diff options
| author | ejka <ejka@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-10-04 02:26:27 +0000 | 
|---|---|---|
| committer | ejka <ejka@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-10-04 02:26:27 +0000 | 
| commit | 58242e54174506f2426d122a1b0d4c1abd0b755f (patch) | |
| tree | e6e777d184165399c76baa4f28233349805df738 /target/linux/generic-2.6/patches-2.6.23/060-block2mtd_init.patch | |
| parent | 12e99cb789b45fa00e62fd4d379b26f9b040ffb7 (diff) | |
add generic 2.6.23 patches and config
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9114 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.23/060-block2mtd_init.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.23/060-block2mtd_init.patch | 114 | 
1 files changed, 114 insertions, 0 deletions
| diff --git a/target/linux/generic-2.6/patches-2.6.23/060-block2mtd_init.patch b/target/linux/generic-2.6/patches-2.6.23/060-block2mtd_init.patch new file mode 100644 index 000000000..b331f7361 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.23/060-block2mtd_init.patch @@ -0,0 +1,114 @@ +Index: linux-2.6.23-rc6/drivers/mtd/devices/block2mtd.c +=================================================================== +--- linux-2.6.23-rc6.orig/drivers/mtd/devices/block2mtd.c	2007-09-21 16:23:54.000000000 +0800 ++++ linux-2.6.23-rc6/drivers/mtd/devices/block2mtd.c	2007-09-21 16:23:59.000000000 +0800 +@@ -16,6 +16,7 @@ + #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> +@@ -237,10 +238,11 @@ +  +  + /* 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, char *mtdname) + { + 	struct block_device *bdev; + 	struct block2mtd_dev *dev; ++	struct mtd_partition *part; +  + 	if (!devname) + 		return NULL; +@@ -279,14 +281,18 @@ +  + 	/* Setup the MTD structure */ + 	/* make the name contain the block device in */ +-	dev->mtd.name = kmalloc(sizeof("block2mtd: ") + strlen(devname), +-			GFP_KERNEL); ++ ++	if (!mtdname) ++		mtdname = devname; ++ ++	dev->mtd.name = kmalloc(strlen(mtdname) + 1, GFP_KERNEL); ++ + 	if (!dev->mtd.name) + 		goto devinit_err; ++	 ++	strcpy(dev->mtd.name, mtdname); +  +-	sprintf(dev->mtd.name, "block2mtd: %s", devname); +- +-	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; +@@ -298,15 +304,18 @@ + 	dev->mtd.read = block2mtd_read; + 	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("blkmtd: "), +-			dev->mtd.erasesize >> 10, dev->mtd.erasesize); ++			mtdname, dev->mtd.erasesize >> 10, dev->mtd.erasesize); + 	return dev; +  + devinit_err: +@@ -379,9 +388,9 @@ +  + 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; +@@ -392,7 +401,7 @@ + 	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) +@@ -412,8 +421,10 @@ + 			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; + } +@@ -447,7 +458,7 @@ +  +  + 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) + { | 
