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-rw-r--r--drivers/thunderbolt/xdomain.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index 9b3a299a1202..7cf8b9c85ab7 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -30,6 +30,10 @@ struct xdomain_request_work {
struct tb *tb;
};
+static bool tb_xdomain_enabled = true;
+module_param_named(xdomain, tb_xdomain_enabled, bool, 0444);
+MODULE_PARM_DESC(xdomain, "allow XDomain protocol (default: true)");
+
/* Serializes access to the properties and protocol handlers below */
static DEFINE_MUTEX(xdomain_lock);
@@ -47,6 +51,11 @@ static const uuid_t tb_xdp_uuid =
UUID_INIT(0xb638d70e, 0x42ff, 0x40bb,
0x97, 0xc2, 0x90, 0xe2, 0xc0, 0xb2, 0xff, 0x07);
+bool tb_is_xdomain_enabled(void)
+{
+ return tb_xdomain_enabled && tb_acpi_is_xdomain_allowed();
+}
+
static bool tb_xdomain_match(const struct tb_cfg_request *req,
const struct ctl_pkg *pkg)
{
@@ -670,7 +679,7 @@ EXPORT_SYMBOL_GPL(tb_register_service_driver);
/**
* tb_unregister_service_driver() - Unregister XDomain service driver
- * @xdrv: Driver to unregister
+ * @drv: Driver to unregister
*
* Unregisters XDomain service driver from the bus.
*/
@@ -756,7 +765,7 @@ static struct attribute *tb_service_attrs[] = {
NULL,
};
-static struct attribute_group tb_service_attr_group = {
+static const struct attribute_group tb_service_attr_group = {
.attrs = tb_service_attrs,
};
@@ -1239,7 +1248,7 @@ static struct attribute *xdomain_attrs[] = {
NULL,
};
-static struct attribute_group xdomain_attr_group = {
+static const struct attribute_group xdomain_attr_group = {
.attrs = xdomain_attrs,
};