From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 241B51C3BEB for ; Wed, 20 May 2026 13:15:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779282936; cv=none; b=W3CCXreqLxpMTRd0d6gpKk29LqOBpbVHouM/lsFSakwzKyR2QRXrh0tQeTqXjfb7pWU+86naqcsV2Z5YBNqAVEeKjbl14t4Tyh1OzeC2/T0O0t8ImW6zhX8ui3Qbt6VDxp4PVknYHAIG7wN1SunCbL5yRiEIAKwqNTjEaT24W4o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779282936; c=relaxed/simple; bh=LvU0blZPAe85HFV2W2cIy9ScHvYk0h21ylgC6ket1ak=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=kPfp8SmJIK0vCT0OFX4W9nlQo5gqOWOHNg+UQpCDvxJWIzdv00h/M1eJIYh7l8GnltfvFObek31DhPtiu6bBBcUfXc7/8B5wt1tcj5Gbmt/un9KAzgXkyknQ83t2hTj6V8hpOQ8S7tBZNVAYzUop0Y19vm6e1gYQV38sBgARHm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y72gpe0z; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Y72gpe0z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 70AA41F000E9; Wed, 20 May 2026 13:15:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779282934; bh=vT277olcJ9OKS4+MATx3mmi6USeLxVT6fHEiUXX5X2s=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Y72gpe0zXK455SHxQ9u24VUk+h9yDGQrivN5G6i5J5ryWkevEuRALOKaFoTXbupb1 lTNI9Rl46QJJc4ebXpV7yEoNI6Y7eyvVgh2+vDNIJMIDFx1yqNZy4Okmo3DPAsWCz/ qh7PTRteBpd0bGENrtIXS+da12hhTyQc5WjLY0cyFVAKIGy+68/cAlpe66fxFEMmly Ch4qngA1diFEbd74JBb4pu/5ALNelpdoa2GT4eZDCetCUyaYUGoQOcXIXWB+wRzFJV +hUQrvn3Pj6nZUu2eZUsOUMEPbeM5RLshOdFn0EnK8kODjieSNBGE+nhh/c0RY5zNh Gv0PRWK5EU5/g== Message-ID: Date: Wed, 20 May 2026 15:15:31 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv2] powerpc/44x: Set GPIO chip parent To: Rosen Penev , linuxppc-dev@lists.ozlabs.org Cc: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Linus Walleij , open list References: <20260517063754.21819-1-rosenp@gmail.com> Content-Language: fr-FR From: "Christophe Leroy (CS GROUP)" In-Reply-To: <20260517063754.21819-1-rosenp@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Le 17/05/2026 à 08:37, Rosen Penev a écrit : > 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) > --- > 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;