From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/include/linux/platform_device.h | 103 +++++++++++++++++++++------------------------------
1 files changed, 42 insertions(+), 61 deletions(-)
diff --git a/kernel/include/linux/platform_device.h b/kernel/include/linux/platform_device.h
index 67d1bca..72b8a95 100644
--- a/kernel/include/linux/platform_device.h
+++ b/kernel/include/linux/platform_device.h
@@ -1,17 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* platform_device.h - generic, centralized driver model
*
* Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
*
- * This file is released under the GPLv2
- *
- * See Documentation/driver-model/ for more information.
+ * See Documentation/driver-api/driver-model/ for more information.
*/
#ifndef _PLATFORM_DEVICE_H_
#define _PLATFORM_DEVICE_H_
#include <linux/device.h>
+#include <linux/android_kabi.h>
#define PLATFORM_DEVID_NONE (-1)
#define PLATFORM_DEVID_AUTO (-2)
@@ -25,6 +25,8 @@
int id;
bool id_auto;
struct device dev;
+ u64 platform_dma_mask;
+ struct device_dma_parameters dma_parms;
u32 num_resources;
struct resource *resource;
@@ -36,10 +38,14 @@
/* arch specific additions */
struct pdev_archdata archdata;
+
+ ANDROID_KABI_RESERVE(1);
+ ANDROID_KABI_RESERVE(2);
};
#define platform_get_device_id(pdev) ((pdev)->id_entry)
+#define dev_is_platform(dev) ((dev)->bus == &platform_bus_type)
#define to_platform_device(x) container_of((x), struct platform_device, dev)
extern int platform_device_register(struct platform_device *);
@@ -48,26 +54,38 @@
extern struct bus_type platform_bus_type;
extern struct device platform_bus;
-extern void arch_setup_pdev_archdata(struct platform_device *);
extern struct resource *platform_get_resource(struct platform_device *,
unsigned int, unsigned int);
+extern struct device *
+platform_find_device_by_driver(struct device *start,
+ const struct device_driver *drv);
extern void __iomem *
devm_platform_get_and_ioremap_resource(struct platform_device *pdev,
unsigned int index, struct resource **res);
extern void __iomem *
devm_platform_ioremap_resource(struct platform_device *pdev,
unsigned int index);
+extern void __iomem *
+devm_platform_ioremap_resource_wc(struct platform_device *pdev,
+ unsigned int index);
+extern void __iomem *
+devm_platform_ioremap_resource_byname(struct platform_device *pdev,
+ const char *name);
extern int platform_get_irq(struct platform_device *, unsigned int);
+extern int platform_get_irq_optional(struct platform_device *, unsigned int);
extern int platform_irq_count(struct platform_device *);
extern struct resource *platform_get_resource_byname(struct platform_device *,
unsigned int,
const char *);
extern int platform_get_irq_byname(struct platform_device *, const char *);
+extern int platform_get_irq_byname_optional(struct platform_device *dev,
+ const char *name);
extern int platform_add_devices(struct platform_device **, int);
struct platform_device_info {
struct device *parent;
struct fwnode_handle *fwnode;
+ bool of_node_reused;
const char *name;
int id;
@@ -79,7 +97,9 @@
size_t size_data;
u64 dma_mask;
- struct property_entry *properties;
+ const struct property_entry *properties;
+
+ ANDROID_KABI_RESERVE(1);
};
extern struct platform_device *platform_device_register_full(
const struct platform_device_info *pdevinfo);
@@ -192,6 +212,8 @@
struct device_driver driver;
const struct platform_device_id *id_table;
bool prevent_deferred_probe;
+
+ ANDROID_KABI_RESERVE(1);
};
#define to_platform_driver(drv) (container_of((drv), struct platform_driver, \
@@ -233,10 +255,6 @@
#define module_platform_driver(__platform_driver) \
module_driver(__platform_driver, platform_driver_register, \
platform_driver_unregister)
-
-#define module_platform_driver1(__platform_driver) \
- module_driver1(__platform_driver, platform_driver_register, \
- platform_driver_unregister)
/* builtin_platform_driver() - Helper macro for builtin drivers that
* don't do anything special in driver init. This eliminates some
@@ -294,58 +312,6 @@
#define platform_register_drivers(drivers, count) \
__platform_register_drivers(drivers, count, THIS_MODULE)
-/* early platform driver interface */
-struct early_platform_driver {
- const char *class_str;
- struct platform_driver *pdrv;
- struct list_head list;
- int requested_id;
- char *buffer;
- int bufsize;
-};
-
-#define EARLY_PLATFORM_ID_UNSET -2
-#define EARLY_PLATFORM_ID_ERROR -3
-
-extern int early_platform_driver_register(struct early_platform_driver *epdrv,
- char *buf);
-extern void early_platform_add_devices(struct platform_device **devs, int num);
-
-static inline int is_early_platform_device(struct platform_device *pdev)
-{
- return !pdev->dev.driver;
-}
-
-extern void early_platform_driver_register_all(char *class_str);
-extern int early_platform_driver_probe(char *class_str,
- int nr_probe, int user_only);
-extern void early_platform_cleanup(void);
-
-#define early_platform_init(class_string, platdrv) \
- early_platform_init_buffer(class_string, platdrv, NULL, 0)
-
-#ifndef MODULE
-#define early_platform_init_buffer(class_string, platdrv, buf, bufsiz) \
-static __initdata struct early_platform_driver early_driver = { \
- .class_str = class_string, \
- .buffer = buf, \
- .bufsize = bufsiz, \
- .pdrv = platdrv, \
- .requested_id = EARLY_PLATFORM_ID_UNSET, \
-}; \
-static int __init early_platform_driver_setup_func(char *buffer) \
-{ \
- return early_platform_driver_register(&early_driver, buffer); \
-} \
-early_param(class_string, early_platform_driver_setup_func)
-#else /* MODULE */
-#define early_platform_init_buffer(class_string, platdrv, buf, bufsiz) \
-static inline char *early_platform_driver_setup_func(void) \
-{ \
- return bufsiz ? buf : NULL; \
-}
-#endif /* MODULE */
-
#ifdef CONFIG_SUSPEND
extern int platform_pm_suspend(struct device *dev);
extern int platform_pm_resume(struct device *dev);
@@ -380,4 +346,19 @@
#define USE_PLATFORM_PM_SLEEP_OPS
#endif
+#ifndef CONFIG_SUPERH
+/*
+ * REVISIT: This stub is needed for all non-SuperH users of early platform
+ * drivers. It should go away once we introduce the new platform_device-based
+ * early driver framework.
+ */
+static inline int is_sh_early_platform_device(struct platform_device *pdev)
+{
+ return 0;
+}
+#endif /* CONFIG_SUPERH */
+
+/* For now only SuperH uses it */
+void early_platform_cleanup(void);
+
#endif /* _PLATFORM_DEVICE_H_ */
--
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