[Qemu-devel] [PATCH 1/2 v2] ppc-e500: some pci related cleanup

[Bharat Bhushan <r65777@freescale.com>]

 - Use PCI_NUM_PINS rather than hardcoding
 - use "pin" wherever possible

Signed-off-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
---
v1->v2:
 - No Change

 hw/pci-host/ppce500.c |   14 +++++++-------
 hw/ppc/e500.c         |   12 +++++++-----
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/hw/pci-host/ppce500.c b/hw/pci-host/ppce500.c
index c80b7cb..f672d5f 100644
--- a/hw/pci-host/ppce500.c
+++ b/hw/pci-host/ppce500.c
@@ -87,7 +87,7 @@ struct PPCE500PCIState {
     struct pci_outbound pob[PPCE500_PCI_NR_POBS];
     struct pci_inbound pib[PPCE500_PCI_NR_PIBS];
     uint32_t gasket_time;
-    qemu_irq irq[4];
+    qemu_irq irq[PCI_NUM_PINS];
     uint32_t first_slot;
     /* mmio maps */
     MemoryRegion container;
@@ -252,26 +252,26 @@ static const MemoryRegionOps e500_pci_reg_ops = {
     .endianness = DEVICE_BIG_ENDIAN,
 };
 
-static int mpc85xx_pci_map_irq(PCIDevice *pci_dev, int irq_num)
+static int mpc85xx_pci_map_irq(PCIDevice *pci_dev, int pin)
 {
     int devno = pci_dev->devfn >> 3;
     int ret;
 
-    ret = ppce500_pci_map_irq_slot(devno, irq_num);
+    ret = ppce500_pci_map_irq_slot(devno, pin);
 
     pci_debug("%s: devfn %x irq %d -> %d  devno:%x\n", __func__,
-           pci_dev->devfn, irq_num, ret, devno);
+           pci_dev->devfn, pin, ret, devno);
 
     return ret;
 }
 
-static void mpc85xx_pci_set_irq(void *opaque, int irq_num, int level)
+static void mpc85xx_pci_set_irq(void *opaque, int pin, int level)
 {
     qemu_irq *pic = opaque;
 
-    pci_debug("%s: PCI irq %d, level:%d\n", __func__, irq_num, level);
+    pci_debug("%s: PCI irq %d, level:%d\n", __func__, pin , level);
 
-    qemu_set_irq(pic[irq_num], level);
+    qemu_set_irq(pic[pin], level);
 }
 
 static const VMStateDescription vmstate_pci_outbound = {
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index f984b3e..2a3b8b1 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -613,7 +613,9 @@ void ppce500_init(QEMUMachineInitArgs *args, PPCE500Params *params)
     target_long initrd_size = 0;
     target_ulong cur_base = 0;
     int i;
-    unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
+    /* irq num for pin INTA, INTB, INTC and INTD is 1, 2, 3 and
+     * 4 respectively */
+    unsigned int pci_irq_nrs[PCI_NUM_PINS] = {1, 2, 3, 4};
     qemu_irq **irqs, *mpic;
     DeviceState *dev;
     CPUPPCState *firstenv = NULL;
@@ -715,10 +717,10 @@ void ppce500_init(QEMUMachineInitArgs *args, PPCE500Params *params)
     qdev_prop_set_uint32(dev, "first_slot", params->pci_first_slot);
     qdev_init_nofail(dev);
     s = SYS_BUS_DEVICE(dev);
-    sysbus_connect_irq(s, 0, mpic[pci_irq_nrs[0]]);
-    sysbus_connect_irq(s, 1, mpic[pci_irq_nrs[1]]);
-    sysbus_connect_irq(s, 2, mpic[pci_irq_nrs[2]]);
-    sysbus_connect_irq(s, 3, mpic[pci_irq_nrs[3]]);
+    for (i = 0; i < PCI_NUM_PINS; i++) {
+        sysbus_connect_irq(s, i, mpic[pci_irq_nrs[i]]);
+    }
+
     memory_region_add_subregion(ccsr_addr_space, MPC8544_PCI_REGS_OFFSET,
                                 sysbus_mmio_get_region(s, 0));
 
-- 
1.7.0.4