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path: root/drivers/pci/pcie
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Diffstat (limited to 'drivers/pci/pcie')
-rw-r--r--drivers/pci/pcie/aer/aerdrv_core.c9
-rw-r--r--drivers/pci/pcie/pme.c5
2 files changed, 12 insertions, 2 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index b1303b32053f..057465adf0b6 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -390,7 +390,14 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev,
* If the error is reported by an end point, we think this
* error is related to the upstream link of the end point.
*/
- pci_walk_bus(dev->bus, cb, &result_data);
+ if (state == pci_channel_io_normal)
+ /*
+ * the error is non fatal so the bus is ok, just invoke
+ * the callback for the function that logged the error.
+ */
+ cb(dev, &result_data);
+ else
+ pci_walk_bus(dev->bus, cb, &result_data);
}
return result_data.result;
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
index 4b703492376a..00f61225386c 100644
--- a/drivers/pci/pcie/pme.c
+++ b/drivers/pci/pcie/pme.c
@@ -232,6 +232,9 @@ static void pcie_pme_work_fn(struct work_struct *work)
break;
pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta);
+ if (rtsta == (u32) ~0)
+ break;
+
if (rtsta & PCI_EXP_RTSTA_PME) {
/*
* Clear PME status of the port. If there are other
@@ -279,7 +282,7 @@ static irqreturn_t pcie_pme_irq(int irq, void *context)
spin_lock_irqsave(&data->lock, flags);
pcie_capability_read_dword(port, PCI_EXP_RTSTA, &rtsta);
- if (!(rtsta & PCI_EXP_RTSTA_PME)) {
+ if (rtsta == (u32) ~0 || !(rtsta & PCI_EXP_RTSTA_PME)) {
spin_unlock_irqrestore(&data->lock, flags);
return IRQ_NONE;
}