Commit 7ff2b7a1 authored by Johan Hovold's avatar Johan Hovold Committed by Bjorn Helgaas
Browse files

PCI/ASPM: Add pci_disable_link_state_locked() lockdep assert 

Add a lockdep assert to pci_disable_link_state_locked() which should only
be called with a pci_bus_sem read lock held.

Link: https://lore.kernel.org/r/20231128081512.19387-7-johan+linaro@kernel.org


Signed-off-by: default avatarJohan Hovold <johan+linaro@kernel.org>
[bhelgaas: include function name in subject, commit log]
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
parent e673d383

drivers/pci/pcie/aspm.c

+2 −0
Original line number Diff line number Diff line
@@ -1090,6 +1090,8 @@ static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool locked 


int pci_disable_link_state_locked(struct pci_dev *pdev, int state)

{

	lockdep_assert_held_read(&pci_bus_sem);



	return __pci_disable_link_state(pdev, state, true);

}

EXPORT_SYMBOL(pci_disable_link_state_locked);