[Qemu-devel] [PATCH for-2.13 5/5] hw/dma/i8257: Rename i8257_dma_init(false) -> i8257_dma_init_pc_at()

[Philippe Mathieu-Daudé]

Reflect that the PC/AT implementation is used.

Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 include/hw/dma/i8257.h  | 17 +++++++++++++++--
 hw/i386/pc.c            |  2 +-
 hw/mips/mips_fulong2e.c |  2 +-
 hw/mips/mips_jazz.c     |  2 +-
 hw/mips/mips_malta.c    |  2 +-
 5 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/include/hw/dma/i8257.h b/include/hw/dma/i8257.h
index 986319e4e3..15db8b4d29 100644
--- a/include/hw/dma/i8257.h
+++ b/include/hw/dma/i8257.h
@@ -47,9 +47,22 @@ typedef struct I8257State {
 } I8257State;
 
 void i8257_dma_init_cascaded(ISABus *bus, bool high_page_enable);
-static inline void i8257_dma_init(ISABus *bus, bool high_page_enable)
+
+/**
+ * i8257_dma_init_pc_at: Install 8 DMA channels on the ISA bus.
+ *
+ * This is the PC/AT DMA implementation:
+ *
+ * Two i8257 controllers are created.
+ * The primary controller register channels [0..3] on the bus,
+ * the secondary controller (slave) is cascaded on the primary (master),
+ * registering channels [4..7].
+ *
+ * @bus: the #ISABus against which these are created.
+ */
+static inline void i8257_dma_init_pc_at(ISABus *bus)
 {
-    i8257_dma_init_cascaded(bus, high_page_enable);
+    i8257_dma_init_cascaded(bus, false);
 }
 
 #endif
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index d36bac8c89..baba079d7f 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1624,7 +1624,7 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
         pcspk_init(isa_bus, pit);
     }
 
-    i8257_dma_init(isa_bus, 0);
+    i8257_dma_init_pc_at(isa_bus);
 
     /* Super I/O */
     pc_superio_init(isa_bus, create_fdctrl, no_vmport);
diff --git a/hw/mips/mips_fulong2e.c b/hw/mips/mips_fulong2e.c
index 02fb2fdcc4..8168e6cf16 100644
--- a/hw/mips/mips_fulong2e.c
+++ b/hw/mips/mips_fulong2e.c
@@ -243,7 +243,7 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus, int 
slot, qemu_irq intc,
     isa_bus_irqs(isa_bus, i8259);
     /* init other devices */
     i8254_pit_init(isa_bus, 0x40, 0, NULL);
-    i8257_dma_init(isa_bus, 0);
+    i8257_dma_init_pc_at(isa_bus);
     /* Super I/O */
     isa_create_simple(isa_bus, TYPE_VT82C686B_SUPERIO);
 
diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c
index 7223085547..2577e8383d 100644
--- a/hw/mips/mips_jazz.c
+++ b/hw/mips/mips_jazz.c
@@ -222,7 +222,7 @@ static void mips_jazz_init(MachineState *machine,
     /* ISA devices */
     i8259 = i8259_init(isa_bus, env->irq[4]);
     isa_bus_irqs(isa_bus, i8259);
-    i8257_dma_init(isa_bus, 0);
+    i8257_dma_init_pc_at(isa_bus);
     pit = i8254_pit_init(isa_bus, 0x40, 0, NULL);
     pcspk_init(isa_bus, pit);
 
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index f6513a4fd5..9d0409bc36 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -1198,7 +1198,7 @@ void mips_malta_init(MachineState *machine)
     smbus = piix4_pm_init(pci_bus, piix4_devfn + 3, 0x1100,
                           isa_get_irq(NULL, 9), NULL, 0, NULL);
     pit = i8254_pit_init(isa_bus, 0x40, 0, NULL);
-    i8257_dma_init(isa_bus, 0);
+    i8257_dma_init_pc_at(isa_bus);
     mc146818_rtc_init(isa_bus, 2000, NULL);
 
     /* generate SPD EEPROM data */
-- 
2.16.3