diff options
| author | David Chen <david.chen7@dell.com> | 2019-02-16 17:16:42 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-18 16:37:40 -0800 |
| commit | 8e29d23e28ee7fb995a00c1ca7e1a4caf5070b12 (patch) | |
| tree | bbd6f1371632cd55d993f07f9140a5c0b7aacaeb /drivers | |
| parent | f2ffff085d287eec499f1fccd682796ad8010303 (diff) | |
| download | linux-8e29d23e28ee7fb995a00c1ca7e1a4caf5070b12.tar.bz2 | |
r8152: Add support for MAC address pass through on RTL8153-BD
RTL8153-BD is used in Dell DA300 type-C dongle.
It should be added to the whitelist of devices to activate MAC address
pass through.
Per confirming with Realtek all devices containing RTL8153-BD should
activate MAC pass through and there won't use pass through bit on efuse
like in RTL8153-AD.
Signed-off-by: David Chen <david.chen7@dell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/usb/r8152.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 60dd1ec1665f..ada6baf8847a 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -557,6 +557,7 @@ enum spd_duplex { /* MAC PASSTHRU */ #define AD_MASK 0xfee0 #define BND_MASK 0x0004 +#define BD_MASK 0x0001 #define EFUSE 0xcfdb #define PASS_THRU_MASK 0x1 @@ -1176,9 +1177,9 @@ static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa) return -ENODEV; } } else { - /* test for RTL8153-BND */ + /* test for RTL8153-BND and RTL8153-BD */ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_1); - if ((ocp_data & BND_MASK) == 0) { + if ((ocp_data & BND_MASK) == 0 && (ocp_data & BD_MASK)) { netif_dbg(tp, probe, tp->netdev, "Invalid variant for MAC pass through\n"); return -ENODEV; |