diff options
| author | Bastian Blank <waldi@debian.org> | 2011-06-29 16:40:08 +0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-06-30 20:15:33 +0400 |
| commit | 149bb2fab547253e6359e76f1b86b95247110e68 (patch) | |
| tree | cef69badb03090fc225bc08fbbc3ae20e3693d45 /drivers/xen/xenbus | |
| parent | cc85e93342c030f8ba07f572afa159ec4518231f (diff) | |
| download | linux-149bb2fab547253e6359e76f1b86b95247110e68.tar.xz | |
xen: Add module alias to autoload backend drivers
All the Xen backend drivers are assigned to a special bus type
xen-backend. This patch exports xen-backend:* names through modalias and
uevent to autoload them.
Signed-off-by: Bastian Blank <waldi@debian.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/xenbus')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.c | 3 | ||||
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe_backend.c | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 2ed0b045c69a..bd2f90c9ac8b 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -393,7 +393,8 @@ static ssize_t devtype_show(struct device *dev, static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "xen:%s\n", to_xenbus_device(dev)->devicetype); + return sprintf(buf, "%s:%s\n", dev->bus->name, + to_xenbus_device(dev)->devicetype); } struct device_attribute xenbus_dev_attrs[] = { diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c index ec510e562820..60adf919d78d 100644 --- a/drivers/xen/xenbus/xenbus_probe_backend.c +++ b/drivers/xen/xenbus/xenbus_probe_backend.c @@ -107,6 +107,9 @@ static int xenbus_uevent_backend(struct device *dev, if (xdev == NULL) return -ENODEV; + if (add_uevent_var(env, "MODALIAS=xen-backend:%s", xdev->devicetype)) + return -ENOMEM; + /* stuff we want to pass to /sbin/hotplug */ if (add_uevent_var(env, "XENBUS_TYPE=%s", xdev->devicetype)) return -ENOMEM; |