netdev - [PATCH net-next 2/2] net: phy: simplify handling of PHY

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Date:   Thu, 11 Oct 2018 22:37:38 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        David Miller <davem@...emloft.net>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 2/2] net: phy: simplify handling of PHY_RESUMING in
 state machine

Simplify code for handling state PHY_RESUMING, no functional change
intended.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/phy/phy.c | 43 ++++++++++++++-----------------------------
 1 file changed, 14 insertions(+), 29 deletions(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 696955d38..d03bdbbd1 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1059,41 +1059,26 @@ void phy_state_machine(struct work_struct *work)
 	case PHY_RESUMING:
 		if (AUTONEG_ENABLE == phydev->autoneg) {
 			err = phy_aneg_done(phydev);
-			if (err < 0)
+			if (err < 0) {
 				break;
-
-			/* err > 0 if AN is done.
-			 * Otherwise, it's 0, and we're  still waiting for AN
-			 */
-			if (err > 0) {
-				err = phy_read_status(phydev);
-				if (err)
-					break;
-
-				if (phydev->link) {
-					phydev->state = PHY_RUNNING;
-					phy_link_up(phydev);
-				} else	{
-					phydev->state = PHY_NOLINK;
-					phy_link_down(phydev, false);
-				}
-			} else {
+			} else if (!err) {
 				phydev->state = PHY_AN;
 				phydev->link_timeout = PHY_AN_TIMEOUT;
-			}
-		} else {
-			err = phy_read_status(phydev);
-			if (err)
 				break;
-
-			if (phydev->link) {
-				phydev->state = PHY_RUNNING;
-				phy_link_up(phydev);
-			} else	{
-				phydev->state = PHY_NOLINK;
-				phy_link_down(phydev, false);
 			}
 		}
+
+		err = phy_read_status(phydev);
+		if (err)
+			break;
+
+		if (phydev->link) {
+			phydev->state = PHY_RUNNING;
+			phy_link_up(phydev);
+		} else	{
+			phydev->state = PHY_NOLINK;
+			phy_link_down(phydev, false);
+		}
 		break;
 	}
 
-- 
2.19.1