[openwrt/openwrt] airoha: net: fix building for en7523

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/fe31e5c82ad6fbabd44969ac075c57a57c9f796b

commit fe31e5c82ad6fbabd44969ac075c57a57c9f796b
Author: Mikhail Kshevetskiy <mikhail.kshevetskiy at iopsys.eu>
AuthorDate: Fri Oct 10 03:15:42 2025 +0300

    airoha: net: fix building for en7523
    
    Latest an7581/an7583 improvements breaks en7523. This patch just fixes
    en7523 building.
    
    Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy at iopsys.eu>
    Link: https://github.com/openwrt/openwrt/pull/20365
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 target/linux/airoha/en7523/config-6.12             |   3 +
 ...disable-external-phy-code-if-PCS_AIROHA-i.patch | 145 +++++++++++++++++++++
 2 files changed, 148 insertions(+)

diff --git a/target/linux/airoha/en7523/config-6.12 b/target/linux/airoha/en7523/config-6.12
index f434955a92..9a2eb1e4d6 100644
--- a/target/linux/airoha/en7523/config-6.12
+++ b/target/linux/airoha/en7523/config-6.12
@@ -215,6 +215,9 @@ CONFIG_OF_GPIO=y
 CONFIG_OF_IRQ=y
 CONFIG_OF_KOBJ=y
 CONFIG_OF_MDIO=y
+# CONFIG_MDIO_AIROHA is not set
+# CONFIG_PCS_AIROHA_AN7581 is not set
+# CONFIG_PCS_AIROHA_AN7583 is not set
 CONFIG_OLD_SIGACTION=y
 CONFIG_OLD_SIGSUSPEND3=y
 CONFIG_OUTER_CACHE=y
diff --git a/target/linux/airoha/patches-6.12/606-net-airoha-disable-external-phy-code-if-PCS_AIROHA-i.patch b/target/linux/airoha/patches-6.12/606-net-airoha-disable-external-phy-code-if-PCS_AIROHA-i.patch
new file mode 100644
index 0000000000..370e9a7550
--- /dev/null
+++ b/target/linux/airoha/patches-6.12/606-net-airoha-disable-external-phy-code-if-PCS_AIROHA-i.patch
@@ -0,0 +1,145 @@
+From 843e2892f2d9353bf039e0dfb5442a600e75009e Mon Sep 17 00:00:00 2001
+From: Mikhail Kshevetskiy <mikhail.kshevetskiy at iopsys.eu>
+Date: Thu, 9 Oct 2025 23:46:08 +0300
+Subject: [PATCH] net: airoha: disable external phy code if PCS_AIROHA is not
+ enabled
+
+External phy code breaks building for EN7523, so disable it if
+PCS_AIROHA is not selected.
+
+Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy at iopsys.eu>
+---
+ drivers/net/ethernet/airoha/airoha_eth.c | 16 ++++++++++++++++
+ drivers/net/ethernet/airoha/airoha_eth.h |  2 ++
+ 2 files changed, 18 insertions(+)
+
+--- a/drivers/net/ethernet/airoha/airoha_eth.c
++++ b/drivers/net/ethernet/airoha/airoha_eth.c
+@@ -72,10 +72,12 @@ static void airoha_qdma_irq_disable(stru
+ 	airoha_qdma_set_irqmask(irq_bank, index, mask, 0);
+ }
+ 
++#if defined(CONFIG_PCS_AIROHA)
+ static bool airhoa_is_phy_external(struct airoha_gdm_port *port)
+ {
+ 	return port->id != 1;
+ }
++#endif
+ 
+ static void airoha_set_macaddr(struct airoha_gdm_port *port, const u8 *addr)
+ {
+@@ -1649,6 +1651,7 @@ static int airoha_dev_open(struct net_de
+ 	struct airoha_gdm_port *port = netdev_priv(dev);
+ 	struct airoha_qdma *qdma = port->qdma;
+ 
++#if defined(CONFIG_PCS_AIROHA)
+ 	if (airhoa_is_phy_external(port)) {
+ 		err = phylink_of_phy_connect(port->phylink, dev->dev.of_node, 0);
+ 		if (err) {
+@@ -1659,6 +1662,7 @@ static int airoha_dev_open(struct net_de
+ 
+ 		phylink_start(port->phylink);
+ 	}
++#endif
+ 
+ 	netif_tx_start_all_queues(dev);
+ 	err = airoha_set_vip_for_gdm_port(port, true);
+@@ -1713,10 +1717,12 @@ static int airoha_dev_stop(struct net_de
+ 		}
+ 	}
+ 
++#if defined(CONFIG_PCS_AIROHA)
+ 	if (airhoa_is_phy_external(port)) {
+ 		phylink_stop(port->phylink);
+ 		phylink_disconnect_phy(port->phylink);
+ 	}
++#endif
+ 
+ 	return 0;
+ }
+@@ -2806,6 +2812,7 @@ static const struct ethtool_ops airoha_e
+ 	.get_rmon_stats		= airoha_ethtool_get_rmon_stats,
+ };
+ 
++#if defined(CONFIG_PCS_AIROHA)
+ static struct phylink_pcs *airoha_phylink_mac_select_pcs(struct phylink_config *config,
+ 							 phy_interface_t interface)
+ {
+@@ -2819,6 +2826,7 @@ static void airoha_mac_config(struct phy
+ 			      const struct phylink_link_state *state)
+ {
+ }
++#endif
+ 
+ static int airoha_metadata_dst_alloc(struct airoha_gdm_port *port)
+ {
+@@ -2864,6 +2872,7 @@ bool airoha_is_valid_gdm_port(struct air
+ 	return false;
+ }
+ 
++#if defined(CONFIG_PCS_AIROHA)
+ static void airoha_mac_link_up(struct phylink_config *config, struct phy_device *phy,
+ 			       unsigned int mode, phy_interface_t interface,
+ 			       int speed, int duplex, bool tx_pause, bool rx_pause)
+@@ -2956,6 +2965,7 @@ static int airoha_setup_phylink(struct n
+ 
+ 	return 0;
+ }
++#endif
+ 
+ static int airoha_alloc_gdm_port(struct airoha_eth *eth,
+ 				 struct device_node *np, int index)
+@@ -3035,11 +3045,13 @@ static int airoha_alloc_gdm_port(struct
+ 	if (err)
+ 		return err;
+ 
++#if defined(CONFIG_PCS_AIROHA)
+ 	if (airhoa_is_phy_external(port)) {
+ 		err = airoha_setup_phylink(dev);
+ 		if (err)
+ 			goto free_metadata_dst;
+ 	}
++#endif
+ 
+ 	err = register_netdev(dev);
+ 	if (err)
+@@ -3144,10 +3156,12 @@ error_hw_cleanup:
+ 		if (port && port->dev->reg_state == NETREG_REGISTERED) {
+ 			unregister_netdev(port->dev);
+ 			airoha_metadata_dst_free(port);
++#if defined(CONFIG_PCS_AIROHA)
+ 			if (airhoa_is_phy_external(port)) {
+ 				phylink_destroy(port->phylink);
+ 				airoha_pcs_destroy(port->pcs);
+ 			}
++#endif
+ 		}
+ 	}
+ 	free_netdev(eth->napi_dev);
+@@ -3175,10 +3189,12 @@ static void airoha_remove(struct platfor
+ 		airoha_dev_stop(port->dev);
+ 		unregister_netdev(port->dev);
+ 		airoha_metadata_dst_free(port);
++#if defined(CONFIG_PCS_AIROHA)
+ 		if (airhoa_is_phy_external(port)) {
+ 			phylink_destroy(port->phylink);
+ 			airoha_pcs_destroy(port->pcs);
+ 		}
++#endif
+ 	}
+ 	free_netdev(eth->napi_dev);
+ 
+--- a/drivers/net/ethernet/airoha/airoha_eth.h
++++ b/drivers/net/ethernet/airoha/airoha_eth.h
+@@ -528,9 +528,11 @@ struct airoha_gdm_port {
+ 	struct net_device *dev;
+ 	int id;
+ 
++#if defined(CONFIG_PCS_AIROHA)
+ 	struct phylink *phylink;
+ 	struct phylink_config phylink_config;
+ 	struct phylink_pcs *pcs;
++#endif
+ 
+ 	struct airoha_hw_stats stats;
+