diff options
| -rw-r--r-- | board/qualcomm/dragonboard410c/dragonboard410c.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/board/qualcomm/dragonboard410c/dragonboard410c.c b/board/qualcomm/dragonboard410c/dragonboard410c.c index d0d82489f53..744ac4fda8e 100644 --- a/board/qualcomm/dragonboard410c/dragonboard410c.c +++ b/board/qualcomm/dragonboard410c/dragonboard410c.c @@ -97,9 +97,9 @@ int qcom_late_init(void) return 0; } -/* Fixup of DTB for Linux Kernel - * 1. Fixup installed DRAM. - * 2. Fixup WLAN/BT Mac address: +/* + * Fixup of DTB for Linux Kernel + * 1. Fixup WLAN/BT Mac address: * First, check if MAC addresses for WLAN/BT exists as environemnt * variables wlanaddr,btaddr. if not, generate a unique address. */ @@ -107,6 +107,7 @@ int qcom_late_init(void) int ft_board_setup(void *blob, struct bd_info *bd) { u8 mac[ARP_HLEN]; + int i; if (!eth_env_get_enetaddr("wlanaddr", mac)) { msm_generate_mac_addr(mac); @@ -118,12 +119,24 @@ int ft_board_setup(void *blob, struct bd_info *bd) if (!eth_env_get_enetaddr("btaddr", mac)) { msm_generate_mac_addr(mac); -/* The BD address is same as WLAN MAC address but with - * least significant bit flipped. - */ - mac[0] ^= 0x01; + /* + * The BD address is same as WLAN MAC address but with + * least significant bit flipped. + */ + mac[ARP_HLEN - 1] ^= 0x01; }; + /* + * Reverse array since local-bd-address is formatted with least + * significant byte first (little endian). + */ + for (i = 0; i < ARP_HLEN / 2; ++i) { + u8 tmp = mac[i]; + + mac[i] = mac[ARP_HLEN - 1 - i]; + mac[ARP_HLEN - 1 - i] = tmp; + } + do_fixup_by_compat(blob, "qcom,wcnss-bt", "local-bd-address", mac, ARP_HLEN, 1); return 0; |