hw/ide/via: Replace magic 2 value by ARRAY_SIZE / MAX_IDE_DEVS

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: John Snow <jsnow@redhat.com>
Message-Id: <20210511041848.2743312-5-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

hw/ide/via.c

@@ -90,7 +90,7 @@ static void bmdma_setup_bar(PCIIDEState *d)
     int i;
 
     memory_region_init(&d->bmdma_bar, OBJECT(d), "via-bmdma-container", 16);
-    for(i = 0;i < 2; i++) {
+    for (i = 0; i < ARRAY_SIZE(d->bmdma); i++) {
         BMDMAState *bm = &d->bmdma[i];
 
         memory_region_init_io(&bm->extra_io, OBJECT(d), &via_bmdma_ops, bm,
@@ -122,7 +122,7 @@ static void via_ide_reset(DeviceState *dev)
     uint8_t *pci_conf = pd->config;
     int i;
 
-    for (i = 0; i < 2; i++) {
+    for (i = 0; i < ARRAY_SIZE(d->bus); i++) {
         ide_bus_reset(&d->bus[i]);
     }
 
@@ -188,9 +188,9 @@ static void via_ide_realize(PCIDevice *dev, Error **errp)
     bmdma_setup_bar(d);
     pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
 
-    qdev_init_gpio_in(ds, via_ide_set_irq, 2);
-    for (i = 0; i < 2; i++) {
-        ide_bus_init(&d->bus[i], sizeof(d->bus[i]), ds, i, 2);
+    qdev_init_gpio_in(ds, via_ide_set_irq, ARRAY_SIZE(d->bus));
+    for (i = 0; i < ARRAY_SIZE(d->bus); i++) {
+        ide_bus_init(&d->bus[i], sizeof(d->bus[i]), ds, i, MAX_IDE_DEVS);
         ide_bus_init_output_irq(&d->bus[i], qdev_get_gpio_in(ds, i));
 
         bmdma_init(&d->bus[i], &d->bmdma[i], d);
@@ -204,7 +204,7 @@ static void via_ide_exitfn(PCIDevice *dev)
     PCIIDEState *d = PCI_IDE(dev);
     unsigned i;
 
-    for (i = 0; i < 2; ++i) {
+    for (i = 0; i < ARRAY_SIZE(d->bmdma); ++i) {
         memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].extra_io);
         memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].addr_ioport);
     }