net: phy: Add phy_ignore_ta_mask to account for broken turn-around

Some PHY devices/switches will not release the turn-around line as they
should do at the end of a MDIO transaction. To help with such
situations, allow MDIO bus drivers to be made aware of such
restrictions.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 685809835b5c0edc5b80a3398e849c3a53d5b17c..701c7a3946e08bf935cc94d55b63e4fde953379e 100644 (file)
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -181,6 +181,9 @@ struct mii_bus {
        /* PHY addresses to be ignored when probing */
        u32 phy_mask;
 
+       /* PHY addresses to ignore the TA/read failure */
+       u32 phy_ignore_ta_mask;
+
        /*
         * Pointer to an array of interrupts, each PHY's
         * interrupt at the index matching its address