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| Filename | Latest commit message | Latest commit date |
|---|---|---|
44fd02a3d7
[ Upstream commit 7b01b7239d0dc9832e0d0d23605c1ff047422a2c ]
When the nvmem framework is enabled, a nvmem device is created per mtd
device/partition.
It is not uncommon that a device can have multiple mtd devices with
partitions that have the same name. Eg, when there DT overlay is allowed
and the same device with mtd is attached twice.
Under that circumstances, the mtd fails to register due to a name
duplication on the nvmem framework.
With this patch we use the mtdX name instead of the partition name,
which is unique.
[ 8.948991] sysfs: cannot create duplicate filename '/bus/nvmem/devices/Production Data'
[ 8.948992] CPU: 7 PID: 246 Comm: systemd-udevd Not tainted 5.5.0-qtec-standard #13
[ 8.948993] Hardware name: AMD Dibbler/Dibbler, BIOS 05.22.04.0019 10/26/2019
[ 8.948994] Call Trace:
[ 8.948996] dump_stack+0x50/0x70
[ 8.948998] sysfs_warn_dup.cold+0x17/0x2d
[ 8.949000] sysfs_do_create_link_sd.isra.0+0xc2/0xd0
[ 8.949002] bus_add_device+0x74/0x140
[ 8.949004] device_add+0x34b/0x850
[ 8.949006] nvmem_register.part.0+0x1bf/0x640
...
[ 8.948926] mtd mtd8: Failed to register NVMEM device
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.