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mtd: Add a function to report when the MTD dev list has been updated

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We need to parse mtdparts/mtids again everytime a device has been
added/removed from the MTD list, but there's currently no way to know
when such an update has been done.

Add an ->updated field to the idr struct that we set to true every time
a device is added/removed and expose a function returning the value
of this field and resetting it to false.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Boris Brezillon
2018-12-02 10:54:22 +01:00
committed by Jagan Teki
parent ef6ce46ad8
commit 4c47fd0b6b
2 changed files with 16 additions and 1 deletions
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include/linux/mtd/mtd.h
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@@ -581,6 +581,7 @@ int mtd_arg_off_size(int argc, char *const argv[], int *idx, loff_t *off,
void mtd_get_len_incl_bad(struct mtd_info *mtd, uint64_t offset,
const uint64_t length, uint64_t *len_incl_bad,
int *truncated);
bool mtd_dev_list_updated(void);
/* drivers/mtd/mtd_uboot.c */
int mtd_search_alternate_name(const char *mtdname, char *altname,