X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fbase%2Fplatform.c;h=bdd59e8358f047f29ca229a93d607ec2e2c3b0c2;hb=0f4dafc0563c6c49e17fe14b3f5f356e4c4b8806;hp=17b5ece8f82cf647c8bf4fad6b632bbb9ab33a3e;hpb=ea62ccd00fd0b6720b033adfc9984f31130ce195;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 17b5ece8f82..bdd59e8358f 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -161,7 +161,7 @@ static void platform_device_release(struct device *dev)
  *	Create a platform device object which can have other objects attached
  *	to it, and which will have attached objects freed when it is released.
  */
-struct platform_device *platform_device_alloc(const char *name, unsigned int id)
+struct platform_device *platform_device_alloc(const char *name, int id)
 {
 	struct platform_object *pa;
 
@@ -245,7 +245,8 @@ int platform_device_add(struct platform_device *pdev)
 	pdev->dev.bus = &platform_bus_type;
 
 	if (pdev->id != -1)
-		snprintf(pdev->dev.bus_id, BUS_ID_SIZE, "%s.%u", pdev->name, pdev->id);
+		snprintf(pdev->dev.bus_id, BUS_ID_SIZE, "%s.%d", pdev->name,
+			 pdev->id);
 	else
 		strlcpy(pdev->dev.bus_id, pdev->name, BUS_ID_SIZE);
 
@@ -349,10 +350,17 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
  *	This function creates a simple platform device that requires minimal
  *	resource and memory management. Canned release function freeing
  *	memory allocated for the device allows drivers using such devices
- *	to be unloaded iwithout waiting for the last reference to the device
+ *	to be unloaded without waiting for the last reference to the device
  *	to be dropped.
+ *
+ *	This interface is primarily intended for use with legacy drivers
+ *	which probe hardware directly.  Because such drivers create sysfs
+ *	device nodes themselves, rather than letting system infrastructure
+ *	handle such device enumeration tasks, they don't fully conform to
+ *	the Linux driver model.  In particular, when such drivers are built
+ *	as modules, they can't be "hotplugged".
  */
-struct platform_device *platform_device_register_simple(char *name, unsigned int id,
+struct platform_device *platform_device_register_simple(char *name, int id,
 							struct resource *res, unsigned int num)
 {
 	struct platform_device *pdev;
@@ -489,12 +497,12 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv,
 	 * if the probe was successful, and make sure any forced probes of
 	 * new devices fail.
 	 */
-	spin_lock(&platform_bus_type.klist_drivers.k_lock);
+	spin_lock(&platform_bus_type.p->klist_drivers.k_lock);
 	drv->probe = NULL;
-	if (code == 0 && list_empty(&drv->driver.klist_devices.k_list))
+	if (code == 0 && list_empty(&drv->driver.p->klist_devices.k_list))
 		retval = -ENODEV;
 	drv->driver.probe = platform_drv_probe_fail;
-	spin_unlock(&platform_bus_type.klist_drivers.k_lock);
+	spin_unlock(&platform_bus_type.p->klist_drivers.k_lock);
 
 	if (code != retval)
 		platform_driver_unregister(drv);
@@ -512,7 +520,7 @@ static ssize_t
 modalias_show(struct device *dev, struct device_attribute *a, char *buf)
 {
 	struct platform_device	*pdev = to_platform_device(dev);
-	int len = snprintf(buf, PAGE_SIZE, "%s\n", pdev->name);
+	int len = snprintf(buf, PAGE_SIZE, "platform:%s\n", pdev->name);
 
 	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
 }
@@ -522,13 +530,11 @@ static struct device_attribute platform_dev_attrs[] = {
 	__ATTR_NULL,
 };
 
-static int platform_uevent(struct device *dev, char **envp, int num_envp,
-		char *buffer, int buffer_size)
+static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	struct platform_device	*pdev = to_platform_device(dev);
 
-	envp[0] = buffer;
-	snprintf(buffer, buffer_size, "MODALIAS=%s", pdev->name);
+	add_uevent_var(env, "MODALIAS=platform:%s", pdev->name);
 	return 0;
 }