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| author | Bjorn Helgaas <bhelgaas@google.com> | 2017-09-07 13:24:15 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-09-07 13:24:15 -0500 |
| commit | cf5f9cc8e4e5e8e0ecc35f1c904d98f889be2c0f (patch) | |
| tree | 4446eb5958daec2286233ce3259aee9e25166c30 /drivers/pci/hotplug/pciehp_hpc.c | |
| parent | c5efc2209505916b6dbcd7ebe9412707b02dbc2f (diff) | |
| parent | 7612b3b28c0b900dcbcdf5e9b9747cc20a1e2455 (diff) | |
Merge branch 'pci/hotplug' into next
* pci/hotplug:
PCI: pciehp: Report power fault only once until we clear it
PCI: shpchp: Enable bridge bus mastering if MSI is enabled
Diffstat (limited to 'drivers/pci/hotplug/pciehp_hpc.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 026830a138ae..e5d5ce9e3010 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -586,6 +586,14 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id) events = status & (PCI_EXP_SLTSTA_ABP | PCI_EXP_SLTSTA_PFD | PCI_EXP_SLTSTA_PDC | PCI_EXP_SLTSTA_CC | PCI_EXP_SLTSTA_DLLSC); + + /* + * If we've already reported a power fault, don't report it again + * until we've done something to handle it. + */ + if (ctrl->power_fault_detected) + events &= ~PCI_EXP_SLTSTA_PFD; + if (!events) return IRQ_NONE; |