return 0;
}
+static int eisa_bus_uevent(struct device *dev, char **envp, int num_envp,
+ char *buffer, int buffer_size)
+{
+ struct eisa_device *edev = to_eisa_device(dev);
+ int i = 0;
+ int length = 0;
+
+ add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
+ "MODALIAS=" EISA_DEVICE_MODALIAS_FMT, edev->id.sig);
+ envp[i] = NULL;
+ return 0;
+}
+
struct bus_type eisa_bus_type = {
.name = "eisa",
.match = eisa_bus_match,
+ .uevent = eisa_bus_uevent,
};
int eisa_driver_register (struct eisa_driver *edrv)
{
- int r;
-
edrv->driver.bus = &eisa_bus_type;
- if ((r = driver_register (&edrv->driver)) < 0)
- return r;
-
- return 0;
+ return driver_register (&edrv->driver);
}
void eisa_driver_unregister (struct eisa_driver *edrv)
driver_unregister (&edrv->driver);
}
-static ssize_t eisa_show_sig (struct device *dev, char *buf)
+static ssize_t eisa_show_sig (struct device *dev, struct device_attribute *attr, char *buf)
{
struct eisa_device *edev = to_eisa_device (dev);
return sprintf (buf,"%s\n", edev->id.sig);
static DEVICE_ATTR(signature, S_IRUGO, eisa_show_sig, NULL);
-static ssize_t eisa_show_state (struct device *dev, char *buf)
+static ssize_t eisa_show_state (struct device *dev, struct device_attribute *attr, char *buf)
{
struct eisa_device *edev = to_eisa_device (dev);
return sprintf (buf,"%d\n", edev->state & EISA_CONFIG_ENABLED);
static DEVICE_ATTR(enabled, S_IRUGO, eisa_show_state, NULL);
+static ssize_t eisa_show_modalias (struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct eisa_device *edev = to_eisa_device (dev);
+ return sprintf (buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig);
+}
+
+static DEVICE_ATTR(modalias, S_IRUGO, eisa_show_modalias, NULL);
+
static int __init eisa_init_device (struct eisa_root_device *root,
struct eisa_device *edev,
int slot)
static int __init eisa_register_device (struct eisa_device *edev)
{
- if (device_register (&edev->dev))
- return -1;
+ int rc = device_register (&edev->dev);
+ if (rc)
+ return rc;
- device_create_file (&edev->dev, &dev_attr_signature);
- device_create_file (&edev->dev, &dev_attr_enabled);
+ rc = device_create_file (&edev->dev, &dev_attr_signature);
+ if (rc) goto err_devreg;
+ rc = device_create_file (&edev->dev, &dev_attr_enabled);
+ if (rc) goto err_sig;
+ rc = device_create_file (&edev->dev, &dev_attr_modalias);
+ if (rc) goto err_enab;
return 0;
+
+err_enab:
+ device_remove_file (&edev->dev, &dev_attr_enabled);
+err_sig:
+ device_remove_file (&edev->dev, &dev_attr_signature);
+err_devreg:
+ device_unregister(&edev->dev);
+ return rc;
}
static int __init eisa_request_resources (struct eisa_root_device *root,
/* First try to get hold of slot 0. If there is no device
* here, simply fail, unless root->force_probe is set. */
- if (!(edev = kmalloc (sizeof (*edev), GFP_KERNEL))) {
+ if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) {
printk (KERN_ERR "EISA: Couldn't allocate mainboard slot\n");
return -ENOMEM;
}
- memset (edev, 0, sizeof (*edev));
-
if (eisa_request_resources (root, edev, 0)) {
printk (KERN_WARNING \
"EISA: Cannot allocate resource for mainboard\n");
force_probe:
for (c = 0, i = 1; i <= root->slots; i++) {
- if (!(edev = kmalloc (sizeof (*edev), GFP_KERNEL))) {
+ if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) {
printk (KERN_ERR "EISA: Out of memory for slot %d\n",
i);
continue;
}
-
- memset (edev, 0, sizeof (*edev));
if (eisa_request_resources (root, edev, i)) {
printk (KERN_WARNING \