netdev - [PATCH net-next 02/17] net: sfp: move tx disable on device down to main state machine

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Date:   Sun, 10 Nov 2019 14:06:18 +0000
From:   Russell King <rmk+kernel@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH net-next 02/17] net: sfp: move tx disable on device down to
 main state machine

Move the tx disable assertion on device down to the main state
machine.

Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/sfp.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index f0e325324b23..47f204b227e8 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1491,15 +1491,8 @@ static void sfp_sm_device(struct sfp *sfp, unsigned int event)
 		break;
 
 	case SFP_DEV_UP:
-		if (event == SFP_E_DEV_DOWN) {
-			/* If the module has a PHY, avoid raising TX disable
-			 * as this resets the PHY. Otherwise, raise it to
-			 * turn the laser off.
-			 */
-			if (!sfp->mod_phy)
-				sfp_module_tx_disable(sfp);
+		if (event == SFP_E_DEV_DOWN)
 			sfp->sm_dev_state = SFP_DEV_DOWN;
-		}
 		break;
 	}
 }
@@ -1561,6 +1554,7 @@ static void sfp_sm_main(struct sfp *sfp, unsigned int event)
 			sfp_sm_link_down(sfp);
 		if (sfp->mod_phy)
 			sfp_sm_phy_detach(sfp);
+		sfp_module_tx_disable(sfp);
 		sfp_sm_next(sfp, SFP_S_DOWN, 0);
 		return;
 	}
-- 
2.20.1