hw/isa: Rename isa_get_dma() -> isa_bus_get_dma()

isa_get_dma() returns a DMA channel handler from an ISABus.
To emphasize this, rename it as isa_bus_get_dma().

Mechanical change using:

  $ sed -i -e 's/isa_get_dma/isa_bus_get_dma/g' \
        $(git grep -l isa_get_dma)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230215161641.32663-2-philmd@linaro.org>

hw/audio/cs4231a.c

@@ -671,7 +671,7 @@ static void cs4231a_realizefn (DeviceState *dev, Error **errp)
     CSState *s = CS4231A (dev);
     IsaDmaClass *k;
 
-    s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->dma);
+    s->isa_dma = isa_bus_get_dma(isa_bus_from_device(d), s->dma);
     if (!s->isa_dma) {
         error_setg(errp, "ISA controller does not support DMA");
         return;

hw/audio/gus.c

@@ -240,7 +240,7 @@ static void gus_realizefn (DeviceState *dev, Error **errp)
     IsaDmaClass *k;
     struct audsettings as;
 
-    s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->emu.gusdma);
+    s->isa_dma = isa_bus_get_dma(isa_bus_from_device(d), s->emu.gusdma);
     if (!s->isa_dma) {
         error_setg(errp, "ISA controller does not support DMA");
         return;

hw/audio/sb16.c

@@ -1401,8 +1401,8 @@ static void sb16_realizefn (DeviceState *dev, Error **errp)
     SB16State *s = SB16 (dev);
     IsaDmaClass *k;
 
-    s->isa_hdma = isa_get_dma(isa_bus_from_device(isadev), s->hdma);
-    s->isa_dma = isa_get_dma(isa_bus_from_device(isadev), s->dma);
+    s->isa_hdma = isa_bus_get_dma(isa_bus_from_device(isadev), s->hdma);
+    s->isa_dma = isa_bus_get_dma(isa_bus_from_device(isadev), s->dma);
     if (!s->isa_dma || !s->isa_hdma) {
         error_setg(errp, "ISA controller does not support DMA");
         return;

hw/block/fdc-isa.c

@@ -98,7 +98,7 @@ static void isabus_fdc_realize(DeviceState *dev, Error **errp)
     fdctrl->dma_chann = isa->dma;
     if (fdctrl->dma_chann != -1) {
         IsaDmaClass *k;
-        fdctrl->dma = isa_get_dma(isa_bus_from_device(isadev), isa->dma);
+        fdctrl->dma = isa_bus_get_dma(isa_bus_from_device(isadev), isa->dma);
         if (!fdctrl->dma) {
             error_setg(errp, "ISA controller does not support DMA");
             return;

hw/dma/i82374.c

@@ -125,7 +125,7 @@ static void i82374_realize(DeviceState *dev, Error **errp)
     I82374State *s = I82374(dev);
     ISABus *isa_bus = isa_bus_from_device(ISA_DEVICE(dev));
 
-    if (isa_get_dma(isa_bus, 0)) {
+    if (isa_bus_get_dma(isa_bus, 0)) {
         error_setg(errp, "DMA already initialized on ISA bus");
         return;
     }

hw/isa/isa-bus.c

@@ -99,7 +99,7 @@ void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16)
     bus->dma[1] = dma16;
 }
 
-IsaDma *isa_get_dma(ISABus *bus, int nchan)
+IsaDma *isa_bus_get_dma(ISABus *bus, int nchan)
 {
     assert(bus);
     return bus->dma[nchan > 3 ? 1 : 0];

include/hw/isa/isa.h

@@ -71,7 +71,7 @@ ISABus *isa_bus_new(DeviceState *dev, MemoryRegion *address_space,
                     MemoryRegion *address_space_io, Error **errp);
 void isa_bus_register_input_irqs(ISABus *bus, qemu_irq *irqs_in);
 void isa_bus_dma(ISABus *bus, IsaDma *dma8, IsaDma *dma16);
-IsaDma *isa_get_dma(ISABus *bus, int nchan);
+IsaDma *isa_bus_get_dma(ISABus *bus, int nchan);
 ISADevice *isa_new(const char *name);
 ISADevice *isa_try_new(const char *name);
 bool isa_realize_and_unref(ISADevice *dev, ISABus *bus, Error **errp);