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p54spi: convert to devicetree

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The Prism54 SPI driver hardcodes GPIO numbers and expects users to
pass them as module parameters, apparently a relic from its life as a
staging driver. This works because there is only one user, the Nokia
N8x0 tablet.

Convert this to the gpio descriptor interface and DT based probing
to improve this and simplify the code at the same time.

Acked-by: Christian Lamparter <chunkeey@gmail.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260507212451.3333185-3-arnd@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arnd Bergmann 2026-05-07 23:24:50 +02:00 • committed by Johannes Berg
commit 2f3592c92b
3 changed files with 26 additions and 62 deletions
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