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authorPatel, Mayurkumar <mayurkumar.patel@intel.com>2019-10-18 19:52:21 +0300
committerBjorn Helgaas <bhelgaas@google.com>2019-10-19 01:05:42 +0300
commitaf65d1ad416bc6e069ccb9e649faeda224248f96 (patch)
tree57bbdaeaf74908835e3dd1c1bc7ab81d601b60bf /include/linux/aer.h
parent54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c (diff)
downloadlinux-af65d1ad416bc6e069ccb9e649faeda224248f96.tar.xz
PCI/AER: Save AER Capability for suspend/resume
Previously we did not save and restore the AER configuration on suspend/resume, so the configuration may be lost after resume. Save the AER configuration during suspend and restore it during resume. [bhelgaas: commit log] Link: https://lore.kernel.org/r/92EBB4272BF81E4089A7126EC1E7B28492C3B007@IRSMSX101.ger.corp.intel.com Signed-off-by: Mayurkumar Patel <mayurkumar.patel@intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'include/linux/aer.h')
-rw-r--r--include/linux/aer.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/aer.h b/include/linux/aer.h
index 514bffa11dbb..fa19e01f418a 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -46,6 +46,8 @@ int pci_enable_pcie_error_reporting(struct pci_dev *dev);
int pci_disable_pcie_error_reporting(struct pci_dev *dev);
int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev);
int pci_cleanup_aer_error_status_regs(struct pci_dev *dev);
+void pci_save_aer_state(struct pci_dev *dev);
+void pci_restore_aer_state(struct pci_dev *dev);
#else
static inline int pci_enable_pcie_error_reporting(struct pci_dev *dev)
{
@@ -63,6 +65,8 @@ static inline int pci_cleanup_aer_error_status_regs(struct pci_dev *dev)
{
return -EINVAL;
}
+static inline void pci_save_aer_state(struct pci_dev *dev) {}
+static inline void pci_restore_aer_state(struct pci_dev *dev) {}
#endif
void cper_print_aer(struct pci_dev *dev, int aer_severity,