[PATCH] thunderbolt: Use Linux Foundation IDs for XDomain discovery

[PATCH] thunderbolt: Use Linux Foundation IDs for XDomain discovery

[Mika Westerberg]

There are other vendors now that have their own USB4 host router
hardware so using the Intel donated IDs may confuse users. For this
reason switch to use USB IDs provided by the Linux Foundation for
XDomain discovery.

Link: https://lore.kernel.org/linux-usb/20250722175026.1994846-1-Raju.Rangoju@amd.com/
Cc: Raju Rangoju <Raju.Rangoju@amd.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
 drivers/thunderbolt/xdomain.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
index b0630e6d9472..fffa28cc491d 100644
--- a/drivers/thunderbolt/xdomain.c
+++ b/drivers/thunderbolt/xdomain.c
@@ -2562,10 +2562,9 @@ int tb_xdomain_init(void)
 	 * Rest of the properties are filled dynamically based on these
 	 * when the P2P connection is made.
 	 */
-	tb_property_add_immediate(xdomain_property_dir, "vendorid",
-				  PCI_VENDOR_ID_INTEL);
-	tb_property_add_text(xdomain_property_dir, "vendorid", "Intel Corp.");
-	tb_property_add_immediate(xdomain_property_dir, "deviceid", 0x1);
+	tb_property_add_immediate(xdomain_property_dir, "vendorid", 0x1d6b);
+	tb_property_add_text(xdomain_property_dir, "vendorid", "Linux");
+	tb_property_add_immediate(xdomain_property_dir, "deviceid", 0x0004);
 	tb_property_add_immediate(xdomain_property_dir, "devicerv", 0x80000100);
 
 	xdomain_property_block_gen = get_random_u32();
-- 
2.50.0

Re: [PATCH] thunderbolt: Use Linux Foundation IDs for XDomain discovery

[Greg KH]

On Tue, Aug 12, 2025 at 07:47:09AM +0200, Mika Westerberg wrote:
> There are other vendors now that have their own USB4 host router
> hardware so using the Intel donated IDs may confuse users. For this
> reason switch to use USB IDs provided by the Linux Foundation for
> XDomain discovery.
> 
> Link: https://lore.kernel.org/linux-usb/20250722175026.1994846-1-Raju.Rangoju@amd.com/
> Cc: Raju Rangoju <Raju.Rangoju@amd.com>
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> ---
>  drivers/thunderbolt/xdomain.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Re: [PATCH] thunderbolt: Use Linux Foundation IDs for XDomain discovery

[Mario Limonciello]

On 8/12/25 12:47 AM, Mika Westerberg wrote:
> There are other vendors now that have their own USB4 host router
> hardware so using the Intel donated IDs may confuse users. For this
> reason switch to use USB IDs provided by the Linux Foundation for
> XDomain discovery.
> 
> Link: https://lore.kernel.org/linux-usb/20250722175026.1994846-1-Raju.Rangoju@amd.com/
> Cc: Raju Rangoju <Raju.Rangoju@amd.com>
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>> ---
>   drivers/thunderbolt/xdomain.c | 7 +++----
>   1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
> index b0630e6d9472..fffa28cc491d 100644
> --- a/drivers/thunderbolt/xdomain.c
> +++ b/drivers/thunderbolt/xdomain.c
> @@ -2562,10 +2562,9 @@ int tb_xdomain_init(void)
>   	 * Rest of the properties are filled dynamically based on these
>   	 * when the P2P connection is made.
>   	 */
> -	tb_property_add_immediate(xdomain_property_dir, "vendorid",
> -				  PCI_VENDOR_ID_INTEL);
> -	tb_property_add_text(xdomain_property_dir, "vendorid", "Intel Corp.");
> -	tb_property_add_immediate(xdomain_property_dir, "deviceid", 0x1);
> +	tb_property_add_immediate(xdomain_property_dir, "vendorid", 0x1d6b);
> +	tb_property_add_text(xdomain_property_dir, "vendorid", "Linux");
> +	tb_property_add_immediate(xdomain_property_dir, "deviceid", 0x0004);
>   	tb_property_add_immediate(xdomain_property_dir, "devicerv", 0x80000100);
>   
>   	xdomain_property_block_gen = get_random_u32();

Re: [PATCH] thunderbolt: Use Linux Foundation IDs for XDomain discovery

[Mika Westerberg]

On Tue, Aug 12, 2025 at 07:47:09AM +0200, Mika Westerberg wrote:
> There are other vendors now that have their own USB4 host router
> hardware so using the Intel donated IDs may confuse users. For this
> reason switch to use USB IDs provided by the Linux Foundation for
> XDomain discovery.
> 
> Link: https://lore.kernel.org/linux-usb/20250722175026.1994846-1-Raju.Rangoju@amd.com/
> Cc: Raju Rangoju <Raju.Rangoju@amd.com>
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

Applied to thunderbolt.git/next.