diff options
| author | CQ Tang <cq.tang@intel.com> | 2017-05-30 09:25:49 -0700 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-05-30 15:40:50 -0500 |
| commit | 4ebeb1ec56d4c54a56b6f43c2603d9a4688c83ba (patch) | |
| tree | 8d5adc040423e0c4bd7374a4f4679c8e238f337b /drivers/pci/pci.c | |
| parent | a4f4fa681add289ebfec6d776376ad7a2ffda669 (diff) | |
| download | linux-4ebeb1ec56d4c54a56b6f43c2603d9a4688c83ba.tar.bz2 | |
PCI: Restore PRI and PASID state after Function-Level Reset
After a Function-Level Reset, PCI states need to be restored. Save PASID
features and PRI reqs cached.
[bhelgaas: search for capability only if PRI/PASID were enabled]
Signed-off-by: CQ Tang <cq.tang@intel.com>
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Jean-Phillipe Brucker <jean-philippe.brucker@arm.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b01bd5bba8e6..3b38e98e68df 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -28,6 +28,7 @@ #include <linux/pm_runtime.h> #include <linux/pci_hotplug.h> #include <linux/vmalloc.h> +#include <linux/pci-ats.h> #include <asm/setup.h> #include <asm/dma.h> #include <linux/aer.h> @@ -1173,6 +1174,8 @@ void pci_restore_state(struct pci_dev *dev) /* PCI Express register must be restored first */ pci_restore_pcie_state(dev); + pci_restore_pasid_state(dev); + pci_restore_pri_state(dev); pci_restore_ats_state(dev); pci_restore_vc_state(dev); |