From: Manivannan Sadhasivam <mani@kernel.org>
To: "Bartosz Golaszewski" <brgl@bgdev.pl>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Rob Herring" <robh@kernel.org>
Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>,
Brian Norris <briannorris@chromium.org>,
Manivannan Sadhasivam <mani@kernel.org>
Subject: [PATCH RFC 1/3] PCI/pwrctrl: Move pci_pwrctrl_init() before turning ON the supplies
Date: Mon, 07 Jul 2025 23:48:38 +0530 [thread overview]
Message-ID: <20250707-pci-pwrctrl-perst-v1-1-c3c7e513e312@kernel.org> (raw)
In-Reply-To: <20250707-pci-pwrctrl-perst-v1-0-c3c7e513e312@kernel.org>
To allow pwrctrl core to parse the generic resources such as PERST# GPIO
before turning on the supplies.
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
---
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..b65955adc7bd44030593e8c49d60db0f39b03d03 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_device *pdev)
if (!data)
return -ENOMEM;
+ pci_pwrctrl_init(&data->ctx, dev);
+
data->pwrseq = 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_device *pdev)
if (ret)
return ret;
- pci_pwrctrl_init(&data->ctx, dev);
-
ret = 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 18becc144913e04709783be43efe09c33ed2b502..97170c85d6f58f0812321716cb57e1fd8856572f 100644
--- a/drivers/pci/pwrctrl/slot.c
+++ b/drivers/pci/pwrctrl/slot.c
@@ -36,6 +36,8 @@ static int pci_pwrctrl_slot_probe(struct platform_device *pdev)
if (!slot)
return -ENOMEM;
+ pci_pwrctrl_init(&slot->ctx, dev);
+
ret = of_regulator_bulk_get_all(dev, dev_of_node(dev),
&slot->supplies);
if (ret < 0) {
@@ -55,8 +57,6 @@ static int pci_pwrctrl_slot_probe(struct platform_device *pdev)
if (ret)
goto err_regulator_disable;
- pci_pwrctrl_init(&slot->ctx, dev);
-
ret = devm_pci_pwrctrl_device_set_ready(dev, &slot->ctx);
if (ret)
return dev_err_probe(dev, ret, "Failed to register pwrctrl driver\n");
--
2.45.2
next prev parent reply other threads:[~2025-07-07 18:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-07 18:18 [PATCH RFC 0/3] PCI/pwrctrl: Allow pwrctrl framework to control PERST# GPIO if available Manivannan Sadhasivam
2025-07-07 18:18 ` Manivannan Sadhasivam [this message]
2025-07-11 9:39 ` [PATCH RFC 1/3] PCI/pwrctrl: Move pci_pwrctrl_init() before turning ON the supplies Bartosz Golaszewski
2025-07-07 18:18 ` [PATCH RFC 2/3] PCI/pwrctrl: Allow pwrctrl core to control PERST# GPIO if available Manivannan Sadhasivam
2025-07-09 3:15 ` Brian Norris
2025-07-09 8:05 ` Manivannan Sadhasivam
2025-07-11 23:49 ` Brian Norris
2025-07-12 0:38 ` Brian Norris
2025-07-12 8:29 ` Manivannan Sadhasivam
2025-07-24 14:13 ` Manivannan Sadhasivam
2025-07-25 21:04 ` Brian Norris
2025-07-28 4:48 ` Manivannan Sadhasivam
2025-07-07 18:18 ` [PATCH RFC 3/3] PCI: qcom: Allow pwrctrl framework to control PERST# Manivannan Sadhasivam
2025-07-09 3:18 ` Brian Norris
2025-07-09 8:23 ` Manivannan Sadhasivam
2025-07-11 23:42 ` Brian Norris
2025-07-12 6:20 ` Manivannan Sadhasivam
2025-07-25 20:53 ` Brian Norris
2025-07-28 5:06 ` Manivannan Sadhasivam
2025-07-09 1:39 ` [PATCH RFC 0/3] PCI/pwrctrl: Allow pwrctrl framework to control PERST# GPIO if available Brian Norris
2025-07-09 6:48 ` Manivannan Sadhasivam
2025-07-12 0:04 ` Brian Norris
2025-07-12 6:06 ` Manivannan Sadhasivam
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250707-pci-pwrctrl-perst-v1-1-c3c7e513e312@kernel.org \
--to=mani@kernel.org \
--cc=bhelgaas@google.com \
--cc=brgl@bgdev.pl \
--cc=briannorris@chromium.org \
--cc=jingoohan1@gmail.com \
--cc=krishna.chundru@oss.qualcomm.com \
--cc=kwilczynski@kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=robh@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®