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[PATCH v2 5/8] hw/block/fdc: Add sysbus_fdc_init_drives() method


From: Philippe Mathieu-Daudé
Subject: [PATCH v2 5/8] hw/block/fdc: Add sysbus_fdc_init_drives() method
Date: Wed, 28 Apr 2021 14:51:01 +0200

FDCtrlSysBus's FDCtrl state is a private field. However it is
accessed by the public fdctrl_init_sysbus() and sun4m_fdctrl_init()
methods. To be able to move them out of fdc-sysbus.c, first add
the sysbus_fdc_init_drives() method and use it in these 2 functions.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/hw/block/fdc.h |  2 ++
 hw/block/fdc-sysbus.c  | 23 ++++++++++++++++-------
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/include/hw/block/fdc.h b/include/hw/block/fdc.h
index 1ecca7cac7f..52e45c53078 100644
--- a/include/hw/block/fdc.h
+++ b/include/hw/block/fdc.h
@@ -3,6 +3,7 @@
 
 #include "exec/hwaddr.h"
 #include "qapi/qapi-types-block.h"
+#include "hw/sysbus.h"
 
 /* fdc.c */
 #define MAX_FD 2
@@ -10,6 +11,7 @@
 #define TYPE_ISA_FDC "isa-fdc"
 
 void isa_fdc_init_drives(ISADevice *fdc, DriveInfo **fds);
+void sysbus_fdc_init_drives(SysBusDevice *dev, DriveInfo **fds);
 void fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
                         hwaddr mmio_base, DriveInfo **fds);
 void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base,
diff --git a/hw/block/fdc-sysbus.c b/hw/block/fdc-sysbus.c
index 71755fd6ae4..1163e53165d 100644
--- a/hw/block/fdc-sysbus.c
+++ b/hw/block/fdc-sysbus.c
@@ -94,6 +94,15 @@ static void fdctrl_handle_tc(void *opaque, int irq, int 
level)
     trace_fdctrl_tc_pulse(level);
 }
 
+void sysbus_fdc_init_drives(SysBusDevice *dev, DriveInfo **fds)
+{
+    FDCtrlSysBus *fdc;
+
+    fdc = SYSBUS_FDC(dev);
+
+    fdctrl_init_drives(&fdc->state.bus, fds);
+}
+
 void fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
                         hwaddr mmio_base, DriveInfo **fds)
 {
@@ -111,23 +120,23 @@ void fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
     sysbus_connect_irq(sbd, 0, irq);
     sysbus_mmio_map(sbd, 0, mmio_base);
 
-    fdctrl_init_drives(&sys->state.bus, fds);
+    sysbus_fdc_init_drives(sbd, fds);
 }
 
 void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base,
                        DriveInfo **fds, qemu_irq *fdc_tc)
 {
     DeviceState *dev;
-    FDCtrlSysBus *sys;
+    SysBusDevice *sbd;
 
     dev = qdev_new("sun-fdtwo");
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
-    sys = SYSBUS_FDC(dev);
-    sysbus_connect_irq(SYS_BUS_DEVICE(sys), 0, irq);
-    sysbus_mmio_map(SYS_BUS_DEVICE(sys), 0, io_base);
+    sbd = SYS_BUS_DEVICE(dev);
+    sysbus_realize_and_unref(sbd, &error_fatal);
+    sysbus_connect_irq(sbd, 0, irq);
+    sysbus_mmio_map(sbd, 0, io_base);
     *fdc_tc = qdev_get_gpio_in(dev, 0);
 
-    fdctrl_init_drives(&sys->state.bus, fds);
+    sysbus_fdc_init_drives(sbd, fds);
 }
 
 static void sysbus_fdc_common_initfn(Object *obj)
-- 
2.26.3




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