package/kernel/qca-ssdk/patches/0003-SSDK-dts-fix-of_get_mac_address.patch

   1 From c1b6fa42a160763b574dd52aa4845718e4cd0ea6 Mon Sep 17 00:00:00 2001
   2 From: Robert Marko <robimarko@gmail.com>
   3 Date: Fri, 13 Aug 2021 20:03:21 +0200
   4 Subject: [PATCH 03/14] SSDK: dts: fix of_get_mac_address()
   5
   6 Recently OpenWrt backported the updated of_get_mac_address()
   7 function which returns and error code instead.
   8
   9 So, patch the SSDK to use it and fix the compilation error.
  10
  11 Signed-off-by: Robert Marko <robimarko@gmail.com>
  12 ---
  13  src/init/ssdk_dts.c | 7 ++++---
  14  1 file changed, 4 insertions(+), 3 deletions(-)
  15
  16 --- a/src/init/ssdk_dts.c
  17 +++ b/src/init/ssdk_dts.c
  18 @@ -921,8 +921,9 @@ static void ssdk_dt_parse_intf_mac(void)
  19  {
  20         struct device_node *dp_node = NULL;
  21         a_uint32_t dp = 0;
  22 -       a_uint8_t *maddr = NULL;
  23 +       u8 maddr[ETH_ALEN];
  24         char dp_name[8] = {0};
  25 +       int ret;
  26
  27         for (dp = 1; dp <= SSDK_MAX_NR_ETH; dp++) {
  28                 snprintf(dp_name, sizeof(dp_name), "dp%d", dp);
  29 @@ -930,11 +931,11 @@ static void ssdk_dt_parse_intf_mac(void)
  30                 if (!dp_node) {
  31                         continue;
  32                 }
  33 -               maddr = (a_uint8_t *)of_get_mac_address(dp_node);
  34 +               ret = of_get_mac_address(dp_node, maddr);
  35  #if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 0, 0))
  36                 if (maddr && is_valid_ether_addr(maddr)) {
  37  #else
  38 -               if (!IS_ERR(maddr) && is_valid_ether_addr(maddr)) {
  39 +               if (!ret && is_valid_ether_addr(maddr)) {
  40  #endif
  41                         ssdk_dt_global.num_intf_mac++;
  42                         ether_addr_copy(ssdk_dt_global.intf_mac[dp-1].uc, maddr);