From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Implement a macro similar to module_platform_driver() which allows to
register early platform drivers with the default early class.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
include/linux/platform_device.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 514ada776004..b565a1237fa6 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -297,6 +297,8 @@ struct early_platform_driver {
#define EARLY_PLATFORM_ID_UNSET -2
#define EARLY_PLATFORM_ID_ERROR -3
+#define EARLY_PLATFORM_DEFAULT_CLASS "earlydev"
+
#ifdef CONFIG_EARLY_PLATFORM_DEVICES
extern int early_platform_driver_register(struct early_platform_driver *epdrv,
@@ -352,6 +354,9 @@ static inline char *early_platform_driver_setup_func(void) \
}
#endif /* MODULE */
+#define early_platform_driver(__platdrv) \
+ early_platform_init(EARLY_PLATFORM_DEFAULT_CLASS, &(__platdrv))
+
#else /* CONFIG_EARLY_PLATFORM_DEVICES */
static inline int
early_platform_driver_register(struct early_platform_driver *epdrv, char *buf)
@@ -380,6 +385,7 @@ static inline int early_platform_driver_register_probe_all(char *class_str,
static inline void early_platform_cleanup(void) {}
#define early_platform_init(class_string, platdrv)
#define early_platform_init_buffer(class_string, platdrv, buf, bufsiz)
+#define early_platform_driver(__platdrv)
#endif /* CONFIG_EARLY_PLATFORM_DEVICES */
#ifdef CONFIG_SUSPEND
--
2.17.0
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