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riscv: hw: Change create_fdt() to return void

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There is no need to return fdt at the end of create_fdt() because
it's already saved in s->fdt.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Chih-Min Chao <chihmin.chao@sifive.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Bin Meng 2019-09-06 09:19:53 -07:00 committed by Palmer Dabbelt
parent b179685b6a
commit 9f79638ec5
No known key found for this signature in database
GPG key ID: EF4CA1502CCBAB41
2 changed files with 8 additions and 14 deletions
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11
hw/riscv/sifive_u.c
View file

@ -67,7 +67,7 @@ static const struct MemmapEntry {
#define GEM_REVISION 0x10070109
static void *create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
uint64_t mem_size, const char *cmdline)
{
void *fdt;
@ -253,14 +253,11 @@ static void *create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap,
qemu_fdt_setprop_string(fdt, "/aliases", "serial0", nodename);
g_free(nodename);
return fdt;
}
static void riscv_sifive_u_init(MachineState *machine)
{
const struct MemmapEntry *memmap = sifive_u_memmap;
void *fdt;
SiFiveUState *s = g_new0(SiFiveUState, 1);
MemoryRegion *system_memory = get_system_memory();
@ -281,7 +278,7 @@ static void riscv_sifive_u_init(MachineState *machine)
main_mem);
/* create device tree */
fdt = create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
riscv_find_and_load_firmware(machine, BIOS_FILENAME,
memmap[SIFIVE_U_DRAM].base);
@ -294,9 +291,9 @@ static void riscv_sifive_u_init(MachineState *machine)
hwaddr end = riscv_load_initrd(machine->initrd_filename,
machine->ram_size, kernel_entry,
&start);
qemu_fdt_setprop_cell(fdt, "/chosen",
qemu_fdt_setprop_cell(s->fdt, "/chosen",
"linux,initrd-start", start);
qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end",
qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end",
end);
}
}

11
hw/riscv/virt.c
View file

@ -112,7 +112,7 @@ static void create_pcie_irq_map(void *fdt, char *nodename,
0x1800, 0, 0, 0x7);
}
static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
uint64_t mem_size, const char *cmdline)
{
void *fdt;
@ -316,8 +316,6 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
}
g_free(nodename);
return fdt;
}
@ -373,7 +371,6 @@ static void riscv_virt_board_init(MachineState *machine)
size_t plic_hart_config_len;
int i;
unsigned int smp_cpus = machine->smp.cpus;
void *fdt;
/* Initialize SOC */
object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
@ -392,7 +389,7 @@ static void riscv_virt_board_init(MachineState *machine)
main_mem);
/* create device tree */
fdt = create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
/* boot rom */
memory_region_init_rom(mask_rom, NULL, "riscv_virt_board.mrom",
@ -411,9 +408,9 @@ static void riscv_virt_board_init(MachineState *machine)
hwaddr end = riscv_load_initrd(machine->initrd_filename,
machine->ram_size, kernel_entry,
&start);
qemu_fdt_setprop_cell(fdt, "/chosen",
qemu_fdt_setprop_cell(s->fdt, "/chosen",
"linux,initrd-start", start);
qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end",
qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end",
end);
}
}