| Message ID | cover.1595649348.git.sathyanarayanan.kuppuswamy@linux.intel.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | Simplify PCIe native ownership detection logic | expand |
Hi Bjorn, On 7/24/20 8:58 PM, sathyanarayanan.kuppuswamy@linux.intel.com wrote: > From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> > > Currently, PCIe capabilities ownership status is detected by > verifying the status of pcie_ports_native, pcie_ports_dpc_native > and _OSC negotiated results (cached in struct pci_host_bridge > ->native_* members). But this logic can be simplified, and we can > use only struct pci_host_bridge ->native_* members to detect it. > Any comments on this patch set?
From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Currently, PCIe capabilities ownership status is detected by verifying the status of pcie_ports_native, pcie_ports_dpc_native and _OSC negotiated results (cached in struct pci_host_bridge ->native_* members). But this logic can be simplified, and we can use only struct pci_host_bridge ->native_* members to detect it. This patchset removes the distributed checks for pcie_ports_native, pcie_ports_dpc_native parameters. Changes since v7: * Fixed "fix array_size.cocci warnings". Changes since v6: * Created new patch for CONFIG_PCIEPORTBUS check in pci_init_host_bridge(). * Added warning message for a case when pcie_ports_native overrides _OSC negotiation result. Changes since v5: * Rebased on top of v5.8-rc1 Changes since v4: * Changed the patch set title (Original link: https://lkml.org/lkml/2020/5/26/1710) * Added AER/DPC dependency logic cleanup fixes. Kuppuswamy Sathyanarayanan (5): PCI: Conditionally initialize host bridge native_* members ACPI/PCI: Ignore _OSC negotiation result if pcie_ports_native is set. ACPI/PCI: Ignore _OSC DPC negotiation result if pcie_ports_dpc_native is set. PCI/portdrv: Remove redundant pci_aer_available() check in DPC enable logic PCI/DPC: Move AER/DPC dependency checks out of DPC driver drivers/acpi/pci_root.c | 61 ++++++++++++++++++++++++++----- drivers/pci/hotplug/pciehp_core.c | 2 +- drivers/pci/pci-acpi.c | 3 -- drivers/pci/pcie/aer.c | 2 +- drivers/pci/pcie/dpc.c | 4 +- drivers/pci/pcie/portdrv.h | 2 - drivers/pci/pcie/portdrv_core.c | 13 +++---- drivers/pci/probe.c | 4 +- include/linux/pci.h | 2 + 9 files changed, 64 insertions(+), 29 deletions(-)