linux-4.4.1/of_platform_device_create_pdata() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• linux-4.4.1/of_platform_device_create_pdata() へ行く。
• linux-4.4.1/of_platform_device_create_pdata() の差分を削除

*参照元 [#a7c39a68]
#backlinks

*説明 [#ceae9bcd]
-パス: [[linux-4.4.1/drivers/of/platform.c]]

-FIXME: これは何？
--説明


**引数 [#e1ba0868]
-struct device_node *np
--
--[[linux-4.4.1/device_node]]
-const char *bus_id
--
-void *platform_data
--
-struct device *parent
--
--[[linux-4.4.1/device]]


**返り値 [#w3fa5c34]
-struct platform_device *
--
--[[linux-4.4.1/device]]


**参考 [#yc05c84c]


*実装 [#vdb349a9]
 /**
  * of_platform_device_create_pdata - Alloc, initialize and register an of_device
  * @np: pointer to node to create device for
  * @bus_id: name to assign device
  * @platform_data: pointer to populate platform_data pointer with
  * @parent: Linux device model parent device.
  *
  * Returns pointer to created platform device, or NULL if a device was not
  * registered.  Unavailable devices will not get registered.
  */
 static struct platform_device *of_platform_device_create_pdata(
                                         struct device_node *np,
                                         const char *bus_id,
                                         void *platform_data,
                                         struct device *parent)
 {
         struct platform_device *dev;
 
         if (!of_device_is_available(np) ||
             of_node_test_and_set_flag(np, OF_POPULATED))
                 return NULL;
 
-
--[[linux-4.4.1/of_device_is_available()]]
--[[linux-4.4.1/of_node_test_and_set_flag()]]

         dev = of_device_alloc(np, bus_id, parent);
         if (!dev)
                 goto err_clear_flag;
 
-
--[[linux-4.4.1/of_device_alloc()]]

         dev->dev.bus = &platform_bus_type;
         dev->dev.platform_data = platform_data;
         of_dma_configure(&dev->dev, dev->dev.of_node);
         of_msi_configure(&dev->dev, dev->dev.of_node);
 
-
--[[linux-4.4.1/platform_bus_type(global)]]
--[[linux-4.4.1/of_dma_configure()]]
--[[linux-4.4.1/of_msi_configure()]]

         if (of_device_add(dev) != 0) {
                 of_dma_deconfigure(&dev->dev);
                 platform_device_put(dev);
                 goto err_clear_flag;
         }
 
-
--[[linux-4.4.1/of_device_add()]]
--[[linux-4.4.1/of_dma_deconfigure()]]
--[[linux-4.4.1/platform_device_put()]]

         return dev;
 
 err_clear_flag:
         of_node_clear_flag(np, OF_POPULATED);
         return NULL;
-
--[[linux-4.4.1/of_node_clear_flag()]]

 }


*コメント [#nc5d0104]