[PULL 041/126] hw/isa/lpc_ich9: Unexport PIRQ functions

[Philippe Mathieu-Daudé]

From: Bernhard Beschow <shentey@gmail.com>

No need to rely on the board to wire up the ICH9 PCI IRQs. All functions
access private state of the LPC device which suggests that it should
wire up the IRQs.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230213173033.98762-3-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/i386/pc_q35.c       |  3 ---
 hw/isa/lpc_ich9.c      | 11 ++++++++---
 include/hw/i386/ich9.h |  3 ---
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 66cd718b70..5dfaeeed5f 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -270,9 +270,6 @@ static void pc_q35_init(MachineState *machine)
     for (i = 0; i < GSI_NUM_PINS; i++) {
         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
     }
-    pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc, ICH9_LPC_NB_PIRQS);
-    pci_bus_map_irqs(host_bus, ich9_lpc_map_irq);
-    pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
     isa_bus = ich9_lpc->isa_bus;
 
     if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) {
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index 1fba3c210c..54a8839cd2 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -259,7 +259,7 @@ static void ich9_lpc_update_apic(ICH9LPCState *lpc, int gsi)
     qemu_set_irq(lpc->gsi[gsi], level);
 }
 
-void ich9_lpc_set_irq(void *opaque, int pirq, int level)
+static void ich9_lpc_set_irq(void *opaque, int pirq, int level)
 {
     ICH9LPCState *lpc = opaque;
     int pic_irq, pic_dis;
@@ -275,7 +275,7 @@ void ich9_lpc_set_irq(void *opaque, int pirq, int level)
 /* return the pirq number (PIRQ[A-H]:0-7) corresponding to
  * a given device irq pin.
  */
-int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx)
+static int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx)
 {
     BusState *bus = qdev_get_parent_bus(&pci_dev->qdev);
     PCIBus *pci_bus = PCI_BUS(bus);
@@ -286,7 +286,7 @@ int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx)
     return lpc->irr[PCI_SLOT(pci_dev->devfn)][intx];
 }
 
-PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin)
+static PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin)
 {
     ICH9LPCState *lpc = opaque;
     PCIINTxRoute route;
@@ -680,6 +680,7 @@ static void ich9_lpc_realize(PCIDevice *d, Error **errp)
 {
     ICH9LPCState *lpc = ICH9_LPC_DEVICE(d);
     DeviceState *dev = DEVICE(d);
+    PCIBus *pci_bus = pci_get_bus(d);
     ISABus *isa_bus;
 
     if ((lpc->smi_host_features & BIT_ULL(ICH9_LPC_SMI_F_CPU_HOT_UNPLUG_BIT)) 
&&
@@ -728,6 +729,10 @@ static void ich9_lpc_realize(PCIDevice *d, Error **errp)
     isa_bus_irqs(isa_bus, lpc->gsi);
 
     i8257_dma_init(isa_bus, 0);
+
+    pci_bus_irqs(pci_bus, ich9_lpc_set_irq, d, ICH9_LPC_NB_PIRQS);
+    pci_bus_map_irqs(pci_bus, ich9_lpc_map_irq);
+    pci_bus_set_route_irq_fn(pci_bus, ich9_route_intx_pin_to_irq);
 }
 
 static bool ich9_rst_cnt_needed(void *opaque)
diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h
index 36e0ccd16a..921e4c7ef6 100644
--- a/include/hw/i386/ich9.h
+++ b/include/hw/i386/ich9.h
@@ -9,9 +9,6 @@
 #include "hw/acpi/ich9.h"
 #include "qom/object.h"
 
-void ich9_lpc_set_irq(void *opaque, int irq_num, int level);
-int ich9_lpc_map_irq(PCIDevice *pci_dev, int intx);
-PCIINTxRoute ich9_route_intx_pin_to_irq(void *opaque, int pirq_pin);
 void ich9_lpc_pm_init(PCIDevice *pci_lpc, bool smm_enabled);
 I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base);
 
-- 
2.38.1