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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 <sr@denx.de>
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3 changed files with 13 additions and 0 deletions
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@ -31,6 +31,7 @@
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/* Private own data */
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static struct ubi_device *ubi;
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static char buffer[80];
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static int ubi_initialized;
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struct selected_dev {
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char dev_name[32]; /* NAND/OneNAND etc */
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@ -428,6 +429,8 @@ static int ubi_dev_scan(struct mtd_info *info, char *ubidev)
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return err;
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}
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ubi_initialized = 1;
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return 0;
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}
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@ -463,6 +466,14 @@ static int do_ubi(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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/* todo: get dev number for NAND... */
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ubi_dev.nr = 0;
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/*
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* Call ubi_exit() before re-initializing the UBI subsystem
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*/
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if (ubi_initialized) {
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ubi_exit();
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del_mtd_partitions(ubi_dev.mtd_info);
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}
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/*
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* Check for nand|onenand selection
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*/
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@ -1059,6 +1059,7 @@ void __exit ubi_exit(void)
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misc_deregister(&ubi_ctrl_cdev);
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class_remove_file(ubi_class, &ubi_version);
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class_destroy(ubi_class);
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mtd_devs = 0;
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}
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module_exit(ubi_exit);
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@ -211,6 +211,7 @@ static inline long IS_ERR(const void *ptr)
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/* functions */
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extern int ubi_mtd_param_parse(const char *val, struct kernel_param *kp);
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extern int ubi_init(void);
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extern void ubi_exit(void);
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extern struct ubi_device *ubi_devices[];
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