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mac80211: fix builds on ath79 targets

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Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin
2021-09-13 13:43:19 +02:00
parent f7f91aa5c0
commit 2d40fa3c55
1 changed files with 60 additions and 0 deletions
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60
patches/0044-mac80211-fix-builds-on-ath79-targets.patch Normal file
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@@ -0,0 +1,60 @@
From 7d1503f1fb878bf27aa1bfa15d81394eaf8888d0 Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Mon, 13 Sep 2021 13:42:00 +0200
Subject: [PATCH] mac80211: fix builds on ath79 targets
Signed-off-by: John Crispin <john@phrozen.org>
---
.../100-backport_of_get_mac_address.patch | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch
diff --git a/package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch b/package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch
new file mode 100644
index 0000000000..79c2343522
--- /dev/null
+++ b/package/kernel/mac80211/patches/build/100-backport_of_get_mac_address.patch
@@ -0,0 +1,40 @@
+--- a/backport-include/linux/of_net.h
++++ b/backport-include/linux/of_net.h
+@@ -2,6 +2,7 @@
+ #define _BP_OF_NET_H
+ #include_next <linux/of_net.h>
+ #include <linux/version.h>
++#include <linux/etherdevice.h>
+
+ #ifndef CONFIG_OF
+ #if LINUX_VERSION_IS_LESS(3,10,0)
+@@ -12,18 +13,23 @@ static inline const void *of_get_mac_add
+ #endif
+ #endif
+
+-/* The behavior of of_get_mac_address() changed in kernel 5.2, it now
+- * returns an error code and not NULL in case of an error.
++/* The behavior of of_get_mac_address() changed in kernel 5.15, it now
++ * accepts an argument with the destination buffer to copy the address to
+ */
+-#if LINUX_VERSION_IS_LESS(5,2,0)
+-static inline const void *backport_of_get_mac_address(struct device_node *np)
++#if LINUX_VERSION_IS_LESS(5,15,0)
++static inline int backport_of_get_mac_address(struct device_node *np, u8 *addr)
+ {
+ const void *mac = of_get_mac_address(np);
+
++ if (IS_ERR(mac))
++ return PTR_ERR(mac);
++
+ if (!mac)
+- return ERR_PTR(-ENODEV);
++ return -ENODEV;
++
++ memcpy(addr, mac, ETH_ALEN);
+
+- return mac;
++ return 0;
+ }
+ #define of_get_mac_address LINUX_BACKPORT(of_get_mac_address)
+ #endif /* < 5.2 */
--
2.25.1