summaryrefslogtreecommitdiffstats
path: root/drivers/pci/pcie/portdrv_pci.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 20:42:46 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-16 20:42:46 -0700
commit2bcb132c693566bcb8208cc7ce66b72a4f852ecf (patch)
tree6fc4f05ce18140d86aa78a10380a610734aeaef9 /drivers/pci/pcie/portdrv_pci.c
parent67e6da702753dac8f0540209dded80a0c4e60d81 (diff)
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
Merge 3.6-rc6 into usb-next
This resolves the merge problems with: drivers/usb/dwc3/gadget.c drivers/usb/musb/tusb6010.c that had been seen in linux-next. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci/pcie/portdrv_pci.c')
-rw-r--r--drivers/pci/pcie/portdrv_pci.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 3a7eefcb270..e76b44777db 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -140,9 +140,17 @@ static int pcie_port_runtime_resume(struct device *dev)
{
return 0;
}
+
+static int pcie_port_runtime_idle(struct device *dev)
+{
+ /* Delay for a short while to prevent too frequent suspend/resume */
+ pm_schedule_suspend(dev, 10);
+ return -EBUSY;
+}
#else
#define pcie_port_runtime_suspend NULL
#define pcie_port_runtime_resume NULL
+#define pcie_port_runtime_idle NULL
#endif
static const struct dev_pm_ops pcie_portdrv_pm_ops = {
@@ -155,6 +163,7 @@ static const struct dev_pm_ops pcie_portdrv_pm_ops = {
.resume_noirq = pcie_port_resume_noirq,
.runtime_suspend = pcie_port_runtime_suspend,
.runtime_resume = pcie_port_runtime_resume,
+ .runtime_idle = pcie_port_runtime_idle,
};
#define PCIE_PORTDRV_PM_OPS (&pcie_portdrv_pm_ops)
@@ -200,6 +209,11 @@ static int __devinit pcie_portdrv_probe(struct pci_dev *dev,
return status;
pci_save_state(dev);
+ /*
+ * D3cold may not work properly on some PCIe port, so disable
+ * it by default.
+ */
+ dev->d3cold_allowed = false;
if (!pci_match_id(port_runtime_pm_black_list, dev))
pm_runtime_put_noidle(&dev->dev);