mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 22:23:27 +00:00
f032601ed7
Adds support for GPON SFP modules based on the Realtek RTL8672 and RTL9601C chips, including but not limited to: * V-SOL V2801F * C-Data FD511GX-RM0 * OPTON GP801R * BAUDCOM BD-1234-SFM * CPGOS03-0490 v2.0 * Ubiquiti U-Fiber Instant * EXOT EGS1 Signed-off-by: Vladimir Markovets <abam_a@yahoo.com>
98 lines
2.7 KiB
Diff
98 lines
2.7 KiB
Diff
From 1fba543dc8edf4a43bff3276306648bb27c1e207 Mon Sep 17 00:00:00 2001
|
|
From: Russell King <rmk+kernel@armlinux.org.uk>
|
|
Date: Fri, 29 Nov 2019 00:30:08 +0000
|
|
Subject: [PATCH 3/4] net: sfp: error handling for phy probe
|
|
|
|
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
|
|
---
|
|
drivers/net/phy/sfp.c | 26 +++++++++++++++++---------
|
|
1 file changed, 17 insertions(+), 9 deletions(-)
|
|
|
|
--- a/drivers/net/phy/sfp.c
|
|
+++ b/drivers/net/phy/sfp.c
|
|
@@ -1426,7 +1426,7 @@ static void sfp_sm_phy_detach(struct sfp
|
|
sfp->mod_phy = NULL;
|
|
}
|
|
|
|
-static void sfp_sm_probe_phy(struct sfp *sfp, bool is_c45)
|
|
+static int sfp_sm_probe_phy(struct sfp *sfp, bool is_c45)
|
|
{
|
|
struct phy_device *phy;
|
|
int err;
|
|
@@ -1434,18 +1434,18 @@ static void sfp_sm_probe_phy(struct sfp
|
|
phy = get_phy_device(sfp->i2c_mii, SFP_PHY_ADDR, is_c45);
|
|
if (phy == ERR_PTR(-ENODEV)) {
|
|
dev_info(sfp->dev, "no PHY detected\n");
|
|
- return;
|
|
+ return 0;
|
|
}
|
|
if (IS_ERR(phy)) {
|
|
dev_err(sfp->dev, "mdiobus scan returned %ld\n", PTR_ERR(phy));
|
|
- return;
|
|
+ return PTR_ERR(phy);
|
|
}
|
|
|
|
err = phy_device_register(phy);
|
|
if (err) {
|
|
phy_device_free(phy);
|
|
dev_err(sfp->dev, "phy_device_register failed: %d\n", err);
|
|
- return;
|
|
+ return err;
|
|
}
|
|
|
|
err = sfp_add_phy(sfp->sfp_bus, phy);
|
|
@@ -1453,10 +1453,12 @@ static void sfp_sm_probe_phy(struct sfp
|
|
phy_device_remove(phy);
|
|
phy_device_free(phy);
|
|
dev_err(sfp->dev, "sfp_add_phy failed: %d\n", err);
|
|
- return;
|
|
+ return err;
|
|
}
|
|
|
|
sfp->mod_phy = phy;
|
|
+
|
|
+ return 0;
|
|
}
|
|
|
|
static void sfp_sm_link_up(struct sfp *sfp)
|
|
@@ -1529,21 +1531,24 @@ static void sfp_sm_fault(struct sfp *sfp
|
|
* Clause 45 copper SFP+ modules (10G) appear to switch their interface
|
|
* mode according to the negotiated line speed.
|
|
*/
|
|
-static void sfp_sm_probe_for_phy(struct sfp *sfp)
|
|
+static int sfp_sm_probe_for_phy(struct sfp *sfp)
|
|
{
|
|
+ int err = 0;
|
|
+
|
|
switch (sfp->id.base.extended_cc) {
|
|
case SFF8024_ECC_10GBASE_T_SFI:
|
|
case SFF8024_ECC_10GBASE_T_SR:
|
|
case SFF8024_ECC_5GBASE_T:
|
|
case SFF8024_ECC_2_5GBASE_T:
|
|
- sfp_sm_probe_phy(sfp, true);
|
|
+ err = sfp_sm_probe_phy(sfp, true);
|
|
break;
|
|
|
|
default:
|
|
if (sfp->id.base.e1000_base_t)
|
|
- sfp_sm_probe_phy(sfp, false);
|
|
+ err = sfp_sm_probe_phy(sfp, false);
|
|
break;
|
|
}
|
|
+ return err;
|
|
}
|
|
|
|
static int sfp_module_parse_power(struct sfp *sfp)
|
|
@@ -2025,7 +2030,10 @@ static void sfp_sm_main(struct sfp *sfp,
|
|
init_done: /* TX_FAULT deasserted or we timed out with TX_FAULT
|
|
* clear. Probe for the PHY and check the LOS state.
|
|
*/
|
|
- sfp_sm_probe_for_phy(sfp);
|
|
+ if (sfp_sm_probe_for_phy(sfp)) {
|
|
+ sfp_sm_next(sfp, SFP_S_FAIL, 0);
|
|
+ break;
|
|
+ }
|
|
if (sfp_module_start(sfp->sfp_bus)) {
|
|
sfp_sm_next(sfp, SFP_S_FAIL, 0);
|
|
break;
|