[PATCH 4/6] hw/ide: Extract IDEBus assignment into bmdma_init()

[Bernhard Beschow <shentey@gmail.com>]

Every invocation of bmdma_init() is followed by `d->bmdma[i].bus = &d->bus[i]`.
Resolve this redundancy by extracting it into bmdma_init().

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/ide/cmd646.c  | 1 -
 hw/ide/pci.c     | 1 +
 hw/ide/piix.c    | 1 -
 hw/ide/sii3112.c | 1 -
 hw/ide/via.c     | 1 -
 5 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c
index a68357c1c5..a094a6e12a 100644
--- a/hw/ide/cmd646.c
+++ b/hw/ide/cmd646.c
@@ -297,7 +297,6 @@ static void pci_cmd646_ide_realize(PCIDevice *dev, Error **errp)
         ide_bus_init_output_irq(&d->bus[i], qdev_get_gpio_in(ds, i));
 
         bmdma_init(&d->bus[i], &d->bmdma[i], d);
-        d->bmdma[i].bus = &d->bus[i];
         ide_bus_register_restart_cb(&d->bus[i]);
     }
 }
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index 9a5a7089d4..4cf1e9c679 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -519,6 +519,7 @@ void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d)
     bus->dma = &bm->dma;
     bm->irq = bus->irq;
     bus->irq = qemu_allocate_irq(bmdma_irq, bm, 0);
+    bm->bus = bus;
     bm->pci_dev = d;
 }
 
diff --git a/hw/ide/piix.c b/hw/ide/piix.c
index 41d60921e3..a32f7ccece 100644
--- a/hw/ide/piix.c
+++ b/hw/ide/piix.c
@@ -144,7 +144,6 @@ static bool pci_piix_init_bus(PCIIDEState *d, unsigned i, Error **errp)
     ide_bus_init_output_irq(&d->bus[i], isa_get_irq(NULL, port_info[i].isairq));
 
     bmdma_init(&d->bus[i], &d->bmdma[i], d);
-    d->bmdma[i].bus = &d->bus[i];
     ide_bus_register_restart_cb(&d->bus[i]);
 
     return true;
diff --git a/hw/ide/sii3112.c b/hw/ide/sii3112.c
index f9becdff8e..5dd3d03c29 100644
--- a/hw/ide/sii3112.c
+++ b/hw/ide/sii3112.c
@@ -287,7 +287,6 @@ static void sii3112_pci_realize(PCIDevice *dev, Error **errp)
         ide_bus_init_output_irq(&s->bus[i], qdev_get_gpio_in(ds, i));
 
         bmdma_init(&s->bus[i], &s->bmdma[i], s);
-        s->bmdma[i].bus = &s->bus[i];
         ide_bus_register_restart_cb(&s->bus[i]);
     }
 }
diff --git a/hw/ide/via.c b/hw/ide/via.c
index 0caae52276..91253fa4ef 100644
--- a/hw/ide/via.c
+++ b/hw/ide/via.c
@@ -196,7 +196,6 @@ static void via_ide_realize(PCIDevice *dev, Error **errp)
         ide_bus_init_output_irq(&d->bus[i], qdev_get_gpio_in(ds, i));
 
         bmdma_init(&d->bus[i], &d->bmdma[i], d);
-        d->bmdma[i].bus = &d->bus[i];
         ide_bus_register_restart_cb(&d->bus[i]);
     }
 }
-- 
2.40.1