linux-kernel - [PATCH v2 4/8] PCI/ASPM: Improve the kernel-doc for pci_disable_link

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250825-ath-aspm-fix-v2-4-61b2f2db7d89@oss.qualcomm.com>
Date: Mon, 25 Aug 2025 23:14:39 +0530
From: Manivannan Sadhasivam via B4 Relay <devnull+manivannan.sadhasivam.oss.qualcomm.com@...nel.org>
To: Bjorn Helgaas <bhelgaas@...gle.com>, 
 Manivannan Sadhasivam <mani@...nel.org>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kwilczynski@...nel.org>, 
 Rob Herring <robh@...nel.org>, Nirmal Patel <nirmal.patel@...ux.intel.com>, 
 Jonathan Derrick <jonathan.derrick@...ux.dev>, 
 Jeff Johnson <jjohnson@...nel.org>
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, linux-wireless@...r.kernel.org, 
 ath12k@...ts.infradead.org, ath11k@...ts.infradead.org, 
 ath10k@...ts.infradead.org, 
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
 Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>
Subject: [PATCH v2 4/8] PCI/ASPM: Improve the kernel-doc for
 pci_disable_link_state*() APIs

From: Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>

Add kernel-doc for pci_disable_link_state_locked() API and fix the
kernel-doc for pci_disable_link_state() API.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>
---
 drivers/pci/pcie/aspm.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 1243715bc054f859af175143a7ffaef0971f097a..3c8101023e80d3c0550136f729782c0e0a3e28cf 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -1415,6 +1415,17 @@ static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool locked
 	return 0;
 }

+/**
+ * pci_disable_link_state_locked - Disable device's link state
+ * @pdev: PCI device
+ * @state: ASPM link state to disable
+ *
+ * Disable device's link state so the link will never enter specific states.
+ *
+ * Context: Caller holds pci_bus_sem read lock.
+ *
+ * Return: 0 on success, a negative errno otherwise.
+ */
 int pci_disable_link_state_locked(struct pci_dev *pdev, int state)
 {
 	lockdep_assert_held_read(&pci_bus_sem);

-- 
2.45.2