pinctrl: renesas: rza2: Embed pins in the priv struct

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Turn the separately allocated pinctrl_pin_desc array into a flexible
array member of struct rza2_pinctrl_priv, annotated with
__counted_by(npins).  Compute the pin count before allocation so
struct_size() can size the combined object, and the two allocations can
be collapsed into one.

Change npins to unsigned int to avoid potential overflow/underflow
errors.

Assisted-by: Claude:Opus-4.7
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260527202317.5347-1-rosenp@gmail.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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Rosen Penev 2026-05-27 13:23:17 -07:00 • committed by Geert Uytterhoeven

parent dc59e4fea9

commit 5a653cedec

1 changed files with 11 additions and 15 deletions

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drivers/pinctrl/renesas/pinctrl-rza2.c

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