Linus Walleij [off-list ref] writes:

From: Phil Elwell <redacted>

When dynamically unloading overlays, it is important that freed pins are
restored to being inputs to prevent functions from being enabled in
multiple places at once.

Cc: Stefan Wahren <redacted>
Cc: Eric Anholt <redacted>
Cc: Stephen Warren <redacted>
Signed-off-by: Phil Elwell <redacted>
Signed-off-by: Linus Walleij <redacted>

Acked-by: Eric Anholt <redacted>
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