add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mailbox/rockchip-mailbox.c
..
..
@@ -1,4 +1,4 @@
1
-// SPDX-License-Identifier:     GPL-2.0
1
+// SPDX-License-Identifier: GPL-2.0-only
2
2
 /*
3
3
  * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
4
4
  */
..
..
@@ -263,7 +263,7 @@
263
263
 		mb->mbox.chans[i].con_priv = &mb->chans[i];
264
264
 	}
265
265
 
266
-	ret = mbox_controller_register(&mb->mbox);
266
+	ret = devm_mbox_controller_register(&pdev->dev, &mb->mbox);
267
267
 	if (ret < 0) {
268
268
 		dev_err(&pdev->dev, "Failed to register mailbox: %d\n", ret);
269
269
 		goto disable_clk;
..
..
@@ -294,28 +294,23 @@
294
294
 	return ret;
295
295
 }
296
296
 
297
-static int rockchip_mbox_remove(struct platform_device *pdev)
298
-{
299
-	struct rockchip_mbox *mb = platform_get_drvdata(pdev);
300
-
301
-	if (!mb)
302
-		return -EINVAL;
303
-
304
-	mbox_controller_unregister(&mb->mbox);
305
-
306
-	return 0;
307
-}
308
-
309
297
 static struct platform_driver rockchip_mbox_driver = {
310
298
 	.probe	= rockchip_mbox_probe,
311
-	.remove	= rockchip_mbox_remove,
312
299
 	.driver = {
313
300
 		.name = "rockchip-mailbox",
314
301
 		.of_match_table = of_match_ptr(rockchip_mbox_of_match),
315
302
 	},
316
303
 };
317
304
 
305
+#if defined(CONFIG_ROCKCHIP_THUNDER_BOOT)
306
+static int __init rockchip_mbox_driver_init(void)
307
+{
308
+	return platform_driver_register(&rockchip_mbox_driver);
309
+}
310
+core_initcall(rockchip_mbox_driver_init);
311
+#else
318
312
 module_platform_driver(rockchip_mbox_driver);
313
+#endif
319
314
 
320
315
 MODULE_LICENSE("GPL v2");
321
316
 MODULE_DESCRIPTION("Rockchip mailbox: communicate between CPU cores and MCU");