[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH] hw/rtc/m48t59: Simplify m48t59_init()
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH] hw/rtc/m48t59: Simplify m48t59_init() |
Date: |
Mon, 14 Sep 2020 12:24:25 +0200 |
As the 'io_base' argument of m48t59_init() is unused (set to 0),
remove it to simplify.
To create a device on the ISA bus, m48t59_init_isa() is the
preferred function to use.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
include/hw/rtc/m48t59.h | 2 +-
hw/ppc/ppc405_boards.c | 2 +-
hw/rtc/m48t59.c | 10 ++--------
hw/sparc/sun4m.c | 2 +-
hw/sparc64/sun4u.c | 2 +-
5 files changed, 6 insertions(+), 12 deletions(-)
diff --git a/include/hw/rtc/m48t59.h b/include/hw/rtc/m48t59.h
index 04abedf3b2b..62297ee0db1 100644
--- a/include/hw/rtc/m48t59.h
+++ b/include/hw/rtc/m48t59.h
@@ -50,7 +50,7 @@ struct NvramClass {
Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
int base_year, int type);
Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
- uint32_t io_base, uint16_t size, int base_year,
+ uint16_t size, int base_year,
int type);
#endif /* HW_M48T59_H */
diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c
index 6198ec1035b..93ffee801a3 100644
--- a/hw/ppc/ppc405_boards.c
+++ b/hw/ppc/ppc405_boards.c
@@ -227,7 +227,7 @@ static void ref405ep_init(MachineState *machine)
/* Register FPGA */
ref405ep_fpga_init(sysmem, 0xF0300000);
/* Register NVRAM */
- m48t59_init(NULL, 0xF0000000, 0, 8192, 1968, 8);
+ m48t59_init(NULL, 0xF0000000, 8192, 1968, 8);
/* Load kernel */
linux_boot = (kernel_filename != NULL);
if (linux_boot) {
diff --git a/hw/rtc/m48t59.c b/hw/rtc/m48t59.c
index 6525206976b..2d6a095c4e4 100644
--- a/hw/rtc/m48t59.c
+++ b/hw/rtc/m48t59.c
@@ -566,7 +566,7 @@ const MemoryRegionOps m48t59_io_ops = {
/* Initialisation routine */
Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
- uint32_t io_base, uint16_t size, int base_year,
+ uint16_t size, int base_year,
int model)
{
DeviceState *dev;
@@ -584,13 +584,7 @@ Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
s = SYS_BUS_DEVICE(dev);
sysbus_realize_and_unref(s, &error_fatal);
sysbus_connect_irq(s, 0, IRQ);
- if (io_base != 0) {
- memory_region_add_subregion(get_system_io(), io_base,
- sysbus_mmio_get_region(s, 1));
- }
- if (mem_base != 0) {
- sysbus_mmio_map(s, 0, mem_base);
- }
+ sysbus_mmio_map(s, 0, mem_base);
return NVRAM(s);
}
diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index 947b69d1597..56a0d38f274 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -970,7 +970,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
create_unimplemented_device("SUNW,sx", hwdef->sx_base, 0x2000);
}
- nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, 0x2000, 1968, 8);
+ nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0x2000, 1968, 8);
slavio_timer_init_all(hwdef->counter_base, slavio_irq[19], slavio_cpu_irq,
smp_cpus);
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index b4aabfc076f..1cc57b030a7 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -675,7 +675,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
pci_ide_create_devs(pci_dev);
/* Map NVRAM into I/O (ebus) space */
- nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
+ nvram = m48t59_init(NULL, 0, NVRAM_SIZE, 1968, 59);
s = SYS_BUS_DEVICE(nvram);
memory_region_add_subregion(pci_address_space_io(ebus), 0x2000,
sysbus_mmio_get_region(s, 0));
--
2.26.2