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From 1ecf9e390452e73a362ea7fbde8f3f0db83de856 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Thu, 22 Dec 2022 19:33:04 +0000
Subject: [PATCH] mtd: ubi: wire-up parent MTD device
Wire up the device parent pointer of UBI devices to their lower MTD
device, typically an MTD partition or whole-chip device.
The most noticeable change is that in sysfs, previously ubi devices
would be could in /sys/devices/virtual/ubi while after this change they
would be correctly attached to their parent MTD device, e.g.
/sys/devices/platform/1100d000.spi/spi_master/spi1/spi1.0/mtd/mtd2/ubi0.
Locating UBI devices using /sys/class/ubi/ of course still works as
well.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
---
drivers/mtd/ubi/build.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -929,6 +929,7 @@ int ubi_attach_mtd_dev(struct mtd_info *
ubi->dev.release = dev_release;
ubi->dev.class = &ubi_class;
ubi->dev.groups = ubi_dev_groups;
+ ubi->dev.parent = &mtd->dev;
ubi->mtd = mtd;
ubi->ubi_num = ubi_num;
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