add generic 2.6.28 patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13546 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 110 insertions, 0 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.28/060-block2mtd_init.patch b/target/linux/generic-2.6/patches-2.6.28/060-block2mtd_init.patch
new file mode 100644
index 0000000000..50df4aae0f
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/060-block2mtd_init.patch
@@ -0,0 +1,110 @@
+--- a/drivers/mtd/devices/block2mtd.c
++++ b/drivers/mtd/devices/block2mtd.c
+@@ -14,6 +14,7 @@
+ #include <linux/list.h>
+ #include <linux/init.h>
+ #include <linux/mtd/mtd.h>
++#include <linux/mtd/partitions.h>
+ #include <linux/buffer_head.h>
+ #include <linux/mutex.h>
+ #include <linux/mount.h>
+@@ -232,10 +233,11 @@ static void block2mtd_free_device(struct
+ 
+ 
+ /* FIXME: ensure that mtd->size % erase_size == 0 */
+-static struct block2mtd_dev *add_device(char *devname, int erase_size)
++static struct block2mtd_dev *add_device(char *devname, int erase_size, const char *mtdname)
+ {
+ 	struct block_device *bdev;
+ 	struct block2mtd_dev *dev;
++	struct mtd_partition *part;
+ 	char *name;
+ 
+ 	if (!devname)
+@@ -273,17 +275,17 @@ static struct block2mtd_dev *add_device(
+ 
+ 	mutex_init(&dev->write_mutex);
+ 
+-	/* Setup the MTD structure */
+-	/* make the name contain the block device in */
+-	name = kmalloc(sizeof("block2mtd: ") + strlen(devname) + 1,
+-			GFP_KERNEL);
++	if (!mtdname)
++		mtdname = devname;
++
++	name = kmalloc(strlen(mtdname) + 1, GFP_KERNEL);
+ 	if (!name)
+ 		goto devinit_err;
+ 
+-	sprintf(name, "block2mtd: %s", devname);
++	strcpy(name, mtdname);
+ 	dev->mtd.name = name;
+ 
+-	dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
++	dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK & ~(erase_size - 1);
+ 	dev->mtd.erasesize = erase_size;
+ 	dev->mtd.writesize = 1;
+ 	dev->mtd.type = MTD_RAM;
+@@ -296,14 +298,17 @@ static struct block2mtd_dev *add_device(
+ 	dev->mtd.priv = dev;
+ 	dev->mtd.owner = THIS_MODULE;
+ 
+-	if (add_mtd_device(&dev->mtd)) {
++	part = kzalloc(sizeof(struct mtd_partition), GFP_KERNEL);
++	part->name = dev->mtd.name;
++	part->offset = 0;
++	part->size = dev->mtd.size;
++	if (add_mtd_partitions(&dev->mtd, part, 1)) {
+ 		/* Device didnt get added, so free the entry */
+ 		goto devinit_err;
+ 	}
+ 	list_add(&dev->list, &blkmtd_device_list);
+ 	INFO("mtd%d: [%s] erase_size = %dKiB [%d]", dev->mtd.index,
+-			dev->mtd.name + strlen("block2mtd: "),
+-			dev->mtd.erasesize >> 10, dev->mtd.erasesize);
++			mtdname, dev->mtd.erasesize >> 10, dev->mtd.erasesize);
+ 	return dev;
+ 
+ devinit_err:
+@@ -376,9 +381,9 @@ static char block2mtd_paramline[80 + 12]
+ 
+ static int block2mtd_setup2(const char *val)
+ {
+-	char buf[80 + 12]; /* 80 for device, 12 for erase size */
++	char buf[80 + 12 + 80]; /* 80 for device, 12 for erase size, 80 for name */
+ 	char *str = buf;
+-	char *token[2];
++	char *token[3];
+ 	char *name;
+ 	size_t erase_size = PAGE_SIZE;
+ 	int i, ret;
+@@ -389,7 +394,7 @@ static int block2mtd_setup2(const char *
+ 	strcpy(str, val);
+ 	kill_final_newline(str);
+ 
+-	for (i = 0; i < 2; i++)
++	for (i = 0; i < 3; i++)
+ 		token[i] = strsep(&str, ",");
+ 
+ 	if (str)
+@@ -408,8 +413,10 @@ static int block2mtd_setup2(const char *
+ 			parse_err("illegal erase size");
+ 		}
+ 	}
++	if (token[2] && (strlen(token[2]) + 1 > 80))
++		parse_err("mtd device name too long");
+ 
+-	add_device(name, erase_size);
++	add_device(name, erase_size, token[2]);
+ 
+ 	return 0;
+ }
+@@ -443,7 +450,7 @@ static int block2mtd_setup(const char *v
+ 
+ 
+ module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200);
+-MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>]\"");
++MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>[,<name>]]\"");
+ 
+ static int __init block2mtd_init(void)
+ {