pinctrl: renesas: rzt2h: Skip PFC mode configuration if already set

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In rzt2h_pinctrl_set_pfc_mode(), read the PMC and PFC registers upfront
and skip the pin function configuration if the pin is already in
peripheral mode with the desired function.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260513115312.1574367-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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Lad Prabhakar 2026-05-13 12:53:12 +01:00 • committed by Geert Uytterhoeven

parent ccf707ca74

commit f9fb67bc77

1 changed files with 6 additions and 1 deletions

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drivers/pinctrl/renesas/pinctrl-rzt2h.c

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