On 1/27/22 22:19, Andrew Lunn wrote:
On Thu, Jan 27, 2022 at 06:01:09PM +0800, Aaron Ma wrote:
RTL8153-BL is used in Lenovo Thunderbolt4 dock.
Add the support of MAC passthrough.
This is ported from Realtek Outbox driver r8152.53.56-2.15.0.
There are 2 kinds of rules for MAC passthrough of Lenovo products,
1st USB vendor ID belongs to Lenovo, 2nd the chip of RTL8153-BL
is dedicated for Lenovo. Check the ocp data first then set ACPI object
names.
Suggested-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>
---
drivers/net/usb/r8152.c | 44 ++++++++++++++++++++++-------------------
1 file changed, 24 insertions(+), 20 deletions(-)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index ee41088c5251..df997b330ee4 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -718,6 +718,7 @@ enum spd_duplex {
#define AD_MASK 0xfee0
#define BND_MASK 0x0004
#define BD_MASK 0x0001
+#define BL_MASK BIT(3)
Just to be sure, this is defined by Realtek? This is not just Lenovo
just misusing a reserved bit?
From what I know, It's defined by Realtek to identify customized product.
It shouldn't be misusing.
Also it's used by Realtek outbox driver.
Aaron
Andrew
