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[Qemu-devel] [PATCH 27/28] riscv: virt: Change create_fdt() to return vo


From: Bin Meng
Subject: [Qemu-devel] [PATCH 27/28] riscv: virt: Change create_fdt() to return void
Date: Mon, 5 Aug 2019 09:00:22 -0700

There is no need to return fdt at the end of create_fdt() because
it's already saved in s->fdt. Other machines (sifive_u, spike)
don't do it neither.

Signed-off-by: Bin Meng <address@hidden>
---

 hw/riscv/virt.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index f662100..5935ac8 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -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);
         }
     }
-- 
2.7.4




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