---

yaml
---
r: 133442
b: refs/heads/master
c: 57fee4a
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 71b3e0c1ad90f28e34c105069175cbd4edb43dfa
+refs/heads/master: 57fee4a58fe802272742caae248872c392a60670

trunk/drivers/base/platform.c

@@ -584,10 +584,25 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	struct platform_device	*pdev = to_platform_device(dev);
 
-	add_uevent_var(env, "MODALIAS=platform:%s", pdev->name);
+	add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX,
+		(pdev->id_entry) ? pdev->id_entry->name : pdev->name);
 	return 0;
 }
 
+static const struct platform_device_id *platform_match_id(
+			struct platform_device_id *id,
+			struct platform_device *pdev)
+{
+	while (id->name[0]) {
+		if (strcmp(pdev->name, id->name) == 0) {
+			pdev->id_entry = id;
+			return id;
+		}
+		id++;
+	}
+	return NULL;
+}
+
 /**
  * platform_match - bind platform device to platform driver.
  * @dev: device.
@@ -604,7 +619,13 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 static int platform_match(struct device *dev, struct device_driver *drv)
 {
 	struct platform_device *pdev = to_platform_device(dev);
+	struct platform_driver *pdrv = to_platform_driver(drv);
+
+	/* match against the id table first */
+	if (pdrv->id_table)
+		return platform_match_id(pdrv->id_table, pdev) != NULL;
 
+	/* fall-back to driver name match */
 	return (strcmp(pdev->name, drv->name) == 0);
 }
 

trunk/include/linux/mod_devicetable.h

@@ -454,4 +454,13 @@ struct dmi_system_id {
 
 #define DMI_MATCH(a, b)	{ a, b }
 
+#define PLATFORM_NAME_SIZE	20
+#define PLATFORM_MODULE_PREFIX	"platform:"
+
+struct platform_device_id {
+	char name[PLATFORM_NAME_SIZE];
+	kernel_ulong_t driver_data
+			__attribute__((aligned(sizeof(kernel_ulong_t))));
+};
+
 #endif /* LINUX_MOD_DEVICETABLE_H */

trunk/include/linux/platform_device.h

@@ -12,15 +12,20 @@
 #define _PLATFORM_DEVICE_H_
 
 #include <linux/device.h>
+#include <linux/mod_devicetable.h>
 
 struct platform_device {
 	const char	* name;
 	int		id;
 	struct device	dev;
 	u32		num_resources;
 	struct resource	* resource;
+
+	struct platform_device_id	*id_entry;
 };
 
+#define platform_get_device_id(pdev)	((pdev)->id_entry)
+
 #define to_platform_device(x) container_of((x), struct platform_device, dev)
 
 extern int platform_device_register(struct platform_device *);
@@ -56,6 +61,7 @@ struct platform_driver {
 	int (*resume_early)(struct platform_device *);
 	int (*resume)(struct platform_device *);
 	struct device_driver driver;
+	struct platform_device_id *id_table;
 };
 
 extern int platform_driver_register(struct platform_driver *);

trunk/scripts/mod/file2alias.c

@@ -710,6 +710,14 @@ static int do_dmi_entry(const char *filename, struct dmi_system_id *id,
 	strcat(alias, ":");
 	return 1;
 }
+
+static int do_platform_entry(const char *filename,
+			     struct platform_device_id *id, char *alias)
+{
+	sprintf(alias, PLATFORM_MODULE_PREFIX "%s", id->name);
+	return 1;
+}
+
 /* Ignore any prefix, eg. some architectures prepend _ */
 static inline int sym_is(const char *symbol, const char *name)
 {
@@ -849,6 +857,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
 		do_table(symval, sym->st_size,
 			 sizeof(struct dmi_system_id), "dmi",
 			 do_dmi_entry, mod);
+	else if (sym_is(symname, "__mod_platform_device_table"))
+		do_table(symval, sym->st_size,
+			 sizeof(struct platform_device_id), "platform",
+			 do_platform_entry, mod);
 	free(zeros);
 }