With this patch now, the user can call "ubi part" multiple times to re-connect the UBI device to another MTD partition.

Signed-off-by: Stefan Roese sr@denx.de --- v2: - Call del_mtd_partitions() after calling ubi_exit() to really clean up the previously configured mtd subsystem.

common/cmd_ubi.c | 11 +++++++++++ drivers/mtd/ubi/build.c | 1 + include/ubi_uboot.h | 1 + 3 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c index 8446765..495d71e 100644 --- a/common/cmd_ubi.c +++ b/common/cmd_ubi.c @@ -31,6 +31,7 @@ /* Private own data */ static struct ubi_device *ubi; static char buffer[80]; +static int ubi_initialized;

struct selected_dev { char dev_name[32]; /* NAND/OneNAND etc */ @@ -428,6 +429,8 @@ static int ubi_dev_scan(struct mtd_info *info, char *ubidev) return err; }

+ ubi_initialized = 1; + return 0; }

@@ -464,6 +467,14 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) ubi_dev.nr = 0;

/* + * Call ubi_exit() before re-initializing the UBI subsystem + */ + if (ubi_initialized) { + ubi_exit(); + del_mtd_partitions(ubi_dev.mtd_info); + } + + /* * Check for nand|onenand selection */ #if defined(CONFIG_CMD_NAND) diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 17cabb2..bdf75c9 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -1059,6 +1059,7 @@ void __exit ubi_exit(void) misc_deregister(&ubi_ctrl_cdev); class_remove_file(ubi_class, &ubi_version); class_destroy(ubi_class); + mtd_devs = 0; } module_exit(ubi_exit);

diff --git a/include/ubi_uboot.h b/include/ubi_uboot.h index 295f2c0..095dfc1 100644 --- a/include/ubi_uboot.h +++ b/include/ubi_uboot.h @@ -211,6 +211,7 @@ static inline long IS_ERR(const void *ptr) /* functions */ extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp); extern int ubi_init(void); +extern void ubi_exit(void);

extern struct ubi_device *ubi_devices[];