summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/mediatek/mt7601u
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/mediatek/mt7601u')
-rw-r--r--drivers/net/wireless/mediatek/mt7601u/usb.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt7601u/usb.c b/drivers/net/wireless/mediatek/mt7601u/usb.c
index d8b7863f7926..6ae7f14dc9bf 100644
--- a/drivers/net/wireless/mediatek/mt7601u/usb.c
+++ b/drivers/net/wireless/mediatek/mt7601u/usb.c
@@ -303,6 +303,10 @@ static int mt7601u_probe(struct usb_interface *usb_intf,
mac_rev = mt7601u_rr(dev, MT_MAC_CSR0);
dev_info(dev->dev, "ASIC revision: %08x MAC revision: %08x\n",
asic_rev, mac_rev);
+ if ((asic_rev >> 16) != 0x7601) {
+ ret = -ENODEV;
+ goto err;
+ }
/* Note: vendor driver skips this check for MT7601U */
if (!(mt7601u_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL))