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authorIngo Molnar <mingo@kernel.org>2016-10-16 11:31:39 +0200
committerIngo Molnar <mingo@kernel.org>2016-10-16 11:31:39 +0200
commit1d33369db25eb7f37b7a8bd22d736888b4501a9c (patch)
tree116d764339be1bca928870151decbedc53a9e1d1 /drivers/pci/pci-driver.c
parent23446cb66c073b827779e5eb3dec301623299b32 (diff)
parent1001354ca34179f3db924eb66672442a173147dc (diff)
downloadtalos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.tar.gz
talos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.zip
Merge tag 'v4.9-rc1' into x86/urgent, to pick up updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index e39a67c8ef39..1ccce1cd6aca 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -466,7 +466,6 @@ static void pci_device_shutdown(struct device *dev)
pci_msi_shutdown(pci_dev);
pci_msix_shutdown(pci_dev);
-#ifdef CONFIG_KEXEC_CORE
/*
* If this is a kexec reboot, turn off Bus Master bit on the
* device to tell it to not continue to do DMA. Don't touch
@@ -476,7 +475,6 @@ static void pci_device_shutdown(struct device *dev)
*/
if (kexec_in_progress && (pci_dev->current_state <= PCI_D3hot))
pci_clear_master(pci_dev);
-#endif
}
#ifdef CONFIG_PM
@@ -684,8 +682,19 @@ static int pci_pm_prepare(struct device *dev)
static void pci_pm_complete(struct device *dev)
{
- pci_dev_complete_resume(to_pci_dev(dev));
- pm_complete_with_resume_check(dev);
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+
+ pci_dev_complete_resume(pci_dev);
+ pm_generic_complete(dev);
+
+ /* Resume device if platform firmware has put it in reset-power-on */
+ if (dev->power.direct_complete && pm_resume_via_firmware()) {
+ pci_power_t pre_sleep_state = pci_dev->current_state;
+
+ pci_update_current_state(pci_dev, pci_dev->current_state);
+ if (pci_dev->current_state < pre_sleep_state)
+ pm_request_resume(dev);
+ }
}
#else /* !CONFIG_PM_SLEEP */
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