[PATCH 5/6] PCI: Enable runtime PM for Intel Sunrisepoint PCIe root ports
From: Mika Westerberg <mika.westerberg@linux.intel.com>
Date: 2016-02-29 12:56:05
Also in:
linux-pci
Subsystem:
pci subsystem, the rest · Maintainers:
Bjorn Helgaas, Linus Torvalds
Intel Sunrisepoint (Skylake PCH) PCIe root ports are capable of being suspended runtime so allow runtime PM for these ports. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> --- drivers/pci/pcie/portdrv_pci.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index eb0f425f51cc..864c1bdd0e91 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c@@ -81,6 +81,7 @@ static int pcie_portdrv_restore_config(struct pci_dev *dev) enum pcie_port_type { PCIE_PORT_DEFAULT, + PCIE_PORT_SPT, }; struct pcie_port_config {
@@ -92,6 +93,10 @@ static const struct pcie_port_config pcie_port_configs[] = { [PCIE_PORT_DEFAULT] = { .suspend_allowed = true, }, + [PCIE_PORT_SPT] = { + .suspend_allowed = true, + .runtime_suspend_allowed = true, + }, }; #ifdef CONFIG_PM
@@ -431,6 +436,9 @@ static void pcie_portdrv_err_resume(struct pci_dev *dev) * LINUX Device Driver Model */ static const struct pci_device_id port_pci_ids[] = { + /* Intel Sunrisepoint */ + { PCI_VDEVICE(INTEL, 0x9d14), .driver_data = PCIE_PORT_SPT }, + { PCI_VDEVICE(INTEL, 0x9d15), .driver_data = PCIE_PORT_SPT }, /* handle any PCI-Express port */ { PCI_DEVICE_CLASS(((PCI_CLASS_BRIDGE_PCI << 8) | 0x00), ~0), .driver_data = PCIE_PORT_DEFAULT },
--
2.7.0