[v3,2/3] ACPI/table: Print MADT Wake table information

Message ID 20210426023941.729334-3-sathyanarayanan.kuppuswamy@linux.intel.com
State New
Headers show
Series
  • Add multiprocessor wake-up support
Related show

Commit Message

Kuppuswamy, Sathyanarayanan April 26, 2021, 2:39 a.m.
When MADT is parsed, print MADT Wake table information as
debug message. It will be useful to debug CPU boot issues
related to MADT wake table.

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
---
 drivers/acpi/tables.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Patch

diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 9d581045acff..206df4ad8b2b 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -207,6 +207,17 @@  void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
 		}
 		break;
 
+	case ACPI_MADT_TYPE_MULTIPROC_WAKEUP:
+		{
+			struct acpi_madt_multiproc_wakeup *p;
+
+			p = (struct acpi_madt_multiproc_wakeup *) header;
+
+			pr_debug("MP Wake (Mailbox version[%d] base_address[%llx])\n",
+				 p->mailbox_version, p->base_address);
+		}
+		break;
+
 	default:
 		pr_warn("Found unsupported MADT entry (type = 0x%x)\n",
 			header->type);