREGION */
 
@@ -1657,8 +1657,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
 
        /* create pre-declared device nodes */
        of_i2c_register_devices(adap);
-       acpi_i2c_register_devices(adap);
-       acpi_i2c_install_space_handler(adap);
+       i2c_acpi_register_devices(adap);
+       i2c_acpi_install_space_handler(adap);
 
        if (adap->nr < __i2c_first_dynamic_bus_num)
                i2c_scan_static_board_info(adap);
@@ -1830,7 +1830,7 @@ void i2c_del_adapter(struct i2c_adapter *adap)
                return;
        }
 
-       acpi_i2c_remove_space_handler(adap);
+       i2c_acpi_remove_space_handler(adap);
        /* Tell drivers about this removal */
        mutex_lock(&core_lock);
        bus_for_each_drv(&i2c_bus_type, NULL, adap,