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PCI: Fix kerneldoc for pci_disable_link_state()

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Fix kerneldoc for pci_disable_link_state().

[bhelgaas: expand comment, fix typos]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yijing Wang 2013-05-28 16:03:22 +08:00 committed by Bjorn Helgaas
parent ea221e6414
commit 2dfca877b3
1 changed files with 9 additions and 4 deletions
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13
drivers/pci/pcie/aspm.c
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@ -714,10 +714,6 @@ void pcie_aspm_powersave_config_link(struct pci_dev *pdev)
up_read(&pci_bus_sem);
}
/*
* pci_disable_link_state - disable pci device's link state, so the link will
* never enter specific states
*/
static void __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem,
bool force)
{
@ -771,6 +767,15 @@ void pci_disable_link_state_locked(struct pci_dev *pdev, int state)
}
EXPORT_SYMBOL(pci_disable_link_state_locked);
/**
* pci_disable_link_state - Disable device's link state, so the link will
* never enter specific states. Note that if the BIOS didn't grant ASPM
* control to the OS, this does nothing because we can't touch the LNKCTL
* register.
*
* @pdev: PCI device
* @state: ASPM link state to disable
*/
void pci_disable_link_state(struct pci_dev *pdev, int state)
{
__pci_disable_link_state(pdev, state, true, false);