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[PATCHv2,03/15] sun4u: move ISABus inside of EBusState

Message ID 1511699686-12605-4-git-send-email-mark.cave-ayland@ilande.co.uk
State New
Headers show
Series sun4u: tidy-up CPU, APB and ebus | expand

Commit Message

Mark Cave-Ayland Nov. 26, 2017, 12:34 p.m. UTC 
Since the EBus is effectively a PCI-ISA bridge then the underlying ISA bus
should be contained within the PCI bridge itself.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/sparc64/sun4u.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
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Patch

diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index 394b7d6..63b4aaa 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -84,6 +84,7 @@  typedef struct EbusState {
     /*< private >*/
     PCIDevice parent_obj;
 
+    ISABus *isa_bus;
     MemoryRegion bar0;
     MemoryRegion bar1;
 } EbusState;
@@ -245,8 +246,10 @@  static void ebus_realize(PCIDevice *pci_dev, Error **errp)
 {
     EbusState *s = EBUS(pci_dev);
 
-    if (!isa_bus_new(DEVICE(pci_dev), get_system_memory(),
-                     pci_address_space_io(pci_dev), errp)) {
+    s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
+                             pci_address_space_io(pci_dev), errp);
+    if (!s->isa_bus) {
+        error_setg(errp, "unable to instantiate EBUS ISA bus");
         return;
     }