i3c: master: Add sysfs option to rescan bus via entdaa

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Allow userspace to request dynamic address assignment, which is
useful for i3cdev devices with broken hot-join support.
This will assign dynamic addresses to all devices on the I3C bus
which are currently unassigned.

Signed-off-by: David Nyström <david.nystrom@est.tech>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Meagan Lloyd <meaganlloyd@linux.microsoft.com>
Link: https://patch.msgid.link/20260219-i3c_rescan-v6-1-b81d6cc3cb30@est.tech
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

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David Nyström 2026-02-19 21:58:03 +01:00 • committed by Alexandre Belloni

parent 335c21a2bb

commit 8ea0b60bc0

2 changed files with 47 additions and 0 deletions

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20

Documentation/ABI/testing/sysfs-bus-i3c

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27

drivers/i3c/master.c

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