bcm4908: prepare kernel 5.10 support

It compiles but *doesn't* boot so it isn't enabled yet.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

1 files changed, 73 insertions, 0 deletions

diff --git a/target/linux/bcm4908/patches-5.10/075-v5.13-0001-net-dsa-bcm_sf2-store-PHY-interface-mode-in-port-str.patch b/target/linux/bcm4908/patches-5.10/075-v5.13-0001-net-dsa-bcm_sf2-store-PHY-interface-mode-in-port-str.patch
new file mode 100644
index 0000000000..9b3a831773
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.10/075-v5.13-0001-net-dsa-bcm_sf2-store-PHY-interface-mode-in-port-str.patch
@@ -0,0 +1,73 @@
+From 01488a0ccd9abe15565bed50a45afcddbb0fe199 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Fri, 12 Mar 2021 11:41:07 +0100
+Subject: [PATCH] net: dsa: bcm_sf2: store PHY interface/mode in port structure
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+It's needed later for proper switch / crossbar setup.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Acked-by: Florian Fainelli <f.fainelli@gmail.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+ drivers/net/dsa/bcm_sf2.c | 16 ++++++++++++----
+ drivers/net/dsa/bcm_sf2.h |  1 +
+ 2 files changed, 13 insertions(+), 4 deletions(-)
+
+--- a/drivers/net/dsa/bcm_sf2.c
++++ b/drivers/net/dsa/bcm_sf2.c
+@@ -446,10 +446,11 @@ static void bcm_sf2_intr_disable(struct
+ static void bcm_sf2_identify_ports(struct bcm_sf2_priv *priv,
+ 				   struct device_node *dn)
+ {
++	struct device *dev = priv->dev->ds->dev;
++	struct bcm_sf2_port_status *port_st;
+ 	struct device_node *port;
+ 	unsigned int port_num;
+ 	struct property *prop;
+-	phy_interface_t mode;
+ 	int err;
+ 
+ 	priv->moca_port = -1;
+@@ -458,19 +459,26 @@ static void bcm_sf2_identify_ports(struc
+ 		if (of_property_read_u32(port, "reg", &port_num))
+ 			continue;
+ 
++		if (port_num >= DSA_MAX_PORTS) {
++			dev_err(dev, "Invalid port number %d\n", port_num);
++			continue;
++		}
++
++		port_st = &priv->port_sts[port_num];
++
+ 		/* Internal PHYs get assigned a specific 'phy-mode' property
+ 		 * value: "internal" to help flag them before MDIO probing
+ 		 * has completed, since they might be turned off at that
+ 		 * time
+ 		 */
+-		err = of_get_phy_mode(port, &mode);
++		err = of_get_phy_mode(port, &port_st->mode);
+ 		if (err)
+ 			continue;
+ 
+-		if (mode == PHY_INTERFACE_MODE_INTERNAL)
++		if (port_st->mode == PHY_INTERFACE_MODE_INTERNAL)
+ 			priv->int_phy_mask |= 1 << port_num;
+ 
+-		if (mode == PHY_INTERFACE_MODE_MOCA)
++		if (port_st->mode == PHY_INTERFACE_MODE_MOCA)
+ 			priv->moca_port = port_num;
+ 
+ 		if (of_property_read_bool(port, "brcm,use-bcm-hdr"))
+--- a/drivers/net/dsa/bcm_sf2.h
++++ b/drivers/net/dsa/bcm_sf2.h
+@@ -44,6 +44,7 @@ struct bcm_sf2_hw_params {
+ #define BCM_SF2_REGS_NUM	6
+ 
+ struct bcm_sf2_port_status {
++	phy_interface_t mode;
+ 	unsigned int link;
+ 	bool enabled;
+ };