diff mbox series

[for-3.2,7/9] vfio/pci: Remove PCIe Link Status emulation

Message ID 154362327698.7153.13628818975843977058.stgit@gimli.home (mailing list archive)
State New, archived
Headers show
Series pcie: Enhanced link speed and width support | expand

Commit Message

Alex Williamson Dec. 1, 2018, 12:14 a.m. UTC 
Now that the downstream port will virtually negotiate itself to the
link status of the downstream devie, we can remove this emulation.
It's not clear that it was every terribly useful anyway.

Tested-by: Geoffrey McRae <geoff@hostfission.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
---
 hw/vfio/pci.c |    6 ------
 1 file changed, 6 deletions(-)
diff mbox series

Patch

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 74f9a46b4be0..c0cb1ec28908 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1901,12 +1901,6 @@  static int vfio_setup_pcie_cap(VFIOPCIDevice *vdev, int pos, uint8_t size,
                            QEMU_PCI_EXP_LNKCAP_MLS(QEMU_PCI_EXP_LNK_2_5GT), ~0);
             vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKCTL, 0, ~0);
         }
-
-        /* Mark the Link Status bits as emulated to allow virtual negotiation */
-        vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKSTA,
-                               pci_get_word(vdev->pdev.config + pos +
-                                            PCI_EXP_LNKSTA),
-                               PCI_EXP_LNKCAP_MLW | PCI_EXP_LNKCAP_SLS);
     }
 
     /*