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[Qemu-devel] [PATCH 3/3] hw/i386/pc: don't carry FDC from pc_basic_devic


From: Laszlo Ersek
Subject: [Qemu-devel] [PATCH 3/3] hw/i386/pc: don't carry FDC from pc_basic_device_init() to pc_cmos_init()
Date: Tue, 23 Jun 2015 18:58:44 +0200

Thanks to the last patch, pc_cmos_init() doesn't need the (optional)
board-default FDC any longer as an input parameter. Update
pc_basic_device_init() not to hand it back to pc_init1() / pc_q35_init(),
and update the latter not to carry the FDC to pc_cmos_init(). This
simplifies the code.

pc_init1() | pc_q35_init()
  pc_basic_device_init()
  pc_cmos_init()

Cc: Jan Tomko <address@hidden>
Cc: John Snow <address@hidden>
Cc: Markus Armbruster <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Signed-off-by: Laszlo Ersek <address@hidden>
---

Notes:
    v1:
    - new in v1 (relative to RFC)

 include/hw/i386/pc.h | 3 +--
 hw/i386/pc.c         | 7 ++++---
 hw/i386/pc_piix.c    | 5 ++---
 hw/i386/pc_q35.c     | 5 ++---
 4 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 86c5651..c1ad48f 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -198,13 +198,12 @@ DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus 
*pci_bus);
 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
                           ISADevice **rtc_state,
                           bool create_fdctrl,
-                          ISADevice **floppy,
                           bool no_vmport,
                           uint32 hpet_irqs);
 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
                   const char *boot_device, MachineState *machine,
-                  ISADevice *floppy, BusState *ide0, BusState *ide1,
+                  BusState *ide0, BusState *ide1,
                   ISADevice *s);
 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
 void pc_pci_device_init(PCIBus *pci_bus);
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index bdb2d2d..0505c20 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -431,7 +431,7 @@ static void pc_cmos_init_late(void *opaque)
 
 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
                   const char *boot_device, MachineState *machine,
-                  ISADevice *floppy, BusState *idebus0, BusState *idebus1,
+                  BusState *idebus0, BusState *idebus1,
                   ISADevice *s)
 {
     int val;
@@ -1464,7 +1464,6 @@ static const MemoryRegionOps ioportF0_io_ops = {
 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
                           ISADevice **rtc_state,
                           bool create_fdctrl,
-                          ISADevice **floppy,
                           bool no_vmport,
                           uint32 hpet_irqs)
 {
@@ -1560,7 +1559,9 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
         fd[i] = drive_get(IF_FLOPPY, 0, i);
         create_fdctrl |= !!fd[i];
     }
-    *floppy = create_fdctrl ? fdctrl_init_isa(isa_bus, fd) : NULL;
+    if (create_fdctrl) {
+        fdctrl_init_isa(isa_bus, fd);
+    }
 }
 
 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index e142f75..3f534cf 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -94,7 +94,6 @@ static void pc_init1(MachineState *machine)
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
     BusState *idebus[MAX_IDE_BUS];
     ISADevice *rtc_state;
-    ISADevice *floppy;
     MemoryRegion *ram_memory;
     MemoryRegion *pci_memory;
     MemoryRegion *rom_memory;
@@ -241,7 +240,7 @@ static void pc_init1(MachineState *machine)
     }
 
     /* init basic PC hardware */
-    pc_basic_device_init(isa_bus, gsi, &rtc_state, true, &floppy,
+    pc_basic_device_init(isa_bus, gsi, &rtc_state, true,
                          (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4);
 
     pc_nic_init(isa_bus, pci_bus);
@@ -273,7 +272,7 @@ static void pc_init1(MachineState *machine)
     }
 
     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
-                 machine, floppy, idebus[0], idebus[1], rtc_state);
+                 machine, idebus[0], idebus[1], rtc_state);
 
     if (pci_enabled && usb_enabled()) {
         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 082cd93..dcc3b7b 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -73,7 +73,6 @@ static void pc_q35_init(MachineState *machine)
     PCIDevice *lpc;
     BusState *idebus[MAX_SATA_PORTS];
     ISADevice *rtc_state;
-    ISADevice *floppy;
     MemoryRegion *pci_memory;
     MemoryRegion *rom_memory;
     MemoryRegion *ram_memory;
@@ -249,7 +248,7 @@ static void pc_q35_init(MachineState *machine)
     }
 
     /* init basic PC hardware */
-    pc_basic_device_init(isa_bus, gsi, &rtc_state, !mc->no_floppy, &floppy,
+    pc_basic_device_init(isa_bus, gsi, &rtc_state, !mc->no_floppy,
                          (pc_machine->vmport != ON_OFF_AUTO_ON), 0xff0104);
 
     /* connect pm stuff to lpc */
@@ -278,7 +277,7 @@ static void pc_q35_init(MachineState *machine)
                       8, NULL, 0);
 
     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
-                 machine, floppy, idebus[0], idebus[1], rtc_state);
+                 machine, idebus[0], idebus[1], rtc_state);
 
     /* the rest devices to which pci devfn is automatically assigned */
     pc_vga_init(isa_bus, host_bus);
-- 
1.8.3.1




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