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rules: add mtd/by-name symlinks

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Add persistent symlinks for MTD devices like SPI-NOR flash, based on the
partition names specified on the cmdline, in a Device Tree, or by other
MTD partitioning parser drivers. Using the persistent name can be
preferable to using the numbered /dev/mtdX device, as the latter can
change depending on probe order or when partitioning has changed.
This commit is contained in:
Matthias Schiffer 2023-10-11 16:33:25 +02:00 committed by Matthias Schiffer
parent 9e7c4e744b
commit 944803d916
2 changed files with 13 additions and 0 deletions
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12
rules/60-persistent-storage-mtd.rules Normal file
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@ -0,0 +1,12 @@
# do not edit this file, it will be overwritten on update
# persistent storage links: /dev/mtd/by-name
ACTION=="remove", GOTO="persistent_storage_mtd_end"
SUBSYSTEM!="mtd", GOTO="persistent_storage_mtd_end"
KERNEL!="mtd[0-9]*", GOTO="persistent_storage_mtd_end"
KERNEL=="mtd[0-9]*ro", GOTO="persistent_storage_mtd_end"
ATTR{name}=="?*", SYMLINK+="mtd/by-name/$attr{name}"
LABEL="persistent_storage_mtd_end"

1
rules/Makefile.am
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@ -17,6 +17,7 @@ dist_udevrules_DATA = \
60-input-id.rules \
60-persistent-alsa.rules \
60-persistent-input.rules \
60-persistent-storage-mtd.rules \
60-persistent-storage-tape.rules \
60-persistent-v4l.rules \
60-sensor.rules \