From nobody Sat Oct 4 09:34:57 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 31CAD26CE12; Tue, 19 Aug 2025 07:14:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755587700; cv=none; b=e2QgZsVU9s0xwv6au4BoesNIJy0UgzE/WAO8Ty+N8Ca7O5Oxo7atazMhLbLKSnNKaYT/cz6yc/H+nXoaqdxXcDmvrJ78ndv27ItPGKbd6nZny1GK+s2xg6FnlKbPvS24kPgokUmP75t7Iu7jdXuwIsK7CWXWhFHZepH4xlPiOgw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755587700; c=relaxed/simple; bh=w8gq1jN0KiRRbkHHXaDjSTc4CGx+3z84B6Oc0xZb3Z4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Wx55lGwmdU20Fd6afLgPklX6BsKjqpfsgREj04+f3wbcfMN0/sJ/zIOyEKOMi32dEnLtrCOPoHzJCg/82kj1inWgV7WEooAD4BO2cb5gJPwveD1qSp0Jsc/xcf4Aj9uTAryOJYbqdNa6ZfLUJeuO6odREJgHqawLr3N4/ToObsc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VYLek3Vk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VYLek3Vk" Received: by smtp.kernel.org (Postfix) with ESMTPS id D02D1C4CEF4; Tue, 19 Aug 2025 07:14:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755587699; bh=w8gq1jN0KiRRbkHHXaDjSTc4CGx+3z84B6Oc0xZb3Z4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=VYLek3Vk2rdCqp7d0jAFGMLTam9oq/giUaplgVJku+w/9uEazdmbopTR+wbzB/fT8 rNgVciqVXRO93tvs86mScsCyuJYw19opzatzrtgd4/UXwkhtjkB63ztqnM9XgECTlX PveUSLDHglI/yEh5OCGPjxsSH8KsEy98EGwtLYm/KyxUEPxI3Vklpn97aZaefWYWe4 ZiYSY1y7KclqwOmH7eHbo7ub72FnZMN9In0OfeG6v6rTVIo/f6mDyFEMp+AIJcnFoa EX+frPfQjvdtv9MlAISFB/OVCn9kg7nYbfIw0xxQECTHHTyzGPTfEhdt0J3qIpoHIj aM5W51zUJin3g== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2E01CA0EF5; Tue, 19 Aug 2025 07:14:59 +0000 (UTC) From: Manivannan Sadhasivam via B4 Relay Date: Tue, 19 Aug 2025 12:44:51 +0530 Subject: [PATCH 2/6] PCI/pwrctrl: Move pci_pwrctrl_init() before turning ON the supplies Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250819-pci-pwrctrl-perst-v1-2-4b74978d2007@oss.qualcomm.com> References: <20250819-pci-pwrctrl-perst-v1-0-4b74978d2007@oss.qualcomm.com> In-Reply-To: <20250819-pci-pwrctrl-perst-v1-0-4b74978d2007@oss.qualcomm.com> To: Manivannan Sadhasivam , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Bartosz Golaszewski , Saravana Kannan Cc: linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Krishna Chaitanya Chundru , Brian Norris , Manivannan Sadhasivam , Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2110; i=manivannan.sadhasivam@oss.qualcomm.com; h=from:subject:message-id; bh=R+1x069ihDCZtvKq09JWHM41uYbGfvNk9pQz/Px8wHE=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBopCRwWISsLEKBCJ//ZxObCZSQPRynr8EU/ahBG ZI3wrnYgNSJATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCaKQkcAAKCRBVnxHm/pHO 9Uu/CACOo+9U0xKUKbd/DVRPzA8CPx7kVN2ETJZoSPycSzIiwn8AyUSaB/qvCNuC8VcXLm+eIik kDtSfeqY4a1C5kJCdFy2kfb+KbZwAEYjrTT6u1JZAndVIU6H/sPKT4dFiVDBu/aNfXq8YAdOynq F5RFG7R5KRCoBJeLuKdoZJ8gSHiqYD8QYP5ofRE4LGtE2lnvT19sZcA7XC9KsioDPlpYyD/znfF CwAqZ/OciBf7Ebq32/BnL+riknmV4xmE2emeC92GvU4QYbnwr/yhgjjeFgnKK41+iEhME6BEBwG VfBV0gwZ/wyJNsYo8zKMMTxy1tKMyjHuXW06fF688/ztq8Qg X-Developer-Key: i=manivannan.sadhasivam@oss.qualcomm.com; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 X-Endpoint-Received: by B4 Relay for manivannan.sadhasivam@oss.qualcomm.com/default with auth_id=461 X-Original-From: Manivannan Sadhasivam Reply-To: manivannan.sadhasivam@oss.qualcomm.com From: Manivannan Sadhasivam To allow pwrctrl core to parse the generic resources such as PERST# GPIO before turning on the supplies. Reviewed-by: Bartosz Golaszewski Signed-off-by: Manivannan Sadhasivam --- drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c | 4 ++-- drivers/pci/pwrctrl/slot.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c b/drivers/pci/pwrctrl= /pci-pwrctrl-pwrseq.c index 4e664e7b8dd23f592c0392efbf6728fc5bf9093f..b65955adc7bd44030593e8c49d6= 0db0f39b03d03 100644 --- a/drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c +++ b/drivers/pci/pwrctrl/pci-pwrctrl-pwrseq.c @@ -80,6 +80,8 @@ static int pci_pwrctrl_pwrseq_probe(struct platform_devic= e *pdev) if (!data) return -ENOMEM; =20 + pci_pwrctrl_init(&data->ctx, dev); + data->pwrseq =3D devm_pwrseq_get(dev, pdata->target); if (IS_ERR(data->pwrseq)) return dev_err_probe(dev, PTR_ERR(data->pwrseq), @@ -95,8 +97,6 @@ static int pci_pwrctrl_pwrseq_probe(struct platform_devic= e *pdev) if (ret) return ret; =20 - pci_pwrctrl_init(&data->ctx, dev); - ret =3D devm_pci_pwrctrl_device_set_ready(dev, &data->ctx); if (ret) return dev_err_probe(dev, ret, diff --git a/drivers/pci/pwrctrl/slot.c b/drivers/pci/pwrctrl/slot.c index 6e138310b45b9f7e930b6814e0a24f7111d25fee..b68406a6b027e4d9f853e86d434= 0e0ab267b6126 100644 --- a/drivers/pci/pwrctrl/slot.c +++ b/drivers/pci/pwrctrl/slot.c @@ -38,6 +38,8 @@ static int pci_pwrctrl_slot_probe(struct platform_device = *pdev) if (!slot) return -ENOMEM; =20 + pci_pwrctrl_init(&slot->ctx, dev); + ret =3D of_regulator_bulk_get_all(dev, dev_of_node(dev), &slot->supplies); if (ret < 0) { @@ -63,8 +65,6 @@ static int pci_pwrctrl_slot_probe(struct platform_device = *pdev) "Failed to enable slot clock\n"); } =20 - pci_pwrctrl_init(&slot->ctx, dev); - ret =3D devm_pci_pwrctrl_device_set_ready(dev, &slot->ctx); if (ret) return dev_err_probe(dev, ret, "Failed to register pwrctrl driver\n"); --=20 2.45.2