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[2/8] acpi nvdimm: fix device physical address base

Message ID 1477671116-24079-3-git-send-email-guangrong.xiao@linux.intel.com
State New, archived
Headers show

Commit Message

Xiao Guangrong Oct. 28, 2016, 4:11 p.m. UTC
According to ACPI 6.0  spec, "Memory Device Physical Address
Region Base" in memdev is defined as "This field provides the
Device Physical Address base of the region". This field should
be zero in our case

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
---
 hw/acpi/nvdimm.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 24a2b3b..05fdf9c 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -289,8 +289,6 @@  static void
 nvdimm_build_structure_memdev(GArray *structures, DeviceState *dev)
 {
     NvdimmNfitMemDev *nfit_memdev;
-    uint64_t addr = object_property_get_int(OBJECT(dev), PC_DIMM_ADDR_PROP,
-                                            NULL);
     uint64_t size = object_property_get_int(OBJECT(dev), PC_DIMM_SIZE_PROP,
                                             NULL);
     int slot = object_property_get_int(OBJECT(dev), PC_DIMM_SLOT_PROP,
@@ -314,7 +312,8 @@  nvdimm_build_structure_memdev(GArray *structures, DeviceState *dev)
 
     /* The memory region on the device. */
     nfit_memdev->region_len = cpu_to_le64(size);
-    nfit_memdev->region_dpa = cpu_to_le64(addr);
+    /* The device address starts from 0. */
+    nfit_memdev->region_dpa = cpu_to_le64(0);
 
     /* Only one interleave for PMEM. */
     nfit_memdev->interleave_ways = cpu_to_le16(1);