Pull cpuidle into release branch
[firefly-linux-kernel-4.4.55.git] / drivers / spi / spi.c
index bcb8dd5fb0b48f745e13b5a9430d432360d5c2c8..b31f4431849b25e771d301f956b3afd31b00d2bf 100644 (file)
@@ -204,7 +204,7 @@ struct spi_device *spi_new_device(struct spi_master *master,
                                  struct spi_board_info *chip)
 {
        struct spi_device       *proxy;
-       struct device           *dev = master->cdev.dev;
+       struct device           *dev = master->dev.parent;
        int                     status;
 
        /* NOTE:  caller did any chip->bus_num checks necessary.
@@ -239,7 +239,7 @@ struct spi_device *spi_new_device(struct spi_master *master,
        proxy->modalias = chip->modalias;
 
        snprintf(proxy->dev.bus_id, sizeof proxy->dev.bus_id,
-                       "%s.%u", master->cdev.class_id,
+                       "%s.%u", master->dev.bus_id,
                        chip->chip_select);
        proxy->dev.parent = dev;
        proxy->dev.bus = &spi_bus_type;
@@ -338,18 +338,18 @@ static void scan_boardinfo(struct spi_master *master)
 
 /*-------------------------------------------------------------------------*/
 
-static void spi_master_release(struct class_device *cdev)
+static void spi_master_release(struct device *dev)
 {
        struct spi_master *master;
 
-       master = container_of(cdev, struct spi_master, cdev);
+       master = container_of(dev, struct spi_master, dev);
        kfree(master);
 }
 
 static struct class spi_master_class = {
        .name           = "spi_master",
        .owner          = THIS_MODULE,
-       .release        = spi_master_release,
+       .dev_release    = spi_master_release,
 };
 
 
@@ -357,7 +357,7 @@ static struct class spi_master_class = {
  * spi_alloc_master - allocate SPI master controller
  * @dev: the controller, possibly using the platform_bus
  * @size: how much zeroed driver-private data to allocate; the pointer to this
- *     memory is in the class_data field of the returned class_device,
+ *     memory is in the driver_data field of the returned device,
  *     accessible with spi_master_get_devdata().
  * Context: can sleep
  *
@@ -383,9 +383,9 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
        if (!master)
                return NULL;
 
-       class_device_initialize(&master->cdev);
-       master->cdev.class = &spi_master_class;
-       master->cdev.dev = get_device(dev);
+       device_initialize(&master->dev);
+       master->dev.class = &spi_master_class;
+       master->dev.parent = get_device(dev);
        spi_master_set_devdata(master, &master[1]);
 
        return master;
@@ -415,7 +415,7 @@ EXPORT_SYMBOL_GPL(spi_alloc_master);
 int spi_register_master(struct spi_master *master)
 {
        static atomic_t         dyn_bus_id = ATOMIC_INIT((1<<15) - 1);
-       struct device           *dev = master->cdev.dev;
+       struct device           *dev = master->dev.parent;
        int                     status = -ENODEV;
        int                     dynamic = 0;
 
@@ -440,12 +440,12 @@ int spi_register_master(struct spi_master *master)
        /* register the device, then userspace will see it.
         * registration fails if the bus ID is in use.
         */
-       snprintf(master->cdev.class_id, sizeof master->cdev.class_id,
+       snprintf(master->dev.bus_id, sizeof master->dev.bus_id,
                "spi%u", master->bus_num);
-       status = class_device_add(&master->cdev);
+       status = device_add(&master->dev);
        if (status < 0)
                goto done;
-       dev_dbg(dev, "registered master %s%s\n", master->cdev.class_id,
+       dev_dbg(dev, "registered master %s%s\n", master->dev.bus_id,
                        dynamic ? " (dynamic)" : "");
 
        /* populate children from any spi device tables */
@@ -457,10 +457,11 @@ done:
 EXPORT_SYMBOL_GPL(spi_register_master);
 
 
-static int __unregister(struct device *dev, void *unused)
+static int __unregister(struct device *dev, void *master_dev)
 {
        /* note: before about 2.6.14-rc1 this would corrupt memory: */
-       spi_unregister_device(to_spi_device(dev));
+       if (dev != master_dev)
+               spi_unregister_device(to_spi_device(dev));
        return 0;
 }
 
@@ -478,8 +479,9 @@ void spi_unregister_master(struct spi_master *master)
 {
        int dummy;
 
-       dummy = device_for_each_child(master->cdev.dev, NULL, __unregister);
-       class_device_unregister(&master->cdev);
+       dummy = device_for_each_child(master->dev.parent, &master->dev,
+                                       __unregister);
+       device_unregister(&master->dev);
 }
 EXPORT_SYMBOL_GPL(spi_unregister_master);
 
@@ -495,13 +497,13 @@ EXPORT_SYMBOL_GPL(spi_unregister_master);
  */
 struct spi_master *spi_busnum_to_master(u16 bus_num)
 {
-       struct class_device     *cdev;
+       struct device           *dev;
        struct spi_master       *master = NULL;
        struct spi_master       *m;
 
        down(&spi_master_class.sem);
-       list_for_each_entry(cdev, &spi_master_class.children, node) {
-               m = container_of(cdev, struct spi_master, cdev);
+       list_for_each_entry(dev, &spi_master_class.children, node) {
+               m = container_of(dev, struct spi_master, dev);
                if (m->bus_num == bus_num) {
                        master = spi_master_get(m);
                        break;