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linux/Documentation
Mark Brown ce76a36223 spi: fix explicit controller deregistration
Johan Hovold <johan@kernel.org> says:

Turns out we have a few drivers that get the tear down ordering wrong
also when not using device managed registration (cf. [1] and [2]).

Fix this to avoid issues like system errors due to unclocked accesses,
NULL-pointer dereferences, hangs or failed I/O during during
deregistration (e.g. when powering down devices).

Johan

[1] https://lore.kernel.org/lkml/20260409120419.388546-2-johan@kernel.org/
[2] https://lore.kernel.org/lkml/20260410081757.503099-1-johan@kernel.org/
2026-04-20 12:39:35 +01:00
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2026-01-26 21:07:48 -07:00