mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-24 15:56:49 +00:00
1c16b574c4
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>
54 lines
1.6 KiB
Diff
54 lines
1.6 KiB
Diff
From d2591ea5520e2ee8fa557f96bb64c23cafac4b20 Mon Sep 17 00:00:00 2001
|
|
From: Russell King <rmk+kernel@armlinux.org.uk>
|
|
Date: Tue, 15 Oct 2019 10:33:13 +0100
|
|
Subject: [PATCH 621/660] net: sfp: handle module remove outside state machine
|
|
|
|
Removing a module resets the module state machine back to its initial
|
|
state. Rather than explicitly handling this in every state, handle it
|
|
early on outside of the state machine.
|
|
|
|
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
|
|
---
|
|
drivers/net/phy/sfp.c | 16 +++++++++-------
|
|
1 file changed, 9 insertions(+), 7 deletions(-)
|
|
|
|
--- a/drivers/net/phy/sfp.c
|
|
+++ b/drivers/net/phy/sfp.c
|
|
@@ -1500,6 +1500,14 @@ static void sfp_sm_device(struct sfp *sf
|
|
*/
|
|
static void sfp_sm_module(struct sfp *sfp, unsigned int event)
|
|
{
|
|
+ /* Handle remove event globally, it resets this state machine */
|
|
+ if (event == SFP_E_REMOVE) {
|
|
+ if (sfp->sm_mod_state > SFP_MOD_PROBE)
|
|
+ sfp_sm_mod_remove(sfp);
|
|
+ sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0);
|
|
+ return;
|
|
+ }
|
|
+
|
|
switch (sfp->sm_mod_state) {
|
|
default:
|
|
if (event == SFP_E_INSERT && sfp->attached) {
|
|
@@ -1509,9 +1517,7 @@ static void sfp_sm_module(struct sfp *sf
|
|
break;
|
|
|
|
case SFP_MOD_PROBE:
|
|
- if (event == SFP_E_REMOVE) {
|
|
- sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0);
|
|
- } else if (event == SFP_E_TIMEOUT) {
|
|
+ if (event == SFP_E_TIMEOUT) {
|
|
int val = sfp_sm_mod_probe(sfp);
|
|
|
|
if (val == 0)
|
|
@@ -1533,10 +1539,6 @@ static void sfp_sm_module(struct sfp *sf
|
|
/* fallthrough */
|
|
case SFP_MOD_PRESENT:
|
|
case SFP_MOD_ERROR:
|
|
- if (event == SFP_E_REMOVE) {
|
|
- sfp_sm_mod_remove(sfp);
|
|
- sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0);
|
|
- }
|
|
break;
|
|
}
|
|
}
|