MIPS: pci-legacy: remove busn_resource field
authorIlya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Wed, 14 Apr 2021 03:12:39 +0000 (20:12 -0700)
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>
Fri, 16 Apr 2021 07:15:40 +0000 (09:15 +0200)
No drivers set the busn_resource field in the pci_controller struct.
Commit 7ee214b540d9 ("MIPS: PCI: Remove unused busn_offset") almost
removed it over 3 years ago. Remove it for good to free up memory and
eliminate messages like:
  pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
arch/mips/include/asm/pci.h
arch/mips/pci/pci-legacy.c

index 6f48649..9ffc819 100644 (file)
@@ -38,7 +38,6 @@ struct pci_controller {
        struct resource *io_resource;
        unsigned long io_offset;
        unsigned long io_map_base;
-       struct resource *busn_resource;
 
 #ifndef CONFIG_PCI_DOMAINS_GENERIC
        unsigned int index;
index ec3f52a..78c2298 100644 (file)
@@ -89,7 +89,6 @@ static void pcibios_scanbus(struct pci_controller *hose)
                                hose->mem_resource, hose->mem_offset);
        pci_add_resource_offset(&resources,
                                hose->io_resource, hose->io_offset);
-       pci_add_resource(&resources, hose->busn_resource);
        list_splice_init(&resources, &bridge->windows);
        bridge->dev.parent = NULL;
        bridge->sysdata = hose;