hw/i386/pc: Remove unused 'owner' argument from pc_pci_as_mapping_init

This argument was added 9 years ago in commit 83d08f2673
("pc: map PCI address space as catchall region for not mapped
addresses") and has never been used since, so remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230105173826.56748-1-philmd@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

hw/i386/pc.c

@@ -782,7 +782,7 @@ void pc_guest_info_init(PCMachineState *pcms)
 }
 
 /* setup pci memory address space mapping into system address space */
-void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
+void pc_pci_as_mapping_init(MemoryRegion *system_memory,
                             MemoryRegion *pci_address_space)
 {
     /* Set to lower priority than RAM */

hw/pci-host/i440fx.c

@@ -272,8 +272,7 @@ PCIBus *i440fx_init(const char *pci_type,
                      IO_APIC_DEFAULT_ADDRESS - 1);
 
     /* setup pci memory mapping */
-    pc_pci_as_mapping_init(OBJECT(f), f->system_memory,
-                           f->pci_address_space);
+    pc_pci_as_mapping_init(f->system_memory, f->pci_address_space);
 
     /* if *disabled* show SMRAM to all CPUs */
     memory_region_init_alias(&f->smram_region, OBJECT(d), "smram-region",

hw/pci-host/q35.c

@@ -574,8 +574,7 @@ static void mch_realize(PCIDevice *d, Error **errp)
     }
 
     /* setup pci memory mapping */
-    pc_pci_as_mapping_init(OBJECT(mch), mch->system_memory,
-                           mch->pci_address_space);
+    pc_pci_as_mapping_init(mch->system_memory, mch->pci_address_space);
 
     /* if *disabled* show SMRAM to all CPUs */
     memory_region_init_alias(&mch->smram_region, OBJECT(mch), "smram-region",

include/hw/i386/pc.h

@@ -156,7 +156,7 @@ void pc_guest_info_init(PCMachineState *pcms);
 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
 
 
-void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
+void pc_pci_as_mapping_init(MemoryRegion *system_memory,
                             MemoryRegion *pci_address_space);
 
 void xen_load_linux(PCMachineState *pcms);