From 17e3eb3ce337de5dba245ed567eb350d3459a15e Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Tue, 19 Aug 2008 18:07:57 +0000
Subject: [PATCH] redboot.c - adds implicit creation of boardconfig partition

SVN-Revision: 12340
---
 .../071-redboot_boardconfig.patch             | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 target/linux/generic-2.6/patches-2.6.26/071-redboot_boardconfig.patch

diff --git a/target/linux/generic-2.6/patches-2.6.26/071-redboot_boardconfig.patch b/target/linux/generic-2.6/patches-2.6.26/071-redboot_boardconfig.patch
new file mode 100644
index 00000000000..48c7d52cb7a
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.26/071-redboot_boardconfig.patch
@@ -0,0 +1,62 @@
+Index: linux-2.6.26.2/drivers/mtd/redboot.c
+===================================================================
+--- linux-2.6.26.2.orig/drivers/mtd/redboot.c	2008-08-19 19:32:17.000000000 +0200
++++ linux-2.6.26.2/drivers/mtd/redboot.c	2008-08-19 19:47:34.000000000 +0200
+@@ -13,6 +13,8 @@
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
+ 
++#define BOARD_CONFIG_PART		"boardconfig"
++
+ struct fis_image_desc {
+     unsigned char name[16];      // Null terminated name
+     uint32_t	  flash_base;    // Address within FLASH of image
+@@ -43,6 +45,7 @@
+                              struct mtd_partition **pparts,
+                              unsigned long fis_origin)
+ {
++	unsigned long max_offset = 0;
+ 	int nrparts = 0;
+ 	struct fis_image_desc *buf;
+ 	struct mtd_partition *parts;
+@@ -217,14 +220,14 @@
+ 		}
+ 	}
+ #endif
+-	parts = kzalloc(sizeof(*parts)*nrparts + nulllen + namelen, GFP_KERNEL);
++	parts = kzalloc(sizeof(*parts) * (nrparts + 1) + nulllen + namelen + sizeof(BOARD_CONFIG_PART), GFP_KERNEL);
+ 
+ 	if (!parts) {
+ 		ret = -ENOMEM;
+ 		goto out;
+ 	}
+ 
+-	nullname = (char *)&parts[nrparts];
++	nullname = (char *)&parts[nrparts + 1];
+ #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
+ 	if (nulllen > 0) {
+ 		strcpy(nullname, nullstring);
+@@ -243,6 +246,8 @@
+ 	}
+ #endif
+ 	for ( ; i<nrparts; i++) {
++		if(max_offset < buf[i].flash_base + buf[i].size)
++			max_offset = buf[i].flash_base + buf[i].size;
+ 		parts[i].size = fl->img->size;
+ 		parts[i].offset = fl->img->flash_base;
+ 		parts[i].name = names;
+@@ -276,6 +281,14 @@
+ 		fl = fl->next;
+ 		kfree(tmp_fl);
+ 	}
++	if(master->size - max_offset >= master->erasesize)
++	{
++		parts[nrparts].size = master->size - max_offset;
++		parts[nrparts].offset = max_offset;
++		parts[nrparts].name = names;
++		strcpy(names, BOARD_CONFIG_PART);
++		nrparts++;
++	}
+ 	ret = nrparts;
+ 	*pparts = parts;
+  out:
-- 
2.30.2