diff mbox series

[02/12] hw/isa/lpc_ich9: Unexport PIRQ functions

Message ID 20230213173033.98762-3-shentey@gmail.com
State New
Headers show
Series ICH9 cleanup | expand

Commit Message

Bernhard Beschow Feb. 13, 2023, 5:30 p.m. UTC 
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>
---
 include/hw/i386/ich9.h |  3 ---
 hw/i386/pc_q35.c       |  3 ---
 hw/isa/lpc_ich9.c      | 11 ++++++++---
 3 files changed, 8 insertions(+), 9 deletions(-)

Comments

Philippe Mathieu-Daudé Feb. 27, 2023, 11:51 a.m. UTC | #1 
On 13/2/23 18:30, Bernhard Beschow wrote:
> 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>
> ---
>   include/hw/i386/ich9.h |  3 ---
>   hw/i386/pc_q35.c       |  3 ---
>   hw/isa/lpc_ich9.c      | 11 ++++++++---
>   3 files changed, 8 insertions(+), 9 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
diff mbox series

Patch

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);
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index a5ffb77ed8..8fac0e57bc 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -271,9 +271,6 @@  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)