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author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-02-03 22:18:42 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-02-12 09:33:43 +0100 |
commit | 99bed342782b4cd0f3f9b943f858971c29936e10 (patch) | |
tree | 69b2e33bfe5475d614d63833c7aa43acccf49c91 | |
parent | 891e08b822e321879df24f0315fa3b6c7279d8a7 (diff) | |
download | barebox-99bed342782b4cd0f3f9b943f858971c29936e10.tar.gz barebox-99bed342782b4cd0f3f9b943f858971c29936e10.tar.xz |
mtd: Add partitions to list
So that we can iterate over the existing partitions from the master
mtd device.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | drivers/mtd/core.c | 8 | ||||
-rw-r--r-- | include/linux/mtd/mtd.h | 3 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c index 21d04a14eb..f5c03db1d7 100644 --- a/drivers/mtd/core.c +++ b/drivers/mtd/core.c @@ -400,6 +400,8 @@ int add_mtd_device(struct mtd_info *mtd, char *devname, int device_id) else mtd->cdev.name = asprintf("%s%d", devname, mtd->class_dev.id); + INIT_LIST_HEAD(&mtd->partitions); + mtd->cdev.priv = mtd; mtd->cdev.dev = &mtd->class_dev; mtd->cdev.mtd = mtd; @@ -421,6 +423,9 @@ int add_mtd_device(struct mtd_info *mtd, char *devname, int device_id) if (mtd->parent && !mtd->master) of_parse_partitions(&mtd->cdev, mtd->parent->device_node); + if (mtd->master) + list_add_tail(&mtd->partitions_entry, &mtd->master->partitions); + list_for_each_entry(hook, &mtd_register_hooks, hook) if (hook->add_mtd_device) hook->add_mtd_device(mtd, devname, &hook->priv); @@ -445,6 +450,9 @@ int del_mtd_device (struct mtd_info *mtd) unregister_device(&mtd->class_dev); free(mtd->param_size.value); free(mtd->cdev.name); + if (mtd->master) + list_del(&mtd->partitions_entry); + return 0; } diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 1d33592fef..72bd66b64a 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -220,6 +220,9 @@ struct mtd_info { struct mtd_info *master; loff_t master_offset; + + struct list_head partitions; + struct list_head partitions_entry; }; int mtd_erase(struct mtd_info *mtd, struct erase_info *instr); |