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50 lines
1.4 KiB
Diff
50 lines
1.4 KiB
Diff
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From 05b8773ca33253ea562be145cf3145b05ef19f86 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Thu, 22 Dec 2022 19:33:31 +0000
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Subject: [PATCH] mtd: ubi: block: wire-up device parent
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ubiblock devices were previously only identifyable by their name, but
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not connected to their parent UBI volume device e.g. in sysfs.
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Properly parent ubiblock device as descendant of a UBI volume device
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to reflect device model hierachy.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Signed-off-by: Richard Weinberger <richard@nod.at>
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---
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drivers/mtd/ubi/block.c | 2 +-
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drivers/mtd/ubi/kapi.c | 1 +
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include/linux/mtd/ubi.h | 1 +
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3 files changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/ubi/block.c
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+++ b/drivers/mtd/ubi/block.c
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@@ -452,7 +452,7 @@ int ubiblock_create(struct ubi_volume_in
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list_add_tail(&dev->list, &ubiblock_devices);
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/* Must be the last step: anyone can call file ops from now on */
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- ret = add_disk(dev->gd);
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+ ret = device_add_disk(vi->dev, dev->gd, NULL);
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if (ret)
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goto out_destroy_wq;
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--- a/drivers/mtd/ubi/kapi.c
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+++ b/drivers/mtd/ubi/kapi.c
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@@ -79,6 +79,7 @@ void ubi_do_get_volume_info(struct ubi_d
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vi->name_len = vol->name_len;
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vi->name = vol->name;
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vi->cdev = vol->cdev.dev;
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+ vi->dev = &vol->dev;
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}
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/**
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--- a/include/linux/mtd/ubi.h
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+++ b/include/linux/mtd/ubi.h
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@@ -110,6 +110,7 @@ struct ubi_volume_info {
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int name_len;
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const char *name;
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dev_t cdev;
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+ struct device *dev;
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};
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/**
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