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authorMika Westerberg <mika.westerberg@linux.intel.com>2020-10-07 18:19:28 +0300
committerMika Westerberg <mika.westerberg@linux.intel.com>2020-11-11 10:20:16 +0300
commit47844ecb8cec2916abaad9c1d1b801f49ed6265d (patch)
tree3497aeadafee77f095ab8593e7108a3ee793f251 /drivers/thunderbolt/xdomain.c
parentthunderbolt: Find XDomain by route instead of UUID (diff)
downloadlinux-dev-47844ecb8cec2916abaad9c1d1b801f49ed6265d.tar.xz
linux-dev-47844ecb8cec2916abaad9c1d1b801f49ed6265d.zip
thunderbolt: Create XDomain devices for loops back to the host
It is perfectly possible to have loops back from the routers to the host, or even from one host port to another. Instead of ignoring these, we create XDomain devices for each. This allows creating services such as DMA traffic test that is used in manufacturing for example. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt/xdomain.c')
-rw-r--r--drivers/thunderbolt/xdomain.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index e436e9efa7e7..da229ac4e471 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -961,10 +961,8 @@ static void tb_xdomain_get_uuid(struct work_struct *work)
return;
}
- if (uuid_equal(&uuid, xd->local_uuid)) {
+ if (uuid_equal(&uuid, xd->local_uuid))
dev_dbg(&xd->dev, "intra-domain loop detected\n");
- return;
- }
/*
* If the UUID is different, there is another domain connected