Initial commit

2025-06-24 13:14:22 +02:00
commit 4002f145fc
9002 changed files with 1731834 additions and 0 deletions
--- a/target/linux/generic/pending-5.4/758-net-sfp-error-handling-for-phy-probe.patch
+++ b/target/linux/generic/pending-5.4/758-net-sfp-error-handling-for-phy-probe.patch
@@ -0,0 +1,97 @@
+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;