dino: remove unused dino_set_timer_irq() IRQ handler

According to the comments in dino.c the timer IRQ is unused, so remove the empty
dino_set_timer_irq() handler function and simply pass NULL to mc146818_rtc_init()
in machine.c instead.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-19-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

hw/hppa/dino.c

@@ -399,13 +399,7 @@ static int dino_pci_map_irq(PCIDevice *d, int irq_num)
     return slot & 0x03;
 }
 
-static void dino_set_timer_irq(void *opaque, int irq, int level)
-{
-    /* ??? Not connected.  */
-}
-
-DinoState *dino_init(MemoryRegion *addr_space,
-                     qemu_irq *p_rtc_irq)
+DinoState *dino_init(MemoryRegion *addr_space)
 {
     DeviceState *dev;
     DinoState *s;
@@ -416,8 +410,6 @@ DinoState *dino_init(MemoryRegion *addr_space,
     s = DINO_PCI_HOST_BRIDGE(dev);
     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
 
-    *p_rtc_irq = qemu_allocate_irq(dino_set_timer_irq, s, 0);
-
     return s;
 }
 

hw/hppa/hppa_sys.h

@@ -11,7 +11,7 @@
 #include "hppa_hardware.h"
 #include "dino.h"
 
-DinoState *dino_init(MemoryRegion *, qemu_irq *);
+DinoState *dino_init(MemoryRegion *);
 DeviceState *lasi_init(MemoryRegion *);
 #define enable_lasi_lan()       0
 

hw/hppa/machine.c

@@ -130,7 +130,6 @@ static void machine_hppa_init(MachineState *machine)
     DeviceState *dev, *dino_dev;
     PCIBus *pci_bus;
     ISABus *isa_bus;
-    qemu_irq rtc_irq;
     char *firmware_filename;
     uint64_t firmware_low, firmware_high;
     long size;
@@ -167,7 +166,7 @@ static void machine_hppa_init(MachineState *machine)
     lasi_init(addr_space);
 
     /* Init Dino (PCI host bus chip).  */
-    dino_dev = DEVICE(dino_init(addr_space, &rtc_irq));
+    dino_dev = DEVICE(dino_init(addr_space));
     memory_region_add_subregion(addr_space, DINO_HPA,
                                 sysbus_mmio_get_region(
                                     SYS_BUS_DEVICE(dino_dev), 0));
@@ -179,7 +178,7 @@ static void machine_hppa_init(MachineState *machine)
     assert(isa_bus);
 
     /* Realtime clock, used by firmware for PDC_TOD call. */
-    mc146818_rtc_init(isa_bus, 2000, rtc_irq);
+    mc146818_rtc_init(isa_bus, 2000, NULL);
 
     /* Serial code setup.  */
     if (serial_hd(0)) {