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PCI/AER: Clear device status bits during ERR_FATAL and ERR_NONFATAL

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Clear the device status bits while handling both ERR_FATAL and ERR_NONFATAL
cases.

Signed-off-by: Oza Pawandeep <poza@codeaurora.org>
[bhelgaas: rename to pci_aer_clear_device_status(), declare internal to PCI
core instead of exposing it everywhere]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Oza Pawandeep
2018-07-19 17:58:09 -05:00
committed by Bjorn Helgaas
parent 43ec03a9e5
commit ec752f5d54
3 changed files with 13 additions and 6 deletions
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15
drivers/pci/pcie/aer.c
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@@ -382,6 +382,14 @@ int pci_disable_pcie_error_reporting(struct pci_dev *dev)
}
EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting);
void pci_aer_clear_device_status(struct pci_dev *dev)
{
u16 sta;
pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &sta);
pcie_capability_write_word(dev, PCI_EXP_DEVSTA, sta);
}
int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
{
int pos;
@@ -1532,12 +1540,7 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
*/
static void aer_error_resume(struct pci_dev *dev)
{
u16 reg16;
/* Clean up Root device status */
pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &reg16);
pcie_capability_write_word(dev, PCI_EXP_DEVSTA, reg16);
pci_aer_clear_device_status(dev);
pci_cleanup_aer_uncorrect_error_status(dev);
}