b43: read radio ID on new cores

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/main.c

@@ -4219,7 +4219,19 @@ static int b43_phy_versioning(struct b43_wldev *dev)
 
 	/* Get RADIO versioning */
 	if (dev->dev->core_rev >= 24) {
-		/* TODO */
+		u16 radio24[3];
+
+		for (tmp = 0; tmp < 3; tmp++) {
+			b43_write16(dev, B43_MMIO_RADIO24_CONTROL, tmp);
+			radio24[tmp] = b43_read16(dev, B43_MMIO_RADIO24_DATA);
+		}
+
+		/* Broadcom uses "id" for our "ver" and has separated "ver" */
+		/* radio_ver = (radio24[0] & 0xF0) >> 4; */
+
+		radio_manuf = 0x17F;
+		radio_ver = (radio24[2] << 8) | radio24[1];
+		radio_rev = (radio24[0] & 0xF);
 	} else {
 		if (dev->dev->chip_id == 0x4317) {
 			if (dev->dev->chip_rev == 0)