diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-driver.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index ec838f2e892e..072b83493194 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -464,6 +464,13 @@ static void pci_device_remove(struct device *dev) if (drv->remove) { pm_runtime_get_sync(dev); + /* + * If the driver provides a .runtime_idle() callback and it has + * started to run already, it may continue to run in parallel + * with the code below, so wait until all of the runtime PM + * activity has completed. + */ + pm_runtime_barrier(dev); drv->remove(pci_dev); pm_runtime_put_noidle(dev); } @@ -1373,10 +1380,7 @@ static int pci_pm_runtime_idle(struct device *dev) if (!pci_dev->driver) return 0; - if (!pm) - return -ENOSYS; - - if (pm->runtime_idle) + if (pm && pm->runtime_idle) return pm->runtime_idle(dev); return 0; |