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path: root/target/linux/ar71xx/patches-4.4/900-mdio_bitbang_ignore_ta_value.patch
blob: 4536d519f8dcd7e18c8813e065f47dcbaa015b8e (plain)
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--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -165,19 +165,7 @@ static int mdiobb_read(struct mii_bus *b
 
 	ctrl->ops->set_mdio_dir(ctrl, 0);
 
-	/* check the turnaround bit: the PHY should be driving it to zero, if this
-	 * PHY is listed in phy_ignore_ta_mask as having broken TA, skip that
-	 */
-	if (mdiobb_get_bit(ctrl) != 0 &&
-	    !(bus->phy_ignore_ta_mask & (1 << phy))) {
-		/* PHY didn't drive TA low -- flush any bits it
-		 * may be trying to send.
-		 */
-		for (i = 0; i < 32; i++)
-			mdiobb_get_bit(ctrl);
-
-		return 0xffff;
-	}
+	mdiobb_get_bit(ctrl);
 
 	ret = mdiobb_get_num(ctrl, 16);
 	mdiobb_get_bit(ctrl);