From 2ee951ba2ac9874d2a93d52e7a187d3184be937e Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 27 Nov 2008 14:07:09 +0100 Subject: [PATCH] UBI: Enable re-initializing of the "ubi part" command 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 --- common/cmd_ubi.c | 11 +++++++++++ drivers/mtd/ubi/build.c | 1 + include/ubi_uboot.h | 1 + 3 files changed, 13 insertions(+) diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c index 8446765878..495d71ec0a 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; } @@ -463,6 +466,14 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) /* todo: get dev number for NAND... */ 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 */ diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 17cabb2ae9..bdf75c98a1 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 295f2c0ffc..095dfc1b20 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[]; -- 2.25.1