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authorBjorn Helgaas <bhelgaas@google.com>2018-03-09 20:06:53 +0300
committerBjorn Helgaas <bhelgaas@google.com>2018-03-12 17:15:39 +0300
commitdcb0453d71e361d4718bb566d99e6ae498284419 (patch)
tree2bcbd1552a80d82d3588d56595e7ca09c872b6d7 /drivers/pci/pci.c
parentef7942603e35e300e6967fa7c17ebc17a0c00f59 (diff)
downloadlinux-dcb0453d71e361d4718bb566d99e6ae498284419.tar.xz
PCI/PM: Move pcie_clear_root_pme_status() to core
Move pcie_clear_root_pme_status() from the port driver to the PCI core so it will be available even when the port driver isn't present. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index f6a4dd10d9b0..120e3393fc35 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1684,6 +1684,15 @@ int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state)
EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);
/**
+ * pcie_clear_root_pme_status - Clear root port PME interrupt status.
+ * @dev: PCIe root port or event collector.
+ */
+void pcie_clear_root_pme_status(struct pci_dev *dev)
+{
+ pcie_capability_set_dword(dev, PCI_EXP_RTSTA, PCI_EXP_RTSTA_PME);
+}
+
+/**
* pci_check_pme_status - Check if given device has generated PME.
* @dev: Device to check.
*