openwrtv3/target/linux/brcm63xx/patches-3.14/369-MIPS-BCM63XX-add-support-for-matching-the-board_info.patch

From b9bc4eb19007fd35b57a10c4dfd442dd518ee345 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Thu, 26 Jun 2014 12:51:00 +0200
Subject: [PATCH 47/48] MIPS: BCM63XX: add support for matching the board_info
 by dtb

Allow using the passed dtb's compatible property to match board_info
structs instead of nvram's boardname field, which is not unique anyway.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
---
 arch/mips/bcm63xx/boards/board_bcm963xx.c |  4 ++--
 arch/mips/bcm63xx/boards/board_common.c   | 13 +++++++++++++
 arch/mips/bcm63xx/boards/board_common.h   |  3 +++
 3 files changed, 18 insertions(+), 2 deletions(-)

--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -785,9 +785,9 @@ void __init board_bcm963xx_init(void)
 	} else {
 		board_name = bcm63xx_nvram_get_name();
 	}
-	/* find board by name */
+	/* find board by name/compat */
 	for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
-		if (strncmp(board_name, bcm963xx_boards[i]->name, 16))
+		if (!board_is_compatible(bcm963xx_boards[i], board_name))
 			continue;
 		/* copy, board desc array is marked initdata */
 		board_early_setup(bcm963xx_boards[i],
--- a/arch/mips/bcm63xx/boards/board_common.c
+++ b/arch/mips/bcm63xx/boards/board_common.c
@@ -281,3 +281,16 @@ int __init board_register_devices(void)
 
 	return 0;
 }
+
+int __init board_is_compatible(const struct board_info *board,
+			       const char *board_name)
+{
+#ifdef CONFIG_OF
+	if (initial_boot_params) {
+		unsigned long dt_root = of_get_flat_dt_root();
+
+		return of_flat_dt_is_compatible(dt_root, board->of_board_id);
+	}
+#endif
+	return !strncmp(board_name, board->name, 16);
+}
--- a/arch/mips/bcm63xx/boards/board_common.h
+++ b/arch/mips/bcm63xx/boards/board_common.h
@@ -6,6 +6,9 @@
 void board_early_setup(const struct board_info *board,
 		       int (*get_mac_address)(u8 mac[ETH_ALEN]));
 
+int board_is_compatible(const struct board_info *board,
+			const char *board_name);
+
 #if defined(CONFIG_BOARD_BCM963XX)
 void board_bcm963xx_init(void);
 #else