From b9254d222d0b38cc6f7b73119fad6316f65278be Mon Sep 17 00:00:00 2001 From: Rosen Penev Date: Sat, 16 May 2026 23:37:54 -0700 Subject: [PATCH] powerpc/44x: Set GPIO chip parent The PPC4xx GPIO driver stopped assigning an explicit parent to the gpio_chip when it moved away from of_mm_gpiochip_add_data(). Restore that association from the platform device so OF GPIO lookup can match phandles to the registered gpiochip. Tested on: Cisco MX60W. No more probe deferral. Assisted-by: Codex:GPT-5.5 Fixes: 1044dbaf2a77 ("powerpc/44x: Change GPIO driver to a proper platform driver") Signed-off-by: Rosen Penev Reviewed-by: Christophe Leroy (CS GROUP) Reviewed-by: Linus Walleij Signed-off-by: Madhavan Srinivasan Link: https://patch.msgid.link/20260517063754.21819-1-rosenp@gmail.com --- arch/powerpc/platforms/44x/gpio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/44x/gpio.c b/arch/powerpc/platforms/44x/gpio.c index aea0d913b59d..4413a94cf7a6 100644 --- a/arch/powerpc/platforms/44x/gpio.c +++ b/arch/powerpc/platforms/44x/gpio.c @@ -169,6 +169,7 @@ static int ppc4xx_gpio_probe(struct platform_device *ofdev) gc = &chip->gc; + gc->parent = dev; gc->base = -1; gc->ngpio = 32; gc->direction_input = ppc4xx_gpio_dir_in;