diff options
| author | Olof Johansson <olof@lixom.net> | 2012-09-12 22:00:07 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-09-12 22:00:07 -0700 |
| commit | 2bc733e8b443e77db5bb18e1bb8f1c535a92eb8c (patch) | |
| tree | a6985ec4a761efbf2bdbaf7e75110669bf52bc15 /drivers/pci/pcie/portdrv_pci.c | |
| parent | f5a60d4efc7a3928d6e7d37202a8560ce76cb838 (diff) | |
| parent | 48540058612786d365602f3324ed97f9071092de (diff) | |
Merge tag 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6 into fixes
ARM: i.MX: Fix SSI clock associations for i.MX25/i.MX35
* tag 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: clk-imx35: Fix SSI clock registration
ARM: clk-imx25: Fix SSI clock registration
+ Linux 3.6-rc5
Diffstat (limited to 'drivers/pci/pcie/portdrv_pci.c')
| -rw-r--r-- | drivers/pci/pcie/portdrv_pci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 3a7eefcb270a..e76b44777dbf 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); |