openwrt/target/linux/generic/backport-4.19/721-v5.5-net-sfp-move-tx-disable-on-device-down-to-main-state.patch
Russell King 1c16b574c4 kernel: add backported phy/phylink/sfp patches
Backport the phy/phylink/sfp patches currently queued in netdev or in
mainline necessary to support GPON popular modules, specifically to
support Huawei and Nokia GPON modules.

Signed-off-by: Russell King <linux@armlinux.org.uk>
[jonas.gorski: include kernel version in file names, refresh patches]
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
2020-01-21 22:32:48 +01:00

42 lines
1.1 KiB
Diff

From 7e89b737c97a9e7a81dd1584000bc136b92f12fd Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@armlinux.org.uk>
Date: Fri, 11 Oct 2019 22:14:47 +0100
Subject: [PATCH 619/660] 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@armlinux.org.uk>
---
drivers/net/phy/sfp.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1489,15 +1489,8 @@ static void sfp_sm_device(struct sfp *sf
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;
}
}
@@ -1559,6 +1552,7 @@ static void sfp_sm_main(struct sfp *sfp,
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;
}