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[PATCH REPOST v3 61/80] ppc/pnv: use memdev for RAM


From: Igor Mammedov
Subject: [PATCH REPOST v3 61/80] ppc/pnv: use memdev for RAM
Date: Thu, 23 Jan 2020 12:38:26 +0100

memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
  MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.

Signed-off-by: Igor Mammedov <address@hidden>
Acked-by: David Gibson <address@hidden>
Reviewed-by: C├ędric Le Goater <address@hidden>
---
CC: address@hidden
CC: address@hidden
CC: address@hidden
---
 hw/ppc/pnv.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index e2735bb..a85a5fc 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -676,7 +676,6 @@ static void pnv_init(MachineState *machine)
 {
     PnvMachineState *pnv = PNV_MACHINE(machine);
     MachineClass *mc = MACHINE_GET_CLASS(machine);
-    MemoryRegion *ram;
     char *fw_filename;
     long fw_size;
     int i;
@@ -688,11 +687,7 @@ static void pnv_init(MachineState *machine)
     if (machine->ram_size < (1 * GiB)) {
         warn_report("skiboot may not work with < 1GB of RAM");
     }
-
-    ram = g_new(MemoryRegion, 1);
-    memory_region_allocate_system_memory(ram, NULL, "pnv.ram",
-                                         machine->ram_size);
-    memory_region_add_subregion(get_system_memory(), 0, ram);
+    memory_region_add_subregion(get_system_memory(), 0, machine->ram);
 
     /*
      * Create our simple PNOR device
@@ -1785,6 +1780,7 @@ static void pnv_machine_class_init(ObjectClass *oc, void 
*data)
      * enough to fit the maximum initrd size at it's load address
      */
     mc->default_ram_size = INITRD_LOAD_ADDR + INITRD_MAX_SIZE;
+    mc->default_ram_id = "pnv.ram";
     ispc->print_info = pnv_pic_print_info;
 }
 
-- 
2.7.4




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