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core: handle the 'usb'->'usbmisc' subsystem rename in the kernel

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We'll try to cope with getting devices being reported in either 'usb' or
'usbmisc', trying to avoid the need of checking kernel version during runtime.
This commit is contained in:
Aleksander Morgado
2012-08-21 11:32:24 +02:00
parent 8cb021293c
commit 494a70a8ff
6 changed files with 32 additions and 15 deletions
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22
src/mm-manager.c
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@@ -167,7 +167,7 @@ find_physical_device (GUdevDevice *child)
while (iter && i++ < 8) {
subsys = g_udev_device_get_subsystem (iter);
if (subsys) {
if (is_usb || !strcmp (subsys, "usb")) {
if (is_usb || g_str_has_prefix (subsys, "usb")) {
is_usb = TRUE;
type = g_udev_device_get_devtype (iter);
if (type && !strcmp (type, "usb_device")) {
@@ -329,7 +329,7 @@ device_removed (MMManager *self,
subsys = g_udev_device_get_subsystem (udev_device);
name = g_udev_device_get_name (udev_device);
if (!g_str_equal (subsys, "usb") ||
if (!g_str_has_prefix (subsys, "usb") ||
(name && g_str_has_prefix (name, "cdc-wdm"))) {
/* Handle tty/net/wdm port removal */
device = find_device_by_port (self, udev_device);
@@ -386,14 +386,14 @@ handle_uevent (GUdevClient *client,
/* A bit paranoid */
subsys = g_udev_device_get_subsystem (device);
g_return_if_fail (subsys != NULL);
g_return_if_fail (g_str_equal (subsys, "tty") || g_str_equal (subsys, "net") || g_str_equal (subsys, "usb"));
g_return_if_fail (g_str_equal (subsys, "tty") || g_str_equal (subsys, "net") || g_str_has_prefix (subsys, "usb"));
/* We only care about tty/net and usb/cdc-wdm devices when adding modem ports,
* but for remove, also handle usb parent device remove events
*/
name = g_udev_device_get_name (device);
if ( (g_str_equal (action, "add") || g_str_equal (action, "move") || g_str_equal (action, "change"))
&& (!g_str_equal (subsys, "usb") || (name && g_str_has_prefix (name, "cdc-wdm"))))
&& (!g_str_has_prefix (subsys, "usb") || (name && g_str_has_prefix (name, "cdc-wdm"))))
device_added (self, device);
else if (g_str_equal (action, "remove"))
device_removed (self, device);
@@ -434,6 +434,18 @@ mm_manager_start (MMManager *manager)
}
g_list_free (devices);
/* Newer kernels report 'usbmisc' subsystem */
devices = g_udev_client_query_by_subsystem (manager->priv->udev, "usbmisc");
for (iter = devices; iter; iter = g_list_next (iter)) {
const gchar *name;
name = g_udev_device_get_name (G_UDEV_DEVICE (iter->data));
if (name && g_str_has_prefix (name, "cdc-wdm"))
device_added (manager, G_UDEV_DEVICE (iter->data));
g_object_unref (G_OBJECT (iter->data));
}
g_list_free (devices);
mm_dbg ("Finished device scan...");
}
@@ -672,7 +684,7 @@ static void
mm_manager_init (MMManager *manager)
{
MMManagerPrivate *priv;
const char *subsys[4] = { "tty", "net", "usb", NULL };
const gchar *subsys[5] = { "tty", "net", "usb", "usbmisc", NULL };
/* Setup private data */
manager->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE ((manager),