PCI: hv: Drop msi_controller structure

The Hyper-V PCI driver still makes use of a msi_controller structure,
but it looks more like a distant leftover than anything actually
useful, since it is initialised to 0 and never used for anything.

Just remove it.

Link: https://lore.kernel.org/r/20210330151145.997953-7-maz@kernel.org
Tested-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 27a17a1..2c014ba 100644 (file)
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -473,7 +473,6 @@ struct hv_pcibus_device {
        struct list_head dr_list;
 
        struct msi_domain_info msi_info;
-       struct msi_controller msi_chip;
        struct irq_domain *irq_domain;
 
        spinlock_t retarget_msi_interrupt_lock;
@@ -1866,9 +1865,6 @@ static int create_root_hv_pci_bus(struct hv_pcibus_device *hbus)
        if (!hbus->pci_bus)
                return -ENODEV;
 
-       hbus->pci_bus->msi = &hbus->msi_chip;
-       hbus->pci_bus->msi->dev = &hbus->hdev->device;
-
        pci_lock_rescan_remove();
        pci_scan_child_bus(hbus->pci_bus);
        hv_pci_assign_numa_node(hbus);