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PCI/AER: Factor out ERR_NONFATAL status bit clearing 

aer_error_resume() clears all ERR_NONFATAL error status bits.  This is
exactly what pci_cleanup_aer_uncorrect_error_status(), so use that instead
of duplicating the code.

Signed-off-by: Oza Pawandeep <poza@codeaurora.org>
[bhelgaas: split to separate patch]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Oza Pawandeep 2018-07-19 17:58:06 -05:00 committed by Bjorn Helgaas
parent e7b0b847de
commit 5b6c09660d
1 changed files with 1 additions and 8 deletions
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9
drivers/pci/pcie/aer.c
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@ -1532,20 +1532,13 @@ static pci_ers_result_t aer_root_reset(struct pci_dev *dev)
*/
static void aer_error_resume(struct pci_dev *dev)
{
int pos;
u32 status, mask;
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);
/* Clean AER Root Error Status */
pos = dev->aer_cap;
pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, &status);
pci_read_config_dword(dev, pos + PCI_ERR_UNCOR_SEVER, &mask);
status &= ~mask; /* Clear corresponding nonfatal bits */
pci_write_config_dword(dev, pos + PCI_ERR_UNCOR_STATUS, status);
pci_cleanup_aer_uncorrect_error_status(dev);
}
static struct pcie_port_service_driver aerdriver = {